The Proceedings of the Thermal Engineering Conference
Online ISSN : 2424-290X
2020
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Basic Study of Oxygen-Hydrogen Combustion Power Generation System
Kotaro TakehanaKen OkazakiTomohiro Nozaki
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Pages 0018-

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Abstract

This paper describes performance analysis of the oxygen-hydrogen combustion power generation system with respect to the effect of non-condensable gas, oxygen purity, and oxygen production energy. Residual oxygen and nitrogen concentrations at the combustor outlet by diluted H2O circulation are concentrated to 1.7 times higher compared to the case of the chemical reaction on oxygenhydrogen combustion when equivalence ratio is 0.9. A small amount of nitrogen (1% by volume) in purified oxygen is considered to result in the formation of NOx. Oxygen production energy slightly increases as the oxygen purity becomes higher from 95% to 99.6%. However, the energy of noncondensable gas removal decreases and the impact of NOx becomes smaller.

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© 2020 The Japan Society of Mechanical Engineers
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