Heat Transfer and Pressure Drop of a Supercritical Pressure Fluid Flowing in a Tube of Small Diameter
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概要
- 論文の詳細を見る
In relation to the development of a Supercritical pressure water Cooled Power Reactor (SCPR), experiments were performed on heat transfer and pressure drop of a supercritical pressure fluid flowing upward in a uniformly heated vertical smooth tube of a small diameter 4.4mm, using HCFC22 as a test fluid. Characteristics of the heat transfer were clarified for the small diameter tube, comparing with the data obtained previously with tubes of large diameter. General characteristics of the heat transfer were found to be similar to those in the tubes of large diameter. The effect of the tube diameter on the heat transfer was seen for a 'normal' heat transfer, but not for a 'deteriorated' heat transfer. The limit heat flux for the occurrence of deterioration in heat transfer becomes larger with the tube of smaller diameter. For the 'normal' heat transfer, the Watts and Chou correlation showed the best predicting performance. Frictional pressure drop becomes smaller than that for an isothermal flow in the region near the pseudocritical point, and this reduction was more remarkable in the 'deteriorated' heat transfer.
- 九州大学の論文
- 2003-12-19
著者
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Mori Hideo
Department of Internal Medicine
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YAMASHITA Tohru
Department of Applied Chemistry, Kyushu Institute of Technology
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Ohno Masaki
Dept. Of Mechanical Engineering Science Kyushu Univ.
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Yoshida Suguru
Dept. Of Mechanical Engineering Science Kyushu Univ.
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Yoshida Suguru
Faculty Of Engineering Kyushu University
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Yoshida S
Dept.of Mechanical Science And Eng. Graduate School Of Eng. Kyushu Univ.
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OHNO Masaki
Faculty of Engineering, Kyushu University
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Ohno Masaki
Faculty Of Applied Biological Sciences Gifu University
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Yamashita Tohru
Dept. Of Mechanical Engineering Science Kyushu Univ.
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Yamashita Tohru
Department Of Applied Chemistry Kyushu Institute Of Technology
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Mori Hideo
Department Of Electronic-mechanical Engineering Nagoya University
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Mori H
Dept.of Mechanical Science And Eng. Graduate School Of Eng. Kyushu Univ.
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Mori Hideo
Dept. Of Mechanical Engineering Science Kyushu Univ.
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Mori Hideo
Department Of Applied Physics Faculty Of Engineering University Of Tokyo:industrial Cathode Ray Tube
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