IGTC-28 Three-Dimensional Radiation Heat Transfer to High-Pressure Turbine Cooled-Nozzle Vanes of Aero-Engines(Session B-2 TURBINE COOLING AND HEAT TRANSFER II)
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概要
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Combined radiative and convective heat transfer is analyzed numerically in the combustion chamber of aero-engines by using the Monte Carlo method to obtain the heat-flux profiles onto the surfaces of high-pressure turbine nozzle vanes and rotor blades. The combustion chamber and the nozzle-vane cascade are supposed to be three-dimensional. The following results are obtained from the analyses: (1) radiative heat flux to the nozzle vanes is strongly affected by the absorption coefficient of the flame in the combustion chamber and the aspect ratio of the nozzle vane. The effect of the aspect ratio comes from the radiative cooling effect of lower-temperature liner plates which form the upper and lower boundaries of the combustion chamber, (2) when the emissivities of the nozzle vane or the liner plates are increased, the radiative heat flux to the pressure side of the nozzle vane is proportionally increased or decreased respectively.
- 公益社団法人日本ガスタービン学会の論文
著者
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Maya T.
Aero-Engine & Space Operation, Ishikawajima-Harima Heavy Industries Co.
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TANIGUCHI H.
Department of Maxillofacial Prosthetics, Graduate School, Tokyo Medical and Dental University
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Sasaki T.
Department Of Physics Yamagata University
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Kudo K.
Department Of Forensic Medicine Faculty Of Medicine Kyushu University
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Kudo K.
Department Of Mechanical Engineering Hokkaido University
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Obata M.
Aero-Engine and Space Operations, Ishikawajima-Harima Heavy Industries Co., Ltd.
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Sasaki T.
Department of Fisheries, Faculty of Agriculture, Tohoku University
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