Effect of Pin Fin Arrangement on Endwall Heat Transfer
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概要
- 論文の詳細を見る
Experiments were conducted to measure the local heat transfer on an endwall with pin fin array. Heat transfer behavior was examined for the cases of a single pin, a single row, in-line and staggered arrays having six streamwise rows. Thermosensitive liquid crystal film was used to measure the local heat transfer coefficient on the endwall. Neural network was applied for the color-to-temperature transformation of the thermosensitive liquid crystal. Local heat transfer on the endwall having a single row of pin fin was affected by flow acceleration between the pin fins rather than the horseshoe vortex around the pin fin. Therefore, the average Nusselt number exhibited a good correlation to the Reynolds number Re_<nax>, which was based on the average velocity of the minimum flow area, regardless of the pin fin spacing. For in-line and staggered arrays, the average Nusselt numbers correlated with the Reynolds number Re_<max>decreased with the reduction of the pin fin spacing.
- 一般社団法人日本機械学会の論文
- 1997-02-15
著者
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MATSUMOTO Ryosuke
Department of Mechanical Engineering and Science, Graduate School of Engineering, Kyoto University
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Senda M
Department Of Mechanical Engineering Doshisha University
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Senda Mamoru
Department Of Mechanical Engineering Doshisha University
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Senda Mamoru
Department Of Mechanical And Systems Engineering Doshisha University
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Matsumoto Ryosuke
Department Of Mechanical Systems Engineering Kansai University
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KIKKAWA Shinzo
Department of Mechanical Engineering, Doshisha University
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Kikkawa S
Department Of Mechanical Engineering Doshisha University
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Kikkawa Shinzo
Department Of Mechanical Engineering Doshisha University
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