• PhD & DIC, in Mechanical Engineering (Internal Combustion Engines), Imperial College, University of London, 1995
• BSc (Eng), Mechanical Engineering (Internal Combustion Engines), Hefei University of Technology, Hefei, 1982
• MSc (Eng), in Mechanical Engineering (Internal Combustion Engines), Hefei University of Technology, Hefei, 1984

Professor Hongming Xu obtained BEng and MEng from Hefei University of Technology in 1982 and 1984 respectively where he worked subsequently as lecturer until 1990.

He obtained PhD from Imperial College London in 1995 and then worked there as Research Fellow and Senior Research Fellow. He moved to Jaguar Cars Ford Premier Automotive Group in 2000, where he was a Project Engineer (2000-2001), Team Leader (2002-2004), and Principal Technical Specialist until he joined the University of Birmingham in 2005 as Reader in Automotive Engineering.

He was appointed to the Chair of Energy and Automotive Engineering in 2009.

Teaching Programmes

• Automotive Design Process 
• Powertrain Engineering
• Turbomachinery and Complex Flow
• Sustainable Energy

Studentship available, applications welcome

Previous PhD students

• Sathaporn Chuepeng, “Quantitative Impact on Engine Performance and Emissions of High Proportion Biodiesel Blends and the Required Engine Control Strategy,” 2008 (joint supervision)
• Jacek Misztal, “Study of Homogenous Charge Compression Ignition (HCCI) Combustion and Emission Characteristics in a Multi-cylinder Engine,” 2009
• Rizalman Mamat, “Performance and Emission Characteristics of an Automotive Diesel Engine Using Biodiesel Fuel with the Influence of Air Intake Variables,” 2009
• Pawel Luszcz, “Combustion Diagnostics in Homogeneous Charge Compression Ignition Optical and Thermal Single Cylinder Engines,” 2009
• Marcin Frackowiak, “ Modelling and Diagnostic Study of Flow in an Optical Engine with Negative Valve Overlapping for Homogeneous Charge Compression Ignition,” 2009
• George Constandinides,  “Current Thermal Management and control of a Homogeneous Charge Compression Ignition (HCCI) Engine,”  2010/4
• Dale Turner, “ The Combustion And Emissions Performance Of Fuel Blends In Modern Combustion Systems,” 2010
• Jun Zhang, “Particle Matter Emission Control and Related Issues for Diesel Engines,” 2011
• Richie Daniel, “Combustion and Emissions Performance of Oxygenated Fuels in a Modern Spark ignition Engine,” 2012
• Yanfei Li, “Experimental Study on Spray and Combustion Characteristics of Diesel-like Fuels,” 2012
• He Ma, “Control Oriented Engine Modelling and Engine Multiple-objective Optimal Feedback Control,”  2013
• Fan Zhang, “Spray, Combustion and Emission Characteristics of dieseline Fuel,” 2013
• Haiying Li, “CFD Modelling Study of Spray and Combustion of Gasoline and DMF in Direct Gasoline Engines,” 2013
• Chongming Wang,  “Combustion and emissions of a direct injection gasoline engine using biofuels, “ 2014
• Changzhao Jiang,  “Optical Investigation on the spray and combustion characteristics of the furan bio-fuels,”  2014
• Dai Liu,  “Ccombustion and emissions using alternative fuels in an automotive diesel engine under steady and start conditions, “ 2014
• Powen Tu. "Numerical and experimental study of spray characteristics in the gasoline direct injection engine," 2015
• Chen Tan, “Model based Control for a Modern Automotive Diesel Engine,” 2015
• Daling Jing, “Experimental and numerical studies of fuel spray,” 2015
• Jianyi Tian, “Particulate emission characteristics of a light duty diesel engine under transient operation conditions,” 2015
• Thomas Lattimore, “Combustion and emissions of a direct injection gasoline engine using EGR,” 2015
• Ziman Wang, “Experimental study on diesel spray with single and multiple injection under room temperature and low temperature”, 2015 (joint supervision)
• Yasser Qahtani, “Particulate matter characterization and control in premixed compression ignition engines”, 2016
• Soheil Zeraati Rezaei, “Experimental investigation of a premixed compression ignition engine”, 2016
• Bo Wang – CFD Modelling of in-cylinder mixture,  with University of Nottingham, 2016
• Yizhou Jiang – Optical Diagnostics of Engine Spray and Combustion, with Tsinghua University, 2017
• Hengjie Guo – Spray Characterization, with Tsinghua University, 2017

Current PhD students

• Olalere Rafiu Kayode  - Advanced GD engines
• Tawfik Badawy – Optical Diagnostics of Flow and Combustion
• Yunfan Zhang – Model Based Diesel Engine Control
• Quan Zhou – Artificial Intelligence for Hybrid Electric Vehicles Development and Control
• Scott Cash – Hybrid Electric Vehicle Modelling and Control
• Ziyang Li – GDI Engine Optimization
• Aawishkar Dharmadhikari – Emission Modelling and Control
• Pankaj Golani - Multiple Injection Diesel Engines
• Lewis Parry – Diesel Engine Combustion with Dual Fuel and EGR
• Yuanzhuo Mei – Simulation of Particulates in Engine Exhaust
• Muneeb Shaukat – Optical Diagnostics of Engine Spray and Combustion

Post-Doctoral Research Fellows

Previous Research Fellows

• Dr Shaohua Zhong – DMF Combustion and Emissions in GDI Engines
• Dr He Ma – Real-time Model based Next Generation Engine Management System
• Dr Mohammadreza Anbari Attar - Combustion and Emissions High Efficient Engines with Boosting
• Dr Dhananjay Kumar Srivastava – GDI Engine Deposits
• Dr Guoxiang Lu – Low Pressure EGR Control Strategy Development
• Dr Xiuchao Bao - Laminar Flame of Alternative Fuel

Current Research Fellows

• Dr Chongming Wang – Combustion and emissions in DISI engine fuelled with biofuels (Marie Curie Fellow)
• Dr Manju - Engine combustion and after treatment (Marie Curie Fellow)
• Dr Wei Zhang – Hybrid electric vehicle energy management and control
• Dr Amrit B Sahu- Optical Diagnostics on engines

Professor Xu has research experience in flow/turbulence, diesel/gasoline spray, mixture preparation, ignition, premixed/diffusion combustion, new combustion mode (HCCI/PCCI/dieseline), emission formation/control, biodiesels, engine modelling, and operation control. He also has experience in turbomachinery/turbocharging, engine design and various advanced engine technologies.

Previous major projects as PI (2002-2011): £6 millions

• Controlled Homogeneous Autoignition Reformed Gas Engine (CHARGE), DTI, 2002 - 2004
• Controlled Homogeneous Autoignition Supercharged Engine (CHASE), DTI, 2004 - 2007
• Combustion, performance & emissions of biodiesels (COPE), JLR, 2007 - 2008
• Flex-diesel Engines with Sustainable Bio-fuels for Clean and Efficient On- and Off-Road Vehicle Engines (SERVE), TSB, 2007- 2010
• Impact of DMF on Engine Performance and Emissions as a New Generation of Sustainable Biofuel, EPSRC, 2008 - 2011
• HCCI engine technology research, JLR,  2007 - 2012
• Thermal Management, JLR, 2007- 2012
• Continuous Oxidation using NO2 Combustion for Exhaust Particulate Treatment (CONCEPT), JLR, Nov 2007-2009
• Combustion and emissions of ethanol in a direct injection engine, Shell, 2008 - 2009
• Combustion mechanism of furan fuels, Royal Society, 2011 - 2013

Ongoing major projects:   external funding  £2 millions

• Hybrid Vehicle Control and Models, 2015-2017
• Study of Particulate Matter Emissions, 2013 – 2018
• New Engine Technology, 2017-2019
• Study of Novel Biofuels from Biomass, 2016 – 2019

Current main research areas include: 

1. Modeling engine air flow and combustion
2. Fuel sprays and injection process
3. Optical studies of mixture preparation and combustion
4. Fuel properties and GDI technology
5. Biodiesels and flex fuels
6. New combustion mode (HCCI/PCCI)
7. Model based intelligent engine control
8. Transient engine performance of diesel and biodiesel blends at cold start

One of the special areas of research is advanced optical/laser diagnostics of flow and combustion, using laser Doppler anemometry (LDA), phase Doppler particle analyzer (PDPA), planar laser-induced fluorescence (PLIF), laser-induced incandescence (LII), particle image velocimetry (PIV) and ultra-high speed imaging techniques.

• Privilege Professor of Tsinghua University
• Visiting professor of Beijing Institute of Technology, Xihua University, Zhejiang Automotive Institute (Geely Motor Company)
• Member of SAE International Advanced Power Sources Committee, and Combustion and Fuels Committee
• Alternate member of executive Committee of International Energy Agency (IEA)Combustion Task Leaders (2012-16)

Publications (2000-2017)

Book Chapter:

• G. Tian, R. Daniel and H.M Xu, Chapter “DMF – A New Biofuel Candidate”, in Biofuel / Book 2, ISBN 978-953-307-478-8, 2011.
• Y. Li, G. Tian and H.M. Xu , “Application of Biodiesel in Automotive Diesel Engines” in Biodiesel - Feedstocks, Production and Applications, ISBN 978-953-51-0910-5, Hard cover, 487 pages, Publisher: InTech 2013.
• Zhi Wang, S Shuai, H.M.Xu “Internal Combustion Engine Simulation: State of the Art and Future Development,” Handbook of Clean Energy Systems, Wiley, 2014.
• H.M. Xu and C. Wang, “A Comprehensive Review of 2,5-Dimethylfuran as Biofuel Candidate” Biofuels from Lignocellulosic Biomass - Innovations beyond Bioethanol. Wiley, 2016, DOI: 10.1002/9783527685318.ch5.

Refereed Journal Papers

2018

• Y Li, H Guo, X Ma, Y Qi*, Z Wang, H Xu, S Shuai. Morphology analysis on multi-jet flash-boiling sprays under wide ambient pressures. Fuel, Vol. 211, 2018, page 38-47.

