E213 PRESSURE RECOVERY IN EVACUATED