Jeon, S.W. Lee, K.J. Cho, Y.H. Moon, D.J. 2024-01-20T14:03:50Z 2024-01-20T14:03:50Z 2021-08-31 2012-09 1226-4881 https://pubs.kist.re.kr/handle/201004/128957 A numerical study of a microchannel steam methane reforming reactor has been performed to understand the characteristics of heat and mass transfer. The integration of Rh-catalyzed steam methane reforming and Pt-catalyzed methane combustion has been simulated. The reaction rates for chemical reactions have been incorporated into the simulation. This study investigated the effect of contact time, flow pattern (parallel or counter), and channel size on the reforming performance and temperature distribution. The parallel and counter flow have opposite temperature distribution, and they show a different type of reaction rate and species mole fraction. As the contact time decreases and channel size increases, mass transfer between the catalyst layer and the flow is limited, and the reforming performance is decreased. ？ 2012 The Korean Society of Mechanical Engineers. Korean 대한기계학회 마이크로채널 메탄 수증기 개질 반응기의 열 및 물질 전달 특성에 관한 수치해석 연구 Numerical study of heat and mass transfer characteristics in microchannel steam methane reforming reactor Article 10.3795/KSME-B.2012.36.9.885 1 Transactions of the KSME, B, v.36, no.9, pp.885 - 894 Transactions of the KSME, B 36 9 885 894 N scopus kci ART001688327 2-s2.0-84866406867 Article Catalyst layers Channel sizes Contact time Counter-flows Heat and mass transfer Methane combustion Methane reforming Micro channel reactors Mole fraction Numerical studies Pt-catalyzed Catalysis Computational fluid dynamics Heat transfer Hydrogen production Mass transfer Methane Microchannels Platinum Reaction rates Rhodium Steam reforming Temperature distribution Steam Insectivora CFD Hydrogen productions Microchannel reactor Steam methane reforming