Development of Micro Catalytic Combustor with Pt/Al_2O_3 Thin Films(<Special Issue>Micro Mechanical Engineering)
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概要
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Catalytic combustion of butane in micro-scale conduits is investigated. Nano-porous alumina formed through anodic oxidation of aluminum is employed for the support of platinum catalyst. Combustion starts at 250℃, and a heat release rate up to 710 MW/m^3 is achieved in a 0.6mm ID tube. It is found that the surface reaction speed is a limiting factor for the overall reaction rate. A prototype silicon-based catalytic combustor is designed and fabricated using MEMS technologies. The Pt/alumina catalyst layer is successfully integrated onto a silicon microchannel, and a Pyrex lid is anodically bonded onto the Si substrate. It is found in a preliminary experiment that the MEMS combustor also works well, but gives somewhat smaller reaction rate due to the thinner catalytic layer.
- 一般社団法人日本機械学会の論文
- 2004-08-15
著者
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Kasagi Nobuhide
Department Of Mechanical Engineering The University Of Tokyo
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Suzuki Yuji
Department Of Public Health And Environmental Medicine Jikei University School Of Medicine
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Saito Joichi
Department Of Mechanical Engineering The University Of Tokyo
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Suzuki Yuji
Department Of Mechanical Engineering The University Of Tokyo
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Suzuki Yuji
Department Of Health Sciences School Of Health And Social Services Saitama Prefectural University
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Suzuki Yuji
Department Of Astronomy Kyoto University
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SUZUKI Yuji
Department of Agriculture, Graduate School of Agricultural Science, Tohoku University
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