2017

• H Ma, Z Li, M Tayarani, G Lu, H Xu, X Yao. Computational Intelligence Non-model-based Calibration Approach for Internal Combustion Engines. ASME. J. Dyn. Sys., Meas., Control. 2017. doi:10.1115/1.4037835.
• S Zeraati-Rezaei, Y Al-Qahtani, H Xu. Investigation of hot-EGR and low pressure injection strategy for a Dieseline fuelled PCI engine. Fuel. Vol 207. 2017. Pages 165-178.
• C Jiang, H Xu, D Srivastava, X Ma, etc. al. Effect of fuel injector deposit on spray characteristics, gaseous emissions and particulate matter in a gasoline direct injection engine. Applied Energy. Vol 203, 2017, pages 390-402.
• D Jiang, F Zhang, Y Li, H Xu, S Shuai. Experimental investigation on the macroscopic and microscopic spray characteristics of dieseline fuel. Fuel. Vol 199, 2017 pages 478-487.
• H Guo, H Ding, Y Li, X Ma, Z Wang, H Xu, J Wang. Comparison of spray collapses at elevated ambient pressure and flash boiling conditions using multi-hole gasoline direct injector. Fuel. Vol 199, 2017, pages 125-134.
• Z Wang, H Guo, C Wang, H Xu, Y Li. Microscopic level study on the spray impingement process and characteristics. Applied Energy. Vol 197, 2017. pages 114-123.
• X Bao, Y Jiang, H Xu, C Wang, etc. al. Laminar flame characteristics of cyclopentanone at elevated temperatures. Applied Energy. Vol 195. 2017. Pages 671-680.
• Z Wang, T Badawy, B Wang, Y Jiang, H Xu. Experimental characterization of closely coupled split isooctane sprays under flash boiling conditions. Applied Energy. Vol 193. 2017. Pages 199-209.
• B Wang, T Badawy, P Hutchins, P Tu, H Xu, X Zhang. Numerical Investigation of the Deposit Effect on GDI Injector Nozzle Flow. Energy Procedia. Vol 105, 2017, pages 1671-1676.
• C Xu, A Zhong, X Li, C Wang, A Sahu, H Xu, T Lattimore, K Zhou. Laminar burning characteristics of upgraded biomass pyrolysis fuel derived from rice husk at elevated pressures and temperatures. Fuel, Volume 210, 2017, pages 249-261.
• C Wang, A Prakash, A Aradi, R Cracknell, H Xu. Significance of RON and MON to a modern DISI engine. Fuel. Volume 209, 2017, pages 172-183.
• Chongming Wang, Andreas Janssen, Arjun Prakash, Roger Cracknell, Hongming Xu, Splash blended ethanol in a spark ignition engine – Effect of RON, octane sensitivity and charge cooling, Fuel, Volume 196, 15 May 2017, Pages 21-31.
• Tawfik Badawy, XiuChao Bao, Hongming Xu, “Impact of spark plug gap on flame kernel propagation and engine performance”, Applied Energy, Volume 191, 1 April 2017, Pages 311-327.
• Chongming Wang, Soheil Zeraati-Rezaei, Liming Xiang, Hongming Xu, “Ethanol blends in spark ignition engines: RON, octane-added value, cooling effect, compression ratio, and potential engine efficiency gain”, Applied Energy, Volume 191, 1 April 2017, Pages 603-619.
• Chongming Wang, Jasprit Chahal, Andreas Janssen, Roger Cracknell, Hongming Xu, “Investigation of gasoline containing GTL naphtha in a spark ignition engine at full load conditions”, Fuel, Volume 194, 15 April 2017, page 436-447.
• Quan Zhou, Wei Zhang, Scott Cash, Oluremi Olatunbosun, Hongming Xu, Guoxiang Lu, “Intelligent sizing of a series hybrid electric power-train system based on Chaos-enhanced accelerated particle swarm optimization”, Applied Energy, Volume 189, 1 March 2017, Pages 588-601.
• Bo Wang, Tawfik Badawy, Yizhou Jiang, Hongming Xu, Akbar Ghafourian, Xinyu Zhang, “Investigation of deposit effect on multi-hole injector spray characteristics and air/fuel mixing process”, Fuel, Volume 191, 1 March 2017, Pages 10-24.
• Ziman Wang, Xiao Ma, Yizhou Jiang, Yanfei Li, Hongming Xu, “Influence of deposit on spray behaviour under flash boiling condition with the application of closely coupled split injection strategy”, Fuel, Volume 190, 15 February 2017, Pages 67-78.
• Yizhou Jiang, Hongming Xu, Xiao Ma, Xiuchao Bao, Bo Wang, Laminar burning characteristics of 2-MTHF compared with ethanol and isooctane, Fuel, Volume 190, 15 February 2017, Pages 10-20.
• Ziman Wang, Changzhao Jiang, Hongming Xu*, Tawfik Badawy, Bo Wang, Yizhou Jiang, “The influence of flash boiling conditions on spray characteristics with closely coupled split injection strategy”, Applied Energy, Volume 187, 1 February 2017, Pages 523-533.
• Hengjie Guo, Xiao ma, Yanfei Li, Shuai Liang, Zhi Wang, Hongming Xu, Jianxin Wang, “Effect of flash boiling on microscopic and macroscopic spray characteristics in optical GDI engine”, Fuel, 2017, Vol 190, pp:79-89.
• A.S. Ramadhas & Hongming Xu, “Intake air heating strategy to reduce cold-start emissions from diesel engines,” Biofuels, 2017, Pages 1-10.

2016

• T. Badawy, J. Williamson, and H. Xu, “Laminar burning characteristics of ethyl propionate, ethyl butyrate, ethyl acetate, gasoline and ethanol fuels,” Fuel, vol. 183, pp. 627–640, 2016.
• H. Ding, Z. Wang, Y. Li, H. Xu, and C. Zuo, “Initial dynamic development of fuel spray analysed by ultra-high speed imaging,” Fuel, vol. 169, pp. 99–110, 2016.
• A. O. Hasan, A. Abu-Jrai, A. H. Al-Muhtaseb, A. Tsolakis, and H. Xu, “HC, CO and NOx emissions reduction efficiency of a prototype catalyst in gasoline bi-mode SI/HCCI engine,” J. Environ. Chem. Eng., vol. 4, no. 2, pp. 2410–2416, 2016.
• T. Lattimore, J. M. Herreros, H. Xu, and S. Shuai, “Investigation of compression ratio and fuel effect on combustion and PM emissions in a DISI engine,” Fuel, vol. 169, pp. 68–78, 2016.
• Y. Li, H. Guo, X. Ma, J. Wang, and H. Xu, “Droplet dynamics of di spray from sub-atmospheric to elevated ambient pressure,” Fuel, vol. 179, pp. 25–35, 2016.
• Y. Li and H. Xu, “Experimental study of temporal evolution of initial stage diesel spray under varied conditions,” Fuel, vol. 171, pp. 44–53, 2016.
• X. Ma, Y. Li, Y. Qi, H. Xu, S. Shuai, and J. Wang, “Optical study of throttleless and EGR-controlled stoichiometric dual-fuel compression ignition combustion,” Fuel, vol. 182, pp. 272–283, 2016.
• Z. Wang, Y. Li, C. Wang, H. Xu, and M. L. Wyszynski, “Experimental study on primary breakup of diesel spray under cold start conditions,” Fuel, vol. 183, pp. 617–626, 2016.
• Ziman Wang, Yanfei Li, Chongming Wang, Hongming Xu, Miroslaw L. Wyszynski. "Near-nozzle microscopic characterization of diesel spray under cold start conditions with split injection strategy." Fuel 181 (2016): 366-375.
• Ahmad O. Hasan, Ahmad Abu-jrai, Ala’a H. Al-Muhtaseb, Athanasios Tsolakis, Hongming Xu, “Formaldehyde, acetaldehyde and other aldehyde emissions from HCCI/SI gasoline engine equipped with prototype catalyst,” Fuel, Volume 175, 1 July 2016, Pages 249-256.
• Ziman Wang, Hongming Xu, Changzhao Jiang, Miroslaw L. Wyszynski, “Experimental study on microscopic and macroscopic characteristics of diesel spray with split injection,” Fuel, Volume 174, 15 June 2016, Pages 140-152.
• Yanfei Li, Hongming Xu, “Experimental study of temporal evolution of initial stage diesel spray under varied conditions,” Fuel, Volume 171, 1 May 2016, Pages 44-53.
• Haichun Ding, Ziman Wang, Yanfei Li, Hongming Xu, Chengji Zuo, “Initial dynamic development of fuel spray analyzed by ultra high speed imaging,” Fuel, Volume 169, 1 April 2016, Pages 99-110.
• Ziman Wang, Changzhao Jiang, Hongming Xu, Miroslaw L. Wyszynski, “Macroscopic and microscopic characterization of diesel spray under room temperature and low temperature with split injection,” Fuel Processing Technology, Volume 142, February 2016, Pages 71-85.
• Thomas Lattimore, Chongming Wang, Hongming Xu, Miroslaw L. Wyszynski, Shijin Shuai, “Investigation of EGR Effect on Combustion and PM Emissions in a DISI Engine,” Applied Energy, Volume 161, 1 January 2016, Pages 256-267.
• Ziman Wang, Haichun Ding, Xiao Ma, Hongming Xu, Miroslaw L. Wyszynski, “Ultra-high speed imaging study of the diesel spray close to the injector tip at the initial opening stage with single injection,” Applied Energy, Volume 165, 1 March 2016, Pages 335-344.
• Xing Luo, Jihong Wang, Christopher Krupke, Hongming Xu, " Feasibility Study of a Scroll Expander for Recycling Low-Pressure Exhaust Gas Energy from a Vehicle Gasoline Engine System", Energies, 2016, 9, 231.
• Z. Wang, Y. Li, C. Wang, H. Xu, and M. L. Wyszynski, “Experimental study on primary breakup of diesel spray under cold start conditions,” Fuel, vol. 183, pp. 617–626, 2016.
• Z. Wang, Y. Li, C. Wang, H. Xu, and M. L. Wyszynski, “Near-nozzle microscopic characterization of diesel spray under cold start conditions with split injection strategy,” Fuel, vol. 181, pp. 366–375, 2016.

2015

• Z. Wang, H. Ding, M. L. Wyszynski, J. Tian, and H. Xu, “Experimental study on diesel fuel injection characteristics under cold start conditions with single and split injection strategies,” Fuel Process. Technol., vol. 131, pp. 213–222, 2015.
• B. Wang, Z. Wang, S. Shuai, and H. Xu, “Combustion and emission characteristics of Multiple Premixed Compression Ignition (MPCI) mode fuelled with different low octane gasolines,” Appl. Energy, vol. 160, pp. 769–776, 2015.
• Z. Wang, H. Ding, M. L. Wyszynski, J. Tian, and H. Xu, “Experimental study on diesel fuel injection characteristics under cold start conditions with single and split injection strategies,” Fuel Process. Technol., vol. 131, pp. 213–222, 2015.
• Z. Wang, M. L. Wyszynski, H. Xu, N. R. Abdullah, and J. Piaszyk, “Fuel injection and combustion study by the combination of mass flow rate and heat release rate with single and multiple injection strategies,” Fuel Process. Technol., vol. 132, pp. 118–132, 2015.
• H. Xu, C. Wang, X. Ma, A. K. Sarangi, A. Weall, and J. Krueger-Venus, “Fuel injector deposits in direct-injection spark-ignition engines,” Prog. Energy Combust. Sci., vol. 50, pp. 63–80, 2015.
• Y. Xu, Y. Peng, X. Zheng, K. D. Dearn, H. Xu, and X. Hu, “Synthesis and tribological studies of nanoparticle additives for pyrolysis bio-oil formulated as a diesel fuel,” Energy, vol. 83, pp. 80–88, 2015.
• H. Yang, Z. Wang, S. Shuai, J. Wang, H. Xu, and B. Wang, “Temporally and spatially distributed combustion in low-octane gasoline multiple premixed compression ignition mode,” Appl. Energy, vol. 150, pp. 150–160, 2015.
• A. Ramadhas, Dai Liu, J. Tian, H.M. Xu, “Key Factors Affecting the Cold Start of Diesel Engines”, International Journal of Green Energy, 2015.
• Z. Wang, M. Wyszynski, H.M.Xu, “Fuel injection and combustion study by the combination of mass flow rate and heat release rate with single and multiple injection strategies” , Fuel Processing Technology, volume 132, 2015, pages 118-132.
• Z. Wang, H. Ding, M. Wyszynski, H.M.Xu, etc. al “Experimental study on diesel fuel injection characteristics under cold start conditions with single and split injection strategies,” Fuel Processing Technology, volume 131, 2015 pages 213-222.

