Study on Forced Convective Heat Transfer in Curved Pipes : 1st Report, Laminer Region (the Journal and the Transactions of the Japan Society of Mechanical Engineers)
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概要
- 論文の詳細を見る
The effect of curvature on heat transfer for fully developed laminer flow in curved pipes on the condition of constant wall temperature gradients is studied theoretically and experimentally. For the case of large Dean numbers R_6√<α/R>, a boundary layer is considered to exist along the pipe wall. The momentum and energy integral equations of the boundary layer are solved to the second approximation, and theoretical formulae for resistance coefficient and Nusselt number are obtained for a range of large Dean numbers. In order to ascertain the theoretical result, valocity and temperature distributions are measured in air flow through the pipe of radius ratio R/α=40 and of an inside diameter of 35.6mm. From this experiment it is assured that the boundary layer approximation may be applicable to our case. Nusselt numbers obtained by the experiment are in good agreement with the theoretical results.
- 一般社団法人日本機械学会の論文
著者
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Mori Yasuo
Department Of Synthetic Chemistry And Biological Chemistry Graduate School Of Engineering Kyoto Univ
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Nakayama Wataru
Department Of Mechanical Engineering Tokyo Institute Of Technology
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Mori Yasuo
Department Of Chemistry Faculty Of Science Kyoto University
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Mori Yasuo
Department Of Mechanical Engineering Tokyo Institute Of Technology
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