On the Local Heat Release Rate in a Combustion Chamber of Gas Turbine

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概要

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• This paper deals with a theoretical analysis of one dimensional steady flow in a combustion chamber of gas turbine. The following assumptions were made : (1) The liquid fuel_spray and combustion gas stream have an equal velocity. (2) The law of combustion of single droplet is adopted for the combustion rate of fuel spray. (3) The combustion is not affected by the condition of combustion gas stream. (4) Both the air and the combustion gas are perfect gases. By using above four assumptions and the analysis which is analogous to Shapiro and Erickson's method^<(7)>, the total heat release rate, the local heat release rate, the temperature-and velocity-distribution in the direction of gas flow were calculated. In this study, it is found that the local heat release rate rapidly increases but the temperature and velocity of combustion gas do not increase so rapidly as the local heat release rate and these values decrease after they attained the maximum. And the local heat release rate obtained has a similar form to the assumption that was treated to analyze the pressure drop in the previous papers^<(3) (4)>.

• 一般社団法人日本機械学会の論文

著者

• Sato Takashi

  Faculty of Pharmacy and Pharmaceutical Sciences, Fukuyama University

• MATSUMOTO Ryuichi

  Faculty of Engineering, Kyoto University

• Michiyoshi Itaru

  Faculty Of Engineering Kyoto University

• Matsumoto Ryuichi

  Faculty Of Econoinformatics Himeji Dokkyo Univer-sity

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