Hydrogen production through autothermal reforming (ATR) of hydrocarbons, such as methane, is one option of interest for mobile applications of hydrogen fuel cells. In the present study, a numerical investigation of catalytic autothermal reforming of methane in a surface microreactor is presented. A three-dimensional ATR reactor model is developed to simulate the flow and surface reactions in a microchannel of rectangular cross section with 340-μm sides, and total length of 8.5 mm. A four-reaction mechanism is implemented to simulate the surface reactions on a Ni/Al2O3 catalyst. The governing equations in the model include conservations of mass, momentum, energy and chemical species. A CFD code based on the finite-volume method has been developed in-house to solve the governing equations. Validation of the results against available data confirms the accuracy of the numerical approach. The simulation results reveal the dependency of hydrogen yield on space velocity (SV), air/fuel molar ratio (A/F), water/fuel molar ratio (W/F), and the gas feed temperature.
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ASME 2010 8th International Conference on Nanochannels, Microchannels, and Minichannels collocated with 3rd Joint US-European Fluids Engineering Summer Meeting
August 1–5, 2010
Montreal, Quebec, Canada
Conference Sponsors:
- Fluids Engineering Division
ISBN:
978-0-7918-5450-1
PROCEEDINGS PAPER
Parametric Study of an Autothermal Micro Surface Reactor for Hydrogen Production
M. H. Akbari,
M. H. Akbari
Shiraz University, Shiraz, Iran
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A. H. Sharafian Ardakani,
A. H. Sharafian Ardakani
Shiraz University, Shiraz, Iran
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M. Andisheh Tadbir
M. Andisheh Tadbir
Shiraz University, Shiraz, Iran
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M. H. Akbari
Shiraz University, Shiraz, Iran
A. H. Sharafian Ardakani
Shiraz University, Shiraz, Iran
M. Andisheh Tadbir
Shiraz University, Shiraz, Iran
Paper No:
FEDSM-ICNMM2010-30010, pp. 173-180; 8 pages
Published Online:
March 1, 2011
Citation
Akbari, MH, Sharafian Ardakani, AH, & Andisheh Tadbir, M. "Parametric Study of an Autothermal Micro Surface Reactor for Hydrogen Production." Proceedings of the ASME 2010 8th International Conference on Nanochannels, Microchannels, and Minichannels collocated with 3rd Joint US-European Fluids Engineering Summer Meeting. ASME 2010 8th International Conference on Nanochannels, Microchannels, and Minichannels: Parts A and B. Montreal, Quebec, Canada. August 1–5, 2010. pp. 173-180. ASME. https://doi.org/10.1115/FEDSM-ICNMM2010-30010
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