2014

• Ma, H.; Xu, H.; Wang, J.; Schnier, T. “Model-based Multi-objective Evolutionary Algorithm Optimization for HCCI Engine”, IEEE Transactions on Vehicular Technology, Issue: 99 ,2014 ISSN: 0018-9545 DOI:10.1109/TVT.2014.2362954.
• C. Wang, H.M.Xu, J.Herreros1, J. Wang, R. Cracknell, “Impact of Fuel and Injection System on Particle Emissions from a GDI Engine,” Applied Energy, Volume 132, 1 November 2014, Pages 178–191.
• Mohammad-H. Tayarani-N, Xin Yao*, Hongming Xu, “Meta-Heuristic Algorithms in Car Engine Design: A Literature Survey”, IEEE Transactions on Evolutionary Computation, volume 19, October 2015(5), pages 609-629
• Dearn, K., Xu, J., Ding, H., Xu, H. et al., "An Investigation into the Characteristics of DISI Injector Deposits Using Advanced Analytical Methods," SAE Int. J. Fuels Lubr. 7(3):771-782, 2014, doi:10.4271/2014-01-2722.
• Zhang, F., Zeraati Rezaei, S., Xu, H., and Shuai, S., "Experimental Investigation of Different Blends of Diesel and Gasoline (Dieseline) in a CI Engine," SAE Int. J. Engines 7(4):1920-1930, 2014, doi:10.4271/2014-01-2686.
• Tian, J., Xu, H., Arumugam Sakunthalai, R., Liu, D. et al., "Low Ambient Temperature Effects on a Modern Turbocharged Diesel engine running in a Driving Cycle," SAE Int. J. Fuels Lubr. 7(3):726-736, 2014, doi:10.4271/2014-01-2713. 
• Xiao Ma, Zhi Wang, Changzhao Jiang, Yizhou Jiang, Hongming Xu, Jianxin Wang. An optical study of in-cylinder CH2O and OH chemiluminescence in flame-induced reaction front propagation using high speed imaging. Fuel, Volume 134, 15 October 2014, Pages 603-610.
• X.Ma, J Zhang HM Xu, Particulate Characteristics of a Light Duty Diesel Engine with Alternative Fuel Blends”, Proc. IMechE, Part D: Journal of Automobile Engineering, volume 228, 2014(13), pages 1516-1529.
• Ma, X., Zheng, L., Li, Y., Wang, Z. Xu, H.M., "High Speed Imaging Study on the Spray Characteristics of Dieseline at Elevated Temperatures and Back Pressures," SAE Int. J. Fuels Lubr. 7(1):159-166, 2014, doi:10.4271/2014-01-1415.
• Yufu Xu, XiaojingZhen, Xianguo Hu, Karl D.Dearn, Hongming Xu, Effect of catalytic esterification on the friction and wear performance of bio-oil, Wear, 311(2014)93–100.
• Wang, Chongming; Xu, Hongming; Herreros, Jose; Lattimore, Thomas; Shuai, Fuel effect on Particulate Matter Composition and Soot Oxidation in a DISI Engine, Energy & Fuels, 2014, 28 (3), pp 2003–2012, DOI: 10.1021/ef402234z.
• X. Ma H.M. Xu, Ultra-High Speed Imaging and OH-LIF Study of DMF and MF, Combustion in a DISI Optical Engine, Applied Energy, Volume 122, 1 June 2014, Pages 247–260.
• L. Wei, L. Tong, J. Xu, Z. Wang, H. Jin, M. Yao, Z. Zheng, H. Li, and H.M. Xu*, “Primary Combustion Intermediates in Low-pressure Premixed Laminar 2,5-Dimethylfuran/Oxygen/Argon Flames,” Combustion Science and Technology, Combustion Science and Technology, Volume 186, Issue 3, pages 355-376,2014 , DOI:10.1080/00102202.2013.857666.
• X. Ma, C Jiang; H,.M.Xu*, H. Ding; S. Shuai, "Laminar burning characteristics of 2-methylfuran and isooctane blend fuels", Fuel, Volume 116, 15 January 2014, Pages 281–291.
• X. Ma, F. Zhang, H.M. Xu*, S. Shuai, “Throttleless and EGR-controlled Stoichiometric Combustion in a Diesel-Gasoline Dual-fuel Compression Ignition Engine,” Fuel, , Volume 115 – Jan 1, 2014. Pages 765-777.

2013

• Xiao Ma, Changzhao Jiang, Hongming Xu *, Shijin Shuai, and Haichun Ding Laminar Burning Characteristics of 2-Methylfuran Compared with 2,5-Dimethylfuran and Isooctane, Energy & Fuels, 2013, 27 (10), pp 6212–6221.
• Yang, Hongqiang; Shuai, Shijin; Wang, Zhi; Performance of straight-run naphtha single-and two-stage combustion modes from low to high load, INTERNATIONAL JOURNAL OF ENGINE RESEARCH v: 14 - 5 pp: 469-478, OCT 2013.
• E. Hu, X. Hu, T. Liu, R. Song, K. Dearn, H.M. Xu, “Effect of TiF3 catalyst on the tribological properties of carbon black-contaminated engine oils,” Wear, Vol. 305, Issues 1–2, 30 July 2013, pp.166–176.
• R. Daniel, H.M. Xu*, C. Wang, G. Tian and D. Richardson, “Gaseous and Particulate Matter Emissions of Oxygenated Fuel Blends using Dual-Injection compared to Direct-Injection in a SI Engine”, Applied Energy, Volume 105, May 2013, Pages 252–261.
• S. Rezaeia, F.Zhang, H.M. Xu*, A. Ghafouriana, J. Herreros, S. Shuai, “Investigation of two-stage split-injection strategies for a Dieseline fuelled PPCI engine,” Fuel, Volume 107, pp 299-308, May 2013.
• J. Zhang, X. Ma, H.M. Xu*, P. Price, and S. Shuai, “Non-volatile particle characteristics of a light-duty diesel engine with pilot injections and exhaust gas recirculation Proc.IMechE, Part D: J. of Automobile Engineering 0954407013480454, March 25, 2013 as doi:10.1177/0954407013480454.
• Tian, J., Xu*, H., Ghafourian, A., Liu, D. et al., "Transient Emissions Characteristics of a Turbocharged Engine Fuelled by Biodiesel Blends," SAE Int. J. Fuels Lubr. 6(2):2013, doi:10.4271/2013-01-1302.
• Tan, C., Xu*, H., Shuai, S., Ghafourian, A. et al., "Investigation on Transient Emissions of a Turbocharged Diesel Engine Fuelled by HVO Blends," SAE Int. J. Engines 6(2):2013, doi:10.4271/2013-01-1307.
• Liu, D., Xu*, H., Tian, J., Tan, C. et al., "Cold and Warm Start Characteristics using HVO and RME Blends in a V6 Diesel Engine," SAE Int. J. Fuels Lubr. 6(2):2013, doi:10.4271/2013-01-1306.
• Chongming Wang, Hongming Xu*, Ritchie Daniel; Akbar Ghafourian, JoseM Herreros, Shijin Shuai, Xiao Ma, “Combustion Characteristics and Emissions of 2-Methylfuran Compared to 2,5-Dimethylfuran, Gasoline and Ethanol in a DISI Engine, “ Fuel, Volume 103, January 2013, Pages 200–211.
• H. Yang, S. Shuai, Z. Wang, J. Wang, H.M. Xu,” New premixed compression ignition concept for direct injection IC engines fueled with straight-run naphtha,” Energy Conversion and Management, Volume 68, April 2013, Pages 161–168.
• Yang H, Shuai S, Wang Z, Wang J, Xu H. Performance of straight-run naphtha single- and two-stage combustion modes from low to high load. International J of Engine Research 2013; 14(5): 469-478.
• R. Daniel, H.M. Xu*, C. Wang, G. Tian and D. Richardson, “Gaseous and Particulate Matter Emissions of Oxygenated Fuel Blends using Dual-Injection compared to Direct-Injection in a SI Engine”, Applied Energy, Volume 105, May 2013, Pages 252–261.
• Y. Yang, J.G. Brammer, M. Ouadi, J. Samanya, A. Hornung, H.M. Xu, Y. Li, "Characterisation of waste derived intermediate pyrolysis oils for use as diesel engine fuels," Fuel, Volume 103, January 2013, Pages 247–257.

