Cycle Analysis of Micro Gas Turbine-Molten Carbonate Fuel Cell Hybrid System(<Special Issue>Experimental Mechanics in Heat and Fluid Flow)
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概要
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A hybrid system based on a micro gas turbine (μGT) and a high-temperature fuel cell, i.e., molten carbonate fuel cell (MCFC) or solid oxide fuel cell (SOFC), is expected to achieve a much higher efficiency than conventional distributed power generation systems. In this study, a cycle analysis method and the performance evaluation of a μGT-MCFC hybrid system, of which the power output is 30kW, are investigated to clarify its feasibility. We developed a general design strategy in which a low fuel input to a combustor and higher MCFC operating temperature result in a high power generation efficiency. A high recuperator temperature effectiveness and a moderate steam-carbon ratio are the requirements for obtaining a high material strength in a turbine. In addition, by employing a combustor for complete oxidation of MCFC effluents without additional fuel input, i.e., a catalytic combustor, the power generation efficiency of a μGT-MCFC is achieved at over 60% (LHV).
- 一般社団法人日本機械学会の論文
- 2005-02-15
著者
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KASAGI Nobuhide
Department of Mechanical Engineering, The University of Tokyo
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Kasagi Nobuhide
Department Of Mechanical Engineering The University Of Tokyo
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Kasagi Nobuhide
Department Of Mechanical Engineering. The University Of Tokyo
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KIMIJIMA Shinji
Department of Machinery and Control Systems, Shibaura Institute of Technology
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Kimijima Shinji
Department Of Machinery And Control Systems Shibaura Institute Of Technology
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