H103 PRESSURE DROP AND HEAT TRANSFER OF ARRAYS OF IN-LINE CIRCULAR BLOCKS ON THE WALL OF PARALLEL CHANNEL(Electronics cooling-1)
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概要
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Pressure drop and heat transfer of arrays of in-line circular blocks on the wall of parallel channel were measured. The diameter and height of the block were 40 mm and 18 mm, respectively. The pitches of the block were varied. The effects of the number of line and row and the other factors on the pressure loss and heat transfer were clarified. The coefficient of loss ζ, can be formulated and the recommended equation agrees with the experimental data within ± 10 %. The average heat transfer coefficient of the block of 1st row is lower than that of 2nd row. Those of 1st to 5th rows are nearly equal and can be approximately expressed by the following equation : Num = 0.118 (Re/β)^<0.75>, where β is the opening ratio.
- 一般社団法人日本機械学会の論文
- 2000-10-01
著者
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Nakamura Hajime
Department Of Biological Responses Institute For Virus Research Kyoto University
-
Igarashi Tamotsu
Department Of Mechanical Engineering National Defense Academy
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FUKUOKA Taketo
Department of Mechanical Engineering, The National Defense Academy
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Fukuoka Taketo
Department Of Mechanical Engineering The National Defense Academy
-
Igarashi Tamotsu
Department Of Mechanical Engineering
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