Heat Transfer around Tubes in Staggered Tube Banks
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概要
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An experimental study was conducted to investigate the heat transfer and flow around tubes in staggered tube banks in a cross flow of air. The cylinder spacings examined C_y/d x C_x/d are 1.6 x 1.6 and 1.2 x 1.2 where C_x and C_y denote the cylinder spacings along and normal to the upstream uniform flow direction, and d the cylinder diameter, respectively. Main results obtained are as follows. In case of 1.2 x 1.2,the mean Nusselt numbers for the second and subsequent cylinders are almost equal to each other and much higher than that for the first cylinder. In case of 1.6 x 1.6,the third cylinder exhibits the maximum heat transfer rate. This may be due to the high velocity of an oncoming flow to that along with its high turbulence intensity.
- 一般社団法人日本機械学会の論文
著者
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Ota Terukazu
Department Of Machine Intelligence And Systems Engineering Tohoku University
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Aiba Shinya
Department Of Mechanical Engineering Akita Technical College
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Aiba Shinya
Department Of Mechanical Engineering Akita National College Of Technology
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TSUCHIDA Hajime
Akita Technical College
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