2012

• R. Daniel, L. Wei, C. Wang, H.M. Xu* and M. L. Wyszynski, “Speciation of Hydrocarbon and Carbonyl Emissions of 2,5-Dimethylfuran in a DISI Engine,” Energy & Fuels, Energy Fuels, 2012, 26 (11), pp 6661–6668. DOI: 10.1021/ef301236f.
• L. Wei, Lixia; Z. Li, L. Tong, Z. Wang, H. Jin, M. Yao, Z. Zheng, C. Wang, H.M. Xu*, "Primary Combustion Intermediates in Lean and Rich Low-pressure Premixed Laminar 2-Methylfuran/Oxygen/Argon Flames," Energy Fuels, 2012, 26 (11), pp 6651–6660.
• H.M. Xu, “Present and Future of Premixed Compression Ignition Engines,” Journal of Automotive Safety and Energy, 2012, Vol. 3 Issue (3): 185-199. 
• Xianguo Hu, Karl Dearn, and Hongming Xu, “On the Fundamental Lubricity of 2, 5-Dimethylfuran as a Synthetic Engine Fuel”, Journal of Tribology International, TRIBINT-D-11-00306R2, 2012 Volume 55, November 2012, Pages 119–125.
• X. Wu, Q. Li, J. Fu, C. Tang, Z. Huang, R. Daniel, G. Tian, H.M. Xu, ” Laminar burning characteristics of 2,5-dimethylfuran and iso-octane blend at elevated temperatures and pressures,” Fuel, Volume 95, May 2012, Pages 234–240.
• Jihong Wang; Hao Sun; Hongming Xu Feasibility study on recovering exhaust energy from a vehicle engine system by a scroll expander Advanced Intelligent Mechatronics (AIM), 2012 IEEE/ASME International Conference on 11-14 July 2012.
• R. Daniel, L. Wei, C. Wang, H.M. Xu* and M. L. Wyszynski, “Speciation of Hydrocarbon and Carbonyl Emissions of 2,5-Dimethylfuran in a DISI Engine,” Energy & Fuels, Energy Fuels, 2012, 26 (11), pp 6661–6668. DOI: 10.1021/ef301236f.
• Eslami, F.; Wyszynski, M. L.; Tsolakis, A.; Xu, H.; Norouzi, S.; Dearn, K., Experimental investigation on lubricity of 2,5-dimethylfuran blends. Combustion Engines - Silniki Spalinowe, ISSN 0138-0346 2012, XLXI, (1/2012 (148)), 3-10.
• Ritchie Daniel, Hongming Xu*, Chongming Wang, Guohong Tian and Dave Richardson, ”Combustion Performance of 2,5-Dimethylfuran Blends using Dual-Injection compared to Direct-Injection in a SI Engine,” Applied Energy, Volume 98, Pages 59–68, 2012.
• Ritchie Daniel, Chongming Wang, Hongming Xu*, Guohong Tian, Dave Richardson. “Dual-Injection as a Knock Mitigation Strategy using pure Ethanol and Methanol”, SAE Paper 2012-01-1152, International Journal of Fuels and Lubricants, 2012.
• Enzhu Hu, Xianguo Hu, Xiangyang Wang, Yufu Xu, Karl Dearn, Hongming Xu, “On the Fundamental Lubricity of 2, 5-Dimethylfuran as a Synthetic Engine Fuel”, Journal of Tribology International, Volume 55, November 2012, Pages 119–125.
• Ritchie Daniel, Chongming Wang, Hongming Xu*, Guohong Tian. “Effects of Combustion Phasing, Injection Timing, Relative Air-Fuel Ratio and Variable Valve Timing on SI Engine Performance and Emissions using 2,5-Dimethylfuran”, SAE Paper 2012-01-1285, International Journal of Fuels and Lubricants, 2012.
• Wu, X., Lia, Q., Fua, J., Tang, C.,Huang, Z., Daniel, R., Tian, R. and Xu, H., Laminar Burning Characteristics of 2,5-Dimethylfuran and Iso-octane Blend at Elevated Temperatures and Pressures. Fuel, 2012. 95: p. 234-240.
• Ritchie Daniel, Guohong Tian, Hongming Xu*, Shijin Shuai, ”Ignition Timing Sensitivities of Oxygenated Biofuels Compared to Gasoline in a Direct-Injection SI Engine,” Fuel Volume 99, 2012, Pages 72–82, 2012.

2011

• Y Qian, C Zuo, J. Tan, and H..M Xu*, “Effect of intake hydrogen addition on performance and emission characteristics of a diesel engine with exhaust gas recirculation,” Proceedings of ImechE, Part C: Journal of Mechanical Engineering Science, August 2011 225: 1919-1925.
• Sathaporn Chuepeng, Hongming Xu*, Athanasios Tsolakis, Miroslaw Wyszynski, Philip Price, “Particulate Matter Size Distribution in the Exhaust Gas of a Modern Diesel Engine Fuelled with a Biodiesel Blend,” Biomass and Bioenergy, 35 (2011), pp. 4280-4289, 2011.07.017.
• P. Luszcz, H.M Xu*, M. Wyszynski, A. Tsolakis, X. Ma, “Imaging Studies of In-cylinder HCCI Combustion,” Frontiers in Energy, 5: 313-321, 2011.
• Hasan, A.O., P. Leung, A. Tsolakis, S.E. Golunski, H.M. Xu, M.L. Wyszynski, and S. Richardson, Effect of composite aftertreatment catalyst on alkane, alkene and monocyclic aromatic emissions from an HCCI/SI gasoline engine. Fuel, 2011. 90 p. 1457-1464.
• Fan Zhang, Hongming Xu*, and Gautam Kalghatgi, “Investigation into Light Duty Dieseline fuelled Partially-Premixed Compression Ignition Engine, “SAE Transactions, SAE 2011-01-1411.
• Xuesong Wu, Ritchie Daniel, Guohong Tian, Hongming Xu*, Zuohua Huang, Dave Richardson, “Dual-Injection: the Flexible, Bi-fuel Concept for Spark-Ignition Engines fuelled with various Gasoline and Biofuel blends, “ Applied Energy 88 (2011) 2305–2314, 2011.
• Dale Turner, Hongming Xu*, Roger F Cracknell, Vinod Natarajan and Xiangdong Chen, “Combustion Performance of Bio-Ethanol at Various Blend Ratios in a Gasoline Direct Injection Engine, “Fuel 90 (2011) 1999–2006 , 2011.
• H. Ma, H. M. Xu*, J Wang, “Real-time Control Oriented HCCI Engine Cycle-to-cycle Dynamic Modelling”, International Journal of Automation and Computing, ISSN: 1751-8520,CN: 11-5350/TP, 2011.
• Ritchie Daniel, Guohong Tian, Hongming Xu*, Miroslaw L. Wyszynski, Xuesong Wu, Zuohua Huang, “Effect of Spark Timing and Load on a DISI Engine fuelled with 2,5-Dimethylfuran,” Fuel, Volume 90, Issue 2, February 2011, Pages 449-458.
• J. Zhang, H.M. Xu*, G. Tian, F. Zhang, M.L. Wyszynski, ”The Particle Emissions Characteristics of a Light Duty Diesel Engine with 10% Alternative Fuel Blends,” SAE Intl. Journal of Fuels and Lubricants, 2011.

2010

• G Tian, R Daniel, H Li, H.M.Xu*, S. Shuai, P. Richards, “Laminar Burning Velocities of 2,5-Dimethylfuran Compared with Ethanol and Gasoline,” Energy Fuels, 2010, 24 (7), pp 3898–3905.
• S Zhong, R Daniel, H.M. Xu*, J.Zhang, M. Wyszynski, D. Turner, P. Richards, “Combustion and Emissions of 2,5-Dimethylfuran in a Direct Injection Spark-ignition Engine,” Energy & Fuels, 24 (5), pp 2891–2899, 20101.
• G. Tian, H. Li, H.M. Xu*, “Spray Characteristics study of DMF Using Phase Doppler Particle Analyzer, “ SAE International Journal of Passenger Cars- Mechanical Systems ,August ,2010 vol. 3 no. 1 948-958.
• N.R.Abdullah, M.L.Wyszynski, A.Tsolakis, R.Mamat, H.M.Xu, G.Tian, “Combined effects of pilot quantity, injection pressure and dwell periods on the combustion and emissions behaviour of a modern V6 diesel engine,” Journal of Archivum Combustions , ISSN 0208-4198, pp 481-495, Vol 30-2010-No.4, September 2010.

2009

• J Misztal, H.M. Xu, ML Wyszynski, P Price, R Stone and J Qiao, “Effect of Injection Timing on Gasoline HCCI Particulate Emissions,” 3. JER04409 F IMechE. International Journal of Engine Research , Vol. 10, 2009.
• S.Chuepeng, H.M. Xu, A. Tsolakis, M.L. Wyszynski, and J.C. Hartland, “Nano-particle Number from Biodiesel Blends Combustion in a Common Rail Fuel Injection System Diesel Engine Equipped with Exhaust Gas Recirculation,” Opole, 22-24 Paper No. PTNSS–2009–SC–076 PTNSS Combustion Engines, June 2009.
• D. Turner, G. Tian, H.M. Xu, M. L Wyszynski, E. Theodoridis, “An Experimental Study of Dieseline Combustion in a Direct Injection Engine,” SAE International, Homogeneous Charge Compression Ignition Engines, ISBN: 978-0-7680-2138-7, 2009.
• Potrzebowski, J. Misztal, H.M. Xu, M.L. Wyszynski and J. Qiao, “An Auto-ignition Combustion Model for HCCI Engine Cycle Simulations,” IMechE, Part D, Journal of Automobile Engineering, V., 10.1243/09544070JAUTO1005, 2009.
• J. Misztal, H.M. Xu, M. L. Wyszynski, A. Tsolakis, , Phil Price, Richard Stone, Jun Qiao, “Influence of Inlet Air Temperature on Gasoline HCCI Particulate Emissions,” Combustion Science and Technology, V. 181, Issue 5, 695 - 709, 2009.
• J. Misztal, H.M. Xu, M. L. Wyszynski, A. Tsolakis, J. Qiao, “Cylinder To Cylinder Variations in a V6 Gasoline Direct Injection HCCI Engine, “Journal of Engineering for Gas Turbines and Power, ASME, V. 131, Issue 4, 042801, 2009.
• N.R.Abdullah, R. Mamat, A.Tsolakis, M.L.Wyszynski, H.M. Xu, “Contributions of Injection Duration (dSOI) to the Engine Performance and Emissions in Multiple Injections V6 Diesel Engine Operating with a Variation of Injection Pressure,” Journal of KONES IC Engines, European Science Society of Powertrain and Transport Publication, 2009.
• N. Abdullah, R. Mamat, P. Rounce, M.L. Wyszynski, A. Tsolakis, H.M.Xu, G. Tian, “The effect of Injection Pressu re and Strategy in a Jaguar V6 Diesel engine,” Journal of KONES Powertrain and Transport, pp 9-22, Vol. 16, No 2, 2009.
• A.-F.M.Mahrous, A. Potrzebowski, M.L. Wyszynski, H.M. Xu, A.Tsolakis, and P. Luszcz, “Modelling Study into the Effects of Variable Valve Timing on the Gas Exchange Process and Performance of a 4-Valve DI Homogeneous Charge Compression Ignition (HCCI) Engine,” Energy Conversion and Management, p. 393-398, 50(2), 2009.

