C241 水素-空気予混合気の流路内触媒燃焼特性に与える触媒表面粗さの影響(燃焼の高度化・多様化への試み2)

概要

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A catalytic combustion has remarkable advantages of the low temperature combustion without NO_x emission and the fuel-lean combustion beyond flammability limit. We had already carried out the numerical study on the catalytic combustion in a channel using detailed chemical kinetics with the smooth catalytic surface as an idealized model. However, an actual catalytic surface has roughness of around 0.1mm. So, we tried to examine the effect of surface roughness on catalytic combustion. This paper describes the results obtained by the numerical simulation for catalytic combustion of hydrogen-air mixtures on platinum catalyst. The details of catalytic combustion in a channel, such as temperature and mole fraction in the gas phase, surface temperature, heat release rate and coverage at the catalyst, were obtained.
一般社団法人日本機械学会の論文
2006-11-23