Dr Waldemar Bujalski

 

Senior Research Fellow

School of Chemical Engineering

Dr Waldemar Bujalski

Contact details

Telephone +44 (0) 121 414 5279

Email w.bujalski@bham.ac.uk

School or Chemical Engineering
University of Birmingham
Edgbaston
Birmingham
B15 2TT
UK

Research

  •  Fuel Cells and Hydrogen
  • Combine Heat and Power (CHP); PEM and SOFC based
  • Single and multi-phase mixing in stirred reactors
  • CFD simulations
  • Laser techniques for fluid mechanics
  • Particle Image Velocimetry (PIV)
  • Laser Doppler Velocimetry (LDV)
  • Fermentation technology including mycelia fermentations
  • Heat and mass transfer

Other activities

  • Member of American Institute of Chemical Engineers (since 1995)
  • Committee Member of the Fluid Mixing Processes Subject Group (Secretary from 1996 till 2007)

  • Vice President of the BUCU 

Publications

1. Hofinger J, Sharpe R, Bujalski W, Bakalis S, Assirelli M, Eaglesham A, et al. Micromixing in two-phase (g-l and s-l) systems in a stirred vessel. The Canadian Journal of Chemical Engineering. 2011;In Press, Accepted Manuscript.

2. Chiti F, Bakalis S, Bujalski W, Barigou M, Eaglesham A, Nienow AW. Using Positron Emission Particle Tracking (PEPT) to Study the Turbulent Flow in a Baffled Vessel Agitated by a Rushton Turbine: Improving Data Treatment and Validation. Chemical Engineering Research and Design. 2011;In Press, Accepted Manuscript.

3. Zhu H, Nienow AW, Bujalski W, Simmons MJH. Mixing studies in a model aerated bioreactor equipped with an up- or a down-pumping 'Elephant Ear' agitator: Power, hold-up and aerated flow field measurements. Chemical Engineering Research and Design. 2009;87(3):307-17.

4. Kimata M, Bujalski W, Nienow AW, Hasegawa M. Influence of he shape of small reaction vessel on liquid phase synthesis of silica particles. Journal of Chemical Engineering of Japan. 2009;42(11):826-30.

5. Dikwal CM, Bujalski W, Kendall K. The effect of temperature gradients on thermal cycling and isothermal ageing of micro-tubular solid oxide fuel cells. Journal of Power Sources. 2009;193(1):241-8.

6. Chaurasia PBL, Kendall K, Bujalski W, Du S, Pollet BG. Influence of temperature on V-I characteristics for solar power generation based on chemical method using fuel cell. Int J Chem Sci. 2009;7(3):1893-904.

7. Dickwal CM, Bujalski W, Kendall K. Characterization of the electrochemical performance of micro-tubular SOFC in partial reduction and oxidation conditions. Journal of Power Sources. 2008;181:267–73.

8. Assirelli M, Bujalski W, Eaglesham A, Nienow AW. An extension to the incorporation model of micromixing and its use in estimating local specific energy dissipation rates. Industrial & Engineering Chemistry Research. 2008;7:3460-9.

9. Assirelli M, Bujalski W, Eaglesham A, Nienow AW. Macro- and Micro-Mixing Studies in an Unbaffled Vessel Agitated by a Rushton Turbine. Chemical Engineering Science. 2008;63(1):35-46.

10. Simmons MJH, Zhu H, Bujalski W, Hewitt CJ, Nienow AW. Mixing in bioreactors using agitators with a large swept volume. Transactions Institution of Chemical Engineers, Part A. 2007;85((A5)):551-9.

11. Ghionzoli A, Bujalski W, Grenville RK, Nienow AW, Sharpe RW, Paglianti A. The effect of bottom roughness on the suspension of particles in stirred vessel. Transactions Institution of Chemical Engineers, Part A. 2007;85((A5)):685-90.

12. Bujalski W, Dickwal CM, Kendall K. Cycling of three solid oxide fuel cell types. Journal of Power Sources. 2007;171(1):96-100.

13. Bujalski W, Paragreen J, Reade G, Pyke S, Kendall K. Cycling studies of solid oxide fuel cells. Journal of Power Sources. 2006;157(2):745-9.

14. Takenaka K, Takahashi K, Bujalski W, Nienow AW, Paolini S, Paglianti A, et al. Mixing time for different diameters of impeller at a high solid concentration in agitated vessel. Journal of Chemical Engineering of Japan. 2005;38(5):309-15.

15. Assirelli M, Bujalski W, Eaglesham A, Nienow AW. Intensifying micromixing in a semi-batch reactor using a Rushton turbine. Chemical Engineering Science. 2005;60(8-9):2333-9.

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