2008

• U. Elghawi, K. Theinnoi, S. Sitshebo, A. Tsolakis, M.L. Wyszynski, H.M. Xu. R.F. Cracknellb, R.H. Clarkb, A. Mayoufc, “GC-MS determination of low hydrocarbon species (C1–C6) from a diesel partial oxidation reformer,” Int. Journal of Hydrogen Energy, 33 (23) (2008) 7074 - 7083.
• G. Tian, Z. Wang, J. Wang, H.M. Xu, S. Shuai, ”Effects of Key Factors on the Engine Combustion Mode Switching Between HCCI and SI.”, Journal of Engineering for Gas Turbines and Power, ASME, GTP-07-1147, 2008.
• Mahrous, M. Wyszynski, H.M. Xu, A. Tsolakis, J. Qiao, “ Effect of Intake Valve Timings on In-Cylinder Charge Characteristics in a DI Engine Cylinder with Negative Valve Overlapping,” Variable Valve Optimization, 2008, ISBN: 978-0-7680-2016-8.
• S., Chuepeng, H.M., Xu, A., Tsolakis, M.L., Wyszynski, P., Price, R., Stone, J.C. Hartland, and Qiao, J., “Particulate emissions from a common rail fuel injection diesel engine with RME-based biodiesel blended fuelling using thermo-gravimetric analysis,” Renewable Fuels 2008, ISBN 978-0-7680-2011-3.
• U. Elghawi, M. Wyszynski, A. Tsolakis, H.M. Xu, J. Qiao, “Speciation and Quantification using GC-MS of Low Molecular Weight Hydrocarbons Including 1,3-Butadiene in Exhaust Gases from V6 Engine Operating in SI and HCCI Modes,” SAE International Journal of Fuels and Lubricants, pp1- 11, 2008.
• M. Frackowiak, H.M Xu, M.L. Wyszynski, J. Misztal, J Qiao, “The Effect of Exhaust Throttling on HCCI - Alternative Way to Control EGR and In-Cylinder Flow,” SAE International Journal of Fuels and Lubricants, pp1277- 1289, 2008.
• S.Chuepeng, K. Theinnoi, A. Tsolakis, H.M. Xu, M.L. Wyszynski, A.P.E. York, J.C. Hartland, and J. Qiao, “Investigation into Particulate Size Distributions in The Exhaust Gas of Diesel Engines Fuelled With Biodiesel Blends.” Journal of KONES Powertrain and Transport, Vol. 15, No. 3, pp. 75-82. ISSN 1231-4005.
• C. Zuo, Y. Qian, J. Tan, H.M. Xu , “Development and Bench-testing of a Common Rail System for Dimethyl Ether,” Proceedings of IMechE, Part C, Journal of Mechanical Engineering Science, Volume 222, 415-422, 3/2008.
• C. Zuo, Y. Qian, J. Tan, H.M. Xu, “An Experimental Study of Combustion and Emissions in a Spark Ignition Engine Fueled with Coal-Bed Gas,” Energy, 33, 455-46, 2008.

2007

• P. Price, R. Stone, J. Misztal, H.M Xu, M. Wyszynski. Wilson and J. Qiao, “Particulate Emissions from a Gasoline Homogeneous Charge Compression Ignition Engine, “ SAE Technical paper 2007-01-0209, Journal of Engines, SAE Transactions, pp 290 -303, 2007.
• A.M. Mahrous, M.L. Wyszynski, T. Wilson, H.M. Xu, “ CFD Simulation of In-cylinder Flows in a Motored HCCI Engine Cylinder with Variable Negative Valve Overlapping,” Proc IMechE, part D, Journal of Automotive Engineering, Vol. 221, 1295-1304, 2007.
• Y.Qian, C.Zuo, H.M Xu., J. Tan and Q. Teng, “Experimental Investigation of Using Ethanol-gasoline in Electronic Controlled Gasoline-injection Engines,” The HKIE Transactions, Vol 14 No 2，2007.6, p26-30，ISSN 1023-697X.
• S. Zhong M. L. Wyszynski, H.M. Xu, “Experimental Investigation into Negative Valve Overlap Mode of HCCI Operation Using Gasoline and Diesel Blended Fuels, “Journal of BIT, ISSN-1004-0579, 3, 2007.
• H.M. Xu, M. L. Wyszynski, T. Megaritis, D. Yap, T. Wilson, J. Qiao, S. Richardson , S. Golunski, S. Peucheret, “Research on Expansion of Operating Windows of Controlled Homogeneous Auto-ignition Engines,” International Journal of Engine Research, 8(JER1), 29-40, 2007.
• S. Zhong, G. Jin, Wyszynski and H.M. Xu, “Comparison of Single-zone and Multi-zone Combustion Model for HCCI Engines,” Internal Combustion Engine Engineering, ISSN1000-0925 (CN31-1255/TK), 2007.1, 2007 No.3 Vol.27.
• S Zhong , Hongyong Zhang , Guodong Jin, M.L. Wyszynski , H.M Xu, “Experimental Research on HCCI Using Gasoline and Diesel Blended Fuels,” Transactions of CSICE, ISSN 1000-0909(CN12-1086), 2007 No.1 Vol.25
• A Tsolakis, K. Theinnoi, M.L. Wyszynski, H.M. Xu, A. Megaritis, R. Cracknell, S. E. Golunski, and S.M. Peucheret, "Exhaust Gas Fuel Reforming for IC Engines Using Diesel Type Fuels,” JSAE 20077170/SAE 2007-01-2044, Journal of Fuels and Lubricants, SAE Transactions, pp 720 – 725, 2007.

2006

• X. Shi, B. Tang, H.M. Xu, “Computational Investigation of the Aerodynamics of Automotive Turbocharger Mixed-flow Turbines”, Journal of BIT, ISSN-1004-0579, 12, 2006.
• N. Jia, , J. Wang, K. Nuttall, J.L. Wei, H.M Xu, M. Wyszynski, J. Qiao, M. Richardson, “HCCI Engine Modelling For Real-Time Implantation and Control Development,” IEEE/ASME Transactions, MECHATRONICS, VOL. 12, NO. 6, December 2007.
• J. Misztal, M.L. Wyszynski, H.M Xu, A. Tsolakis, J. Qiao, and T. Wilson, Boosted HCCI Operation on Multi Cylinder V6 Engine,” Journal of KONES Internal Combustion Engines, 13, ISSN 1231- 4005.
• P. Luszcz, H.M Xu, M. Wyszynski, A. Tsolakis, M. Frackowiak, T. Wilson, and J. Qiao, An Investigation of the Presence of Uncontrolled Combustion Phenomenon in Spark Ignition Single Cylinder Optical Engine, “ Journal of KONES Internal Combustion Engines, 13, ISSN 1231- 4005.
• D.Yap, S. M. Peucheret, A. Megaritis, M. L. Wyszynski, H. M. Xu, “Natural Gas HCCI Engine Operation with Exhaust Gas Fuel Reforming”, Int. Journal of Hydrogen Energy, Vol. 31 (5), pp. 587-595, 2006.
• T. Wilson, H.M.Xu, S Richardson, M.L. Wyszynski A. Megaritis, "Optical Study of Flow and Combustion in an HCCI Engine with Negative Valve Overlap," Journal of Physics: Conference Series 45 (2006) 94-103.

2005

• S. Peucheret, M.L. Wyszyński, R.S. Lehrle, S. Golunski, and H.M. Xu," Use of Catalytic Reforming to aid Natural Gas HCCI Combustion in Engines: Experimental and Modeling Results of Open-loop Fuel Reforming," International Journal of Hydrogen Energy, pp 1583-1594, 30, 2005.
• M.L. Wyszynski, and H.M Xu, HCCI with selected standard and alternative fuels: challenges and solutions,’ Journal of KONES Internal Combustion Engines, ISSN 1231 - 4005, 2005. 12 (3-4), ISSN 1231 – 4005.
• D. Yap, J. Karlovsky, A. Megaritis, M.L. Wyszynski, H. M. Xu, “An Investigation into Propane Homogeneous Charge Compression Ignition (HCCI) Engine Operation with Residual Gas Trapping,” Fuel, 2005, Vol. 84, pp. 2372-2379.
• D.Yap, T.  Megaritis, M. Wyszynski and H.M. Xu, "Effect of Inlet valve Timing on Boosted Gasoline HCCI with Residual Gas Trapping," Journal of Engines, SAE Transactions, Vol. 4, pp. 1509-1517, Paper No. 2005-01-2136, 2005.

2004

• M.L.Wyszynski, A.Megaritis, J.Karlovsky, D.Yap, S.Peucheret, R.S. Lehrle, H.M.Xu, Golunski S, “Facilitation of HCCI Combustion of Biogas at Moderate Compression Ratios by Application of Fuel Reforming and Inlet Air Heating,” Journal of KONES Internal Combustion Engines, 2004, Vol.11, No. 3-4, ISSN 1231-4005.
• D.Yap, A.Megaritis, S.M. Peucheret, M.L. Wyszynski, and H. M. Xu, "Effect of hydrogen addition on natural gas HCCI combustion," Journal of Fuels and Lubricants, SAE Transactions, Vol. 4, pp. 1296-1305, Paper No. 2004-01-1972, 2004. 
• M.L.Wyszynski, A.Megaritis, J.Karlovsky, D.Yap, S.Peucheret, R.S. Lehrle, H.M.Xu, Golunski S, “Facilitation of HCCI Combustion of Biogas at Moderate Compression Ratios by Application of Fuel Reforming and Inlet Air Heating,” Journal of KONES Internal Combustion Engines, 2004, Vol.11, No. 3-4, ISSN 1231-4005.
• H.M Xu, S. Rudolph, Z. Liu, S. Wallace, and S. Richardson, M. L. Wyszynski, A. Megaritis: “An Investigation into the Operating Mode Transition in a HCCI Engine Using EGR Trapping, " Journal of Engines, SAE Transactions, Vol. 3, pp. 1287-1297, Paper No. 2004-01-1911, 2004.

2003

• H.M.Xu, A. Williams, H. Fu, S. Wallace, S. Richardson and M. Richardson," Operating Characteristics of a Homogeneous Charge Compression Ignition Engine with Cam Profile Switching - Simulation Study, " Journal of Engines, SAE Transactions, Vol. 112, Section 4 Journal of Fuels and Lubricants PP 1408-1420, SAE Technical Paper 2003-01-1859.
• H. M Xu, H. Fu, H. Williams and I. Shilling, "Modelling Study of Combustion and Gas Exchange in an HCCI Engine, " Journal of Engines, SAE Transactions, Vol. 111, PP 473-485, 2002.
• C. Arcoumanis, H. Flora, G. Kim, and H.M. Xu, “Injection Natural Gas Engine for Light Duty Applications,” IMechE International Conference Transactions, 2000-2, '21st Century Emissions Technology', pp121-146, ISBN 1860583229, Paper No. C588/013/2000, 2000.

Refereed SAE Technical Papers (2000-2016)

2016

• A. S. Ramadhas and H. Xu, “Improving Cold Start and Transient Performance of Automotive Diesel Engine at Low Ambient Temperatures.” SAE International, 2016.
• A. S. Ramadhas and H. Xu, “Influence of Coolant Temperature on Cold Start Performance of Diesel Passenger Car in Cold Environment.” SAE International, 2016.

