Catalytic combustion of hydrogen-air boundary layers involves the adsorption of hydrogen and oxygen into a platinum-coated surface, chemical reactions of the adsorbed species, and the desorption of the resulting products. Re-adsorption of some produced gases is also possible. This paper presents numerical computations of laminar momentum transfer, heat transfer, and chemical reactions in rectangular channel flows of hydrogen-air mixtures. Chemical reactions are included in the gas phase as well as on the solid platinum surfaces. In the gas phase, eight species are involved in 26 elementary reactions. On the platinum hot surfaces, additional surface species are included, which are involved in 16 additional surface chemical reactions. The platinum surface temperature distribution is prespecified, while the properties of the reacting flow are computed. The results show very good agreement with the measured data.
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e-mail: kaseb@pathways.edu.eg
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Research Papers
Numerical Predictions of Hydrogen-Air Rectangular Channel Flows Augmented by Catalytic Surface Reactions
Mohsen M. Abou-Ellail,
Mohsen M. Abou-Ellail
Mechanical Engineering Department,
e-mail: abouellail@hotmail.com
University of Wisconsin-Milwaukee
, Milwaukee, WI 53201
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S. Kaseb
S. Kaseb
Mechanical Engineering Department,
e-mail: kaseb@pathways.edu.eg
Cairo University
, Cairo 12613, Egypt
Search for other works by this author on:
Mohsen M. Abou-Ellail
Mechanical Engineering Department,
University of Wisconsin-Milwaukee
, Milwaukee, WI 53201e-mail: abouellail@hotmail.com
S. Kaseb
Mechanical Engineering Department,
Cairo University
, Cairo 12613, Egypt
e-mail: kaseb@pathways.edu.eg
J. Heat Transfer. Apr 2012, 134(4): 041201 (10 pages)
Published Online: February 13, 2012
Article history
Received:
October 29, 2010
Revised:
September 24, 2011
Online:
February 13, 2012
Published:
February 13, 2012
Citation
Amano, R. S., Abou-Ellail, M. M., and Kaseb, S. (February 13, 2012). "Numerical Predictions of Hydrogen-Air Rectangular Channel Flows Augmented by Catalytic Surface Reactions." ASME. J. Heat Transfer. April 2012; 134(4): 041201. https://doi.org/10.1115/1.4005202
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