2015

• B. Wang, T. Badawy, Y. Li, H. Xu, Y. Jiang, and X. Zhang, “Study of Near Nozzle Spray Characteristics of Ethanol under Different Saturation Ratios.” SAE International , 2016.
• P.-W. Tu et al., “Numerical Investigation of GDI Injector Nozzle Geometry on Spray Characteristics.” SAE International , 2015.
• X. Ma, H. Liu, Y. Li, Z. Wang, H. Xu, and J.-X. Wang, “An Experimental Study on the Effects of Split Injection in Stoichiometric Dual-Fuel Compression Ignition (SDCI) Combustion.” SAE International , 2015.
• D. Jing, S.-J. Shuai, Z. Wang, Y. Li, and H. Xu, “Development of a Turbulence-induced Breakup Model for Gasoline Spray Simulation.” SAE International , 2015.

2014

• Tan, C., Xu, H., Ma, H., Tian, J. et al., "A Study of Methodology for the Investigation of Engine Transient Performance," SAE Technical Paper 2014-01-2714, 2014, doi:10.4271/2014-01-2714.
• Jing, D., Xu, H., Shuai, S., Wang, Z. et al., "A Turbulence and Cavitation Induced Breakup Model for Fuel Spray Modeling," SAE Technical Paper 2014-01-2737, 2014, doi:10.4271/2014-01-2737.
• Wang, B., Shuai, S., Yang, H., Wang, Z. et al., "Experimental Study of Multiple Premixed Compression Ignition Engine Fueled with Heavy Naphtha for High Efficiency and Low Emissions," SAE Technical Paper 2014-01-2678, 2014, doi:10.4271/2014-01-2678.
• Arumugam Sakunthalai, R., Xu, H., Liu, D., Tian, J. et al., "Impact of Cold Ambient Conditions on Cold Start and Idle Emissions from Diesel Engines," SAE Technical Paper 2014-01-2715, 2014, doi:10.4271/2014-01-2715.
• Liu, D., Xu, H., Arumugam Sakunthalai, R., and Tian, J., "Investigation on the Performance of Diesel Oxidation Catalyst during Cold Start at L ow Temperature Conditions," SAE Technical Paper 2014-01-2712, 2014, doi:10.4271/2014-01-2712.
• Ma, H., Xu, H., Wang, J., and Tan, C., "Investigation on the Self-Stabilization Feature of HCCI Combustion," SAE Technical Paper 2014-01-2663, 2014, doi:10.4271/2014-01-2663.
• Li, Y., Guo, H., Wang, J., and Xu, H., "The Comparative Study of Gasoline and n-butanol on Spray Characteristics," SAE Technical Paper 2014-01-2754, 2014, doi:10.4271/2014-01-2754.
• Ma, X., Qi, Y., Wang, Z., Xu, H. M., "An Experimental Study of EGR-Controlled Stoichiometric Dual-fuel Compression Ignition (SDCI) Combustion," SAE Technical Paper 2014-01-1307, 2014.
• Li, Y., Guo, H., Ma, X., Wang, J. H.M. Xu., "Experimental Study of Effect of Nozzle Diameter on Near-Field Spray Behavior of Diesel Sprays in Non-Evaporating Conditions," SAE Technical Paper 2014-01-1405, 2014, doi:10.4271/2014-01-1405.
• Liu, D., Xu, H., and Arumugam Sakunthalai, R., "Effects of Biodiesel Feedstock on the Emissions from a Modern Light Duty Engine," SAE Technical Paper 2014-01-1394, 2014.
• Li, Y., Guo, H., Ma, X., Wang, J. H.M. Xu., "Experimental Study of Effect of Nozzle Diameter on Near-Field Spray Behavior of Diesel Sprays in Non-Evaporating Conditions," SAE Technical Paper 2014-01-1405, 2014, doi:10.4271/2014-01-1405.
• Tan, C., Xu, H., Ma, H., and Ghafourian, A., "Investigation of VVT and spark timing on combustion and particle emission from a GDI Engine during transient operation," SAE Technical Paper 2014-01-1370, 2014.
• Tu, P., Jiang, C., Ding, H., Li, C. et al., "Investigation on the Spray Characteristics of DMF- Isooctane Blends using PDPA," SAE Technical Paper 2014-01-1408, 2014, doi:10.4271/2014-01-1408.

2013

• Wang, B., Yang, H., Shuai, S., Wang, Z. He X, Xu. H.M., "Numerical Resolution of Multiple Premixed Compression Ignition (MPCI) Mode and Partially Premixed Compression Ignition (PPCI) Mode for Low Octane Gasoline," SAE Technical Paper 2013-01-2631, 2013, doi:10.4271/2013-01-2631.
• Liu, D., Ghafourian, A., and Xu, H., "Phenomenology of EGR in a Light Duty Diesel Engine Fuelled with Hydrogenated Vegetable Oil (HVO), Used Vegetable Oil Methyl Ester (UVOME) and Their Blends," SAE Technical Paper 2013-01-1688, 2013, doi:10.4271/2013-01-1688.
• Li, H., li, C., Ma, X., TU, P. et al., "Numerical Study of DMF and Gasoline Spray and Mixture Preparation in a GDI Engine," SAE Technical Paper 2013-01-1592, 2013, doi:10.4271/2013-01-1592.
• Wang, C., Xu, H., and Lattimore, T., "Impacts of Low-Level 2-Methylfuran Content in Gasoline on DISI Engine Combustion Behavior and Emissions," SAE Technical Paper 2013-01-1317, 2013, doi:10.4271/2013-01-1317.
• Fennell, D., Herreros, J., Tsolakis, A., Xu, H. et al., "GDI Engine Performance and Emissions with Reformed Exhaust Gas Recirculation (REGR)," SAE Technical Paper 2013-01-0537, 2013, doi:10.4271/2013-01-0537.

2012

• Xiao Ma, Changzhao Jiang, Hongming Xu, Steve Richardson. “In-cylinder Optical Study on Spray and Combustion of DMF and DMF-Gasoline Blend Fuel”, SAE Paper 2012-01-1235.
• Changzhao Jiang, Xiao Ma, Hongming Xu, Steve Richardson. “An Optical Study of DMF and Ethanol Combustion under Dual-Injection Strategy”, SAE Paper 2012-01-1237.
• Fan Zhang, Hongming Xu, Soheil Zeraati Rezaei, Gautam Kalghatgi, Shi-Jin Shuai. “Characteristics of Dieseline fuelled Partially-Premixed Compression Ignition Engine and the Comparison to Conventional Diesel”, SAE Paper 2012-01-1138. 
• Ritchie Daniel, Chongming Wang, Hongming Xu, Guohong Tian. “Split-Injection Strategies at Wide Open Throttle using Gasoline, Ethanol and 2,5-Dimethylfuran in a Direct-Injection SI Engine”, SAE Paper 2012-01-0403.
• Chongming Wang, Ritchie Daniel, Xiao Ma, Hongming Xu. “Comparison of Gasoline, Bio-ethanol and 2,5-Dimethylfuran in a DISI Engine using the Miller cycle with Late Inlet Valve Closure Timing”, SAE Paper 2012-01-1147.
• Chongming Wang; Ritchie Daniel, Hongming. “Research of the Atkinson Cycle in the Spark Ignition engine”, SAE Paper 2012-01-0390.
• He Ma, Hongming Xu, Thorsten Schnier, Jihong Wang, Guohong Tian. “A Real-time Control Oriented HCCI Combustion Model in 4-Stroke HCCI/SI GDI Engine and Model-based Fast Calibration”, SAE Paper 2012-01-1123.

2010

• Jun Zhang, Guohong Tian ,Hongming Xu, Fan Zhang, Ritchie Daniel, Two Closely Coupled DPFs as the After-treatment System, SAE Technical Paper 2010-01-1939.
• Jun Zhang, Fan Zhang, Guohong Tian, Hongming Xu, Yanfei Li ,Ritchie Daniel, Haiwen Song, Phil Price, “The Particle Emission Characteristics of a Light-Duty Diesel Engine by Using Different Pilot Injections,” SAE Technical Paper 2010-01-1959.
• Yanfei Li, Guohong Tian. Jun Zhang Hongming Xu, “Comparative Experimental Study on Microscopic Spray Characteristics of RME, GTL and Diesel,” SAE Technical Paper 2010-01-2284.
• J. Zhang, H.M. Xu, G. Tian, F. Zhang, M.L. Wyszynski, ”The Particle Emissions Characteristics of a Light Duty Diesel Engine with 10% Alternative Fuel Blends,” SAE Technical Paper 2010-01-1556.
• G. Tian, H. Li, H.M. Xu, “Spray Characteristics study of DMF Using Phase Doppler Particle Analyzer, “ SAE Technical Paper 2010-01-1505.

2009

• S. Zhong, D. Turner, J. Zhang, H.M. Xu, M. L Wyszynski, “An Innovative Biofuel Approach – 2,5-Dimethylfuran (DMF): Combustion Performance and Emissions in a GDI Engine,” SAE paper 2009-01-2824. presented at Powertrains, Fuels & Lubricants Meeting, San Antonio, Texas, USA, 2-4 Nov, 2009.
• R. Mamat, N. Rosli Abdullah, H.M. Xu, M.L. Wyszynski, A. Tsolakis, “Effect of Fuel Temperature on Performance and Emissions of a Common Rail Diesel Engine Operating with Rapeseed Methyl Ester (RME),” SAE Technical Paper 2009-01-1896
• N. Abdullah, A. Tsolakis, P. Rounce, M. Wyszynski, H.M.Xu, R. Mamat, "Effect of Injection Pressure with Split Injection in a V6 Diesel Engine,” SAE Technical Paper 2009-24-0049.

2008

• A.-F.M.Mahrous, A., Potrzebowski, M.L.,Wyszynski, H.M., Xu, A. Tsolakis, and P.Luszcz, ”A 1D Analysis into the Effects of Variable Valve Timing on HCCI Engine Parameters.” SAE Technical Paper 2008-01-2459.
• R. Mamat, H.M.Xu, M.L.Wyszynski, J.Qiao, S. Pierson, “CFD Analysis of Air Intake System with Negative Pressure on Intake Grill,” SAE Technical Paper 2008-01-1643.
• K. Theinnoi, P.Rounce, A.Tsolakis, M. L.Wyszynski, H.M..Xu, A.P.E.York, ”Activity of Prototype Catalysts on Exhaust Emissions from Biodiesel Fuelled Engines.” SAE Technical Paper 2008-01-2514, 2008.

2001-2007

• S Chuepeng, A Tsolakis, K. Theinnoi, H.M. Xu, M. Wyszynski, J. Qiao, “A Study of Quantitative Impact on Emissions of High Proportion RME-Based Biodiesel Blends, “ SAE Technical Paper 2007-01-0072.
• S. Ghrarabahghi, T. Wilson H.M. Xu M. Wyszynski, “Modelling and Experimental investigations of Supercharged V6 Gasoline HCCI Engine, “SAE Technical Paper 2006-1-0634.
• Y. Qian, C. Zuo, J. Tan and H.M. Xu, " Modeling of Combustion and Emissions in a Spark Ignition Engine Fueled with Coal-Bed Gas," SAE Technical Paper 2005-01-3804.
• S. Zhong M. Wyszynski and H.M. Xu, "Experimental Investigation into HCCI Combustion Using Gasoline and Diesel Blended Fuels, " SAE Technical Paper 2005-01-3733.
• Y. Qian, C. Zuo, J. Tan and H.M. Xu, “Study on an Electronically Controlled Common-Rail Injection System for Liquefied Alternative Fuels,” SAE Technical Paper 2005-01-2085.
• T. Wilson, H.M. Xu, S. Richardson, M. D.Yap and M. Wyszynski, "An Experimental Study of Flame Initiation and Development in an Optical HCCI Engine", SAE Technical Paper 2005-01-2129.
• T. Wilson, M. Haste, H.M. Xu, S. Richardson, M. D.Yap and A.Megaritis, "In-cylinder Flow with Negative valve Overlapping Characterised by PIV Measurement", SAE Technical Paper 2005-01-2131.
• H. M. Xu, M. Liu, S. Gharabaghi, S. Richardson, T. Megaritis and M. Wyszynski, "Modelling HCCI Engines: Comparison of Single-zone, Multi-zone and Test Data," SAE Technical Paper 2005-01-2123.
• D.Yap, T. Megaritis, M. Wyszynski and H.M. Xu, "Applying Boosting to Gasoline HCCI Operation with Residual Gas Trapping," SAE Technical Paper 2005-01-2121. 
• D.Yap, A. Megaritis, M.L. Wyszynski, H. M. Xu, "Effect of valve timing on residual gas trapping and load control for natural gas HCCI, SAE Technical Paper 2004-01-1973. 
• H. M. Xu, "Some Critical Issues in the Steady Flow Testing of Cylinder Heads," SAE Technical Paper 2001-01-1308.

Conference Publications

• Zhang, Hongming Xu, “PCCI combustion in a light duty diesel engine,” Towards Clean Diesel Engines, Shell Global Solutions, Chester, 8-9 June 2011.
• Rizalman Mamat, Nik Rosli Abdullah, Hongming Xu, Miroslaw L. Wyszynski, A.Tsolakis, “Effect of Boost Temperature on the Performance and Emissions of a Common Rail Diesel Engine Operating with Rapeseed Methyl Ester (RME), “ World Congress on Engineering, 30 June - 2 July 2010, London.
• N.R.Abdullah, R. Mamat, P. Rounce , A.Tsolakis, M.L.Wyszynski, H.M. Xu, G.Tian, “Optimisation of Premixed Combustion on V6 Diesel Engine Through The Variation of Pilot Injection Timings Combined with EGR,”UK-Malaysia Engineering Conference, April 2010R. Mamat, N.R.Abdullah, H.M. Xu, M.L.Wyszynski, A.Tsolakis, “Effect of Exhaust Gas Recirculation (EGR) with Multiple Injections on Combustion Pattern in a Common Rail Diesel Engine “, 12th EAEC European Automotive Congress 2009, Bratislava, Slovak Republic, 29th June - 1st July 2009.
• N.R.Abdullah, R. Mamat, P. Rounce , A.Tsolakis, M.L.Wyszynski, H.M. Xu, G.Tian, "Optimisation of Premixed Combustion on V6 Diesel Engine Through The Variation of Pilot Injection Timings Combined with EGR, " United Kingdom-Malaysia Engineering Conference, April 2010.
• R. Mamat, N.R.Abdullah, H.M. Xu, M.L.Wyszynski A.Tsolakis, “Effect of Air Intake Pressure Drop on Performance and Emissions of a Diesel Engine Operating with Biodiesel and Ultra Low Sulphur Diesel (ULSD)”, International Conference on Renewable Energy and Power Quality,” 15-17 April 2009, Valencia, Spain.
• N. Jia, J.L.Wei, J.Misztal, J.Wang, K.Nuttall, H.M. Xu, M.L.Wyszynski, “HCCI Engine modeling for control with parameter identification using GAs,” The Proceedings of Mechatronics 2008, Limerick, Ireland, June 2008.
• S., Chuepeng, K., Theinnoi, A., Tsolakis, H.M., Xu, M.L., Wyszynski, A.P.E., York, J.C., Hartland, and J. Qiao, “Investigation into particulate size distributions in the exhaust gas of diesel engines fuelled with biodiesel blends,” 34th International Congress on Powertrain and Transport Means KONES 2008. Warsaw, 7-10 September 2008. 
• A.-F.M.Mahrous, A., Potrzebowski, M.L., Wyszynski, H.M.,Xu, A. Tsolakis, and P.Luszcz, “Impact of Variable Intake-Valve-Timing on Homogeneous Charge Compression Ignition (HCCI) Engine Parameters.” in 13th International Conference on Applied Mechanics and Mechanical Engineering (AMME-13), May 25-27, Cairo, Egypt. 2008. 
• R. Mamat, S. Chuepeng, H.M. Xu, M.L.Wyszynski, “Effect of Exhaust Gas Temperature on Engine Performance and Emissions of a Conventional V6 Diesel Engine Operating on Biodiesel & Diesel Fuel with Exhaust Gas Recirculation (EGR),” UK-MEC2008, London, 14-15 July 2008.
• K., Theinnoi, A.P.E., York, A., Tsolakis, S., Chuepeng, M.L., Wyszynski, H.M. Xu, Golunski, S.E. and Cracknell, R.F, “ Diesel engine performance and emissions for Fischer-Tropsch diesel blends and diesel fuel: Environmental perspectives”. 3rd International Symposium on Environment. Athens, 22-25 May 2008.
• S.Chuepeng, A.Tsolakis, M.L.Wyszynski, H.M.Xu, A. Megaritis, and S.E. Golunski (2008), “On-board hydrogen-rich gas production from exhaust gas fuel reforming using biodiesel blended fuels,” 7th High Temperature Air Combustion and Gasification International Symposium. Phuket, 13-16 January 2008.
• Jia, N., J.L. Wei, J. Misztal, J.H. Wang, K. Nuttall, H.M Xu, and M.L. Wyszynski, “HCCI Engine Modelling for Control with Parameter Identification using GAs,” IEEE_ACC2008 American Control Conference. 
• J.Karlovsky, M.L. Wyszynski, H.M. Xu, A. Tsolakis, and J. Qiao, “Chemical Kinetics and Thermodynamic Modeling of a Fuel Reformer for on board Hydrogen Generation,” 2007 PTNSS Congress. 2007: 20-23 May, Krakow, Poland.
• P. Luszcz, , H.M. Xu, M.L. Wyszynski, A. Tsolakis, R. Stevens, and J. Qiao, “A characterization of a single and a double stage auto ignition process in Homogenous Charge Compression Ignition (HCCI) engine,” International Combustion Symposium, Institute of Combustion, Polish Section, . 2007: 02-05 September 2007, Pułtusk, Poland. 
• M. Ashur, J. Misztal, M.L. Wyszynski, A. Tsolakis, H.M. Xu, J. Qiao, and S. Golunski, “On board Exhaust Gas Reforming of Gasoline Using Integrated Reformer & TWC,” SAE Paper 2007-24-0078, ICE2007_SAE Conference, Naples, Italy, 16-20 Sept, 2007.
• A.M. Mahrous, M. Wyszynski, H.M. Xu, A. Tsolakis, J. Qiao, “A CFD Investigation into the Effects of Intake Valves Events on Airflow Characteristics in a Motored 4-Valve Engine Cylinder with Negative Valve Overlapping,” SAE 2007-24-0032, ICE2007_SAE Conference, Naples, Italy, 16-20 Sept, 2007.
• A., Tsolakis, A. Abu-Jrai, K. Theinnoi, M.L. Wyszynski, H.M. Xu, A. Megaritis, R. Cracknell, S.E. Golunski, and S.M. Peucheret, “Exhaust gas fuel reforming for IC Engines using diesel type fuels,” in 2007 JSAE/SAE International Fuels and Lubricants Meeting in Kyoto Japan, 2007.
• M.L., Wyszynski, M.M. Ashur, H.M. Xu, and A. Megaritis. “Fluidic Valve For A Combined Fuel Reformer/ Exhaust Catalytic Converter,” Proceedings of The International Conference on Vehicles Alternative Fuel Systems & Environmental Protection VAFSEP 2006. August 22-25, 2006. Dublin, Ireland: Dublin City University. ISBN: 1 872327 58 3.
• J. Qiao, S. Richardson, M. Richardson S. Golunski, S. Peucheret, M. L. Wyszynski, H.M. Xu, A. Tsolakis, J. Karlovsky, “ Fuel Reforming and Aftertreatment Technologies For Expanding the HCCI Engine Operating Boundary,” Invited JSAE Paper 20065470.
• J.L. Wei, N. Jia, J. Wang, K. Nuttall, H. Xu, M. Wyszynski, J. Qiao, M. Richardson, Study of HCCI engine model and control strategy, The Proceedings of Mechatronics Forum 2006, USA, 19-21, June, 2006.
• N. Jia, , J. Wang, K. Nuttall, J.L. Wei, H.M Xu, M. Wyszynski, J. Qiao, M. Richardson, “HCCI Engine Modelling for the Purpose of Control Development,” Eighteenth International Conference on Systems Engineering, Coventry, 5 - 7 September 2006.
• S. Zhong G. Jin, Wyszynski and H.M. Xu, “Promotive Effect of Diesel Fuel on Gasoline HCCI Combustion,’ SAE Technical Paper 2006-0-0633.
• A.M. Mahrous, M.L. Wyszynski, H.M. Xu and A. Tsolakis J. Qiao, “A CFD investigation into the effects of variable valve events on in-cylinder flow characteristics in a GDI engine,” FLUENT ACADEMIC USER CONFERENCE, Nottingham, UK, September 20, 2006.
• N., Jia, J. Wang, K. Nuttall, H. Xu, and M. Wyszynski, HCCI Engine Modelling for Control, in UnICEG Meeting 15 September 2005. 2005: TIC Birmingham.
• Jia, N., J. Wang, K. Nuttall, H. Xu, and M. Wyszynski, HCCI Engine Modelling for Control, in UnICEG Meeting 15 September 2005. 2005: TIC Birmingham. 
• H. M. Xu, T. Wilson, S. Wallace, S. Richardson, M. Wyszynski, T. Megaritis, D. Yap, S. Golunski, S. Peucheret, “ Progress in the FORESIGHT Vehicle Project CHASE,” Invited JSAE Paper 20055496.
• S. Ghrarabahghi, H.M. Xu M. Wyszynski, “Multi-zone Heat Release Study in an HCCI Engine, 2005 International Congress on Combustion Engines, 25-28 September, 2005, ul.Sarni Stok 93, Poland.
• M.L. Wyszynski, and H.M. Xu. HCCI with standard and alternative fuels at moderate compression ratios - challenges in research and vehicle engines. in PTNSS Congress, September 25-28. 2005. Szczyrk, Poland,
• S., Chuepeng, M.L. Wyszynski, and H.M, Xu,“ More biodiesel = less diesel: quantitative impact on engine performance and emissions of high proportion biodiesel blends and the required engine control strategies,” Current Research in Combustion: A Forum for Research Students and Young Researchers. Loughborough, 21 September 2005.
• Amieiro, S. Golunski, D. James, M.L. Wyszynski, A. Megaritis, S.Peucheret, H. M. Xu, "On-board Exhaust Gas Reforming for Improved Performance of Natural Gas HCCI Engines", 13th International Congress on Catalysis, Paris, 11-16 July 2004.
• H.M. Xu, M.L. Wyszynski and S. Golunski, "Foresight on Controlled Homogeneous Auto-ignition Engines," UK University IC Engines Group meeting, Nottingham University, 30 March 2004.
• H.M. Xu, T. Wilson, S. Wallace, S. Richardson, M. L. Wyszynski, A. Megaritis, D.Yap, S. Peucheret, A. Amieiro, S. Golunski and D. James, "Extension of Operating Range of HCCI Engines using Fuel Reforming Technology, " Invited JSAE Paper 20045468.
• M.Wyszynski, T. Megaritis, and H.M. Xu, Opportunities with Reformed Fuels for Future Engines, in UnICEG Meeting 16 September 2004, "Future Power Systems". 2004: Birmingham University, Birmingham, UK.

Invited Lectures and Presentations

• H.M. Xu， “Dieseline – A Simple Way for Future Engines，” 2th International Symposium of Clean Fuels for Future Engines， ”1-2 September 2014, Beijing.
• H.M. Xu , SCDI with Dosleline – a New Combustion Mode”, IEA 36th Task Leaders Meeting of the Conservation and Emissions Reduction in Combustion Implementing Agreement, June 9-13, 2014 at the Victoria Hotel in Stavanger, Norway.
• H.M. Xu , “ Optical Diagnostics with DMF Ethanol Compared with Gasoline,” IEA 36th Task Leaders Meeting of the Conservation and Emissions Reduction in Combustion Implementing Agreement, June 9-13, 2014 at the Victoria Hotel in Stavanger, Norway.
• H.M. Xu “Visualization for IC Engines’ Today and Tomorrow,” Keynote, NAACEE (North America Association Chinese Engine Engineers) Annual Conference, Detroit, 8 April 2014.
• H. M. Xu, “Dieseline and new Biofuels for Future Engines,” 5th International Symposium of Internal combustion Engines, Tianjin, 1-4 July 2013. 
• H.M.Xu, “Characteristics of particulate matter emissions of an automotive diesel engine under cold start and transient operating conditions,” Cambridge Particle Meetings, 14 May 2013.
• H.M. Xu, “New bio-fuels from biomass in furan series,” Intentional Energy Agency Ex-Co meeting and biofuels session, 23 April 2013, Paris.
• H.M. Xu, “Present and Future of Internal Combustion Engines,” inaugural lecture, University of Birmingham, 19 March 2013.
• H.M. Xu, “Some Characteristics of PM Emissions of Biofuels’, Cambridge PM Meetings, 18 May 2012.
• H.M. Xu, “How far Can We go with HC Fuels for IC Engines,” European Fuels Conference, Paris, 13-16 March 2012.
• H.M. Xu: “Facing the challenge: the UK Red Brick Universities”, Tsinghua University, 24 April 2011. 
• H.M. Xu , “DMF – Alternative to Ethanol?” UK-China Energy Conference, Beijing, 7-9 March 2011.
• H.M. Xu, “IC engines – How Much Can They Improve?” Combustion Seminar, IMechE, Birmingham AD, 25 January 2011.
• H.M. Xu, “Future of Internal Combustion Engines,“ UK-China Science Festival, Symposium on Clean Energy and Nanotechnology, 16-17 September 2010.
• H.M.Xu, “Advanced Engine Research,” Invited lectures in State Key of IC Engines of China, Summer School, 17-19 July 2010
• H.M.Xu, “Air Flow and Mixture Preparation of Automotive Engines, “, invited lectures in Zhejiang Automotive Institute (Geely Motor Company), 9-12 July 2010.
• H.M. Xu and Jun Zhang, “PM emissions of bio-fuels combustion,” Cambridge International particle meeting, 21 May 2010.
• H.M. Xu, P. Luszcz, M.L. Wyszynski, “Research into Fuel Properties for HCCI Combustion,” Intentional Energy Agency HCCI Task Leader Meetings, Lake Louise, Canada, 20-24 September 2009.
• H.M. Xu, D. Turner, P. Luszcz, M.L. Wyszynski, “Combustion of Dieseline in HCCI Engines,” Institute of Physics, Combustion Physics Group Meeting, Alternative Fuels and Combustion Strategies for Internal Combustion Engines, Cambridge, 18 September, 2008.
• H.M. Xu, D. Turner, P. Luszcz, M.L. Wyszynski, “Combustion and Emissions of Dieseline in a Direct Injection HCCI Engine,” Intentional Energy Agency HCCI Task Leader Meetings, Heidelberg, Germany, Capri, Italy, 15 September 2008. 
• H.M. Xu, “Trend in the Development of Advanced Engine Technologies, " Geely Motor Company, China’s largest independent vehicle manufacturer, Hanzhou, China, 13 August, 2008.
• H.M Xu, J. Misztal, M. Wyszynski, P. Price, R. Stone and J. Qiao, “Particulate Emissions of HCCI Engines, “ International Particulate Matters and Measurement Meeting, Cambridge University, 16 May 2008.
• H.M. Xu, J. Misztal, M.L. Wyszynski, D. Turner ,P. Price, R. Stone, Z. Wang, J. Wang, S. Shuai, and J. Qiao, “HCCI – How Clean Can it be?” 2007 SAE Intentional HCCI TOPTECH Symposium, 13 September 2007, Lund, Sweden.
• H.M. Xu, “Advanced Engine Combustion Technology Research, " Tsinghua University, China, 14 April 2007.
• H.M. Xu, “Advanced Engine Combustion Technology Research, " specially invited privilege “International Collaboration Visit” and lecture, Wuhan University of Technology, China, 17-22 November 2006.
• H.M. Xu, M. L. Wyszynski, “Dieseline/multi-fuel Combustion for HCCI Engines,” Intentional Energy Agency HCCI Task Leader Meetings, Heidelberg, Germany, 13-16 August 2006.
• H.M. Xu, M. Wyszynski, T. Megaritis, D. Yap, S. Golunski, S. Peucheret, J. Qiao, S. Richardson, “Fuel Reforming for Expanding the HCCI Engine Operating Window, “ International Lean Weight Vehicle Conference, UK Foresight Vehicle, Warwick University, 7-8 December 2005.
• H.M. Xu, S. Gharahbaghi, S. Richardson, M. Wyszynski, T. Megaritis, and D. Yap, Modelling Studies on Controlled Homogeneous Autoignition Engines,” UnICEG Meeting: "Engine Combustion and Combustion Systems", Caterpillar Engine Research, Peterborough, UK, 19 September 2005. 
• H.M. Xu, M.L. Wyszynski and S. Golunski, “The UK Foresight vehicle Research on HCCI engines – CHARGE and CHASE”, 2005 SAE International HCCI TOPTECH Symposium, 20 September 2005, Lund, Sweden.
• H.M. Xu, “HCCI – A Solution for the Future Engine Combustion?,” Panelist presentation, at PTNSS (Polish Society of Combustion engines) 2005, International Congress on Combustion Engines, ul.Sarni Stok 93, Poland, 26 September 2005, 
• H.M.Xu, “Chase HCCI Engine Technologies,” Lund University, Sweden, September 2005.
• H.M.Xu, “Fuel Reforming and boosting for expansion of HCCI Windows,” Chalmers University, Gothenburg, Sweden, September 2005.
• H.M. Xu, "Trend of Advanced Engine Technology," Jianghuai Motor Groups, China, 14 July 2005. 
• H.M. Xu, "HCCI- a New Generation of Engine Combustion System," Keynote presentation, Eastern China Conference of Internal Combustion Engines, Anqin, China, 2 July 2005. 
• H. M. Xu, T. Wilson, S. Wallace, S. Richardson, M. Wyszynski, T. Megaritis, D. Yap, S. Golunski, S. Peucheret, “ Progress in the FORESIGHT Vehicle Project CHASE,” JSAE Annual Congress, May 18-20, Yokohama, Japan, 2005.
• H.M. Xu, “Controlled Homogeneous Autoignition gas Engines,” DTI Foresight Vehicle LINK Project Completion Day, the International Manufacturing Centre, Warwick University, 27th January 2005.
• H.M. Xu, “Advanced Combustion Research,“ Jaguar Land Rover Technical Specialist Conferences, Gaydon, 2004.
• H.M.Xu, “Jaguar HCCI/CAI Gasoline Activities,” Volvo Cars, Gothenburg, Sweden, 12 December 2004.
• H.M. Xu, “Charge and Chase Research on HCCI,“ Mazda Motor Company, Hiroshima, Japan, May, 2004.
• H.M. Xu, T. Wilson, S. Wallace, S. Richardson, M. L. Wyszynski, A. Megaritis, D.Yap, S. Peucheret, A. Amieiro, S. Golunski and D. James, "Extension of Operating Range of HCCI Engines using Fuel Reforming Technology, " Japanese SAE Congress, Yokohama 11-19 May. 2004, Yokohama 11-19 May 2004.
• H.M. Xu, "Controlled Homogeneous Auto-ignition Engines," JLTDS Project Review with Chief Engineer, 11 May 2004.
• H.M. Xu, M.L. Wyszynski and S. Golunski, "Foresight on Controlled Homogeneous Auto-ignition Engines," UK University IC Engines Group meeting, Nottingham University, 30 March 2004.
• H.M. Xu, “Research on HCCI at Jaguar, “ Mazda Motor Company, Hiroshima, Japan, 15 May 2003.
• H M. Xu, H. Fu, A. Williams, "Achieving Controlled Auto-ignition (HCCI) with V6 Upgrade Hardware – Modelling Results," Ford Global Advanced Powretrain Research Video Conference, 11 October 2002.
• H.M. Xu, M.L. Wyszynski and S. Golunski, "Research and Development of HCCI/CAI Engines for the Next Generation of Vehicles," UK University IC Engines Group meeting, 19 September 2002, Leeds University.
• H.M. Xu, "Controlled Auto-ignition Engines, " Technology Review with JLR Director, 15 July 2002.
• H.M. Xu, "Controlled Auto-ignition - Present and Future, " JLR Advanced Powertrain Engineering, 23 May 2002. 
• H.M. Xu, "Foresight on Controlled on CAI/HCCI Engine Systems – Benefit, Challenges, Strategies and Future," UK University IC Engines Group meeting, 6 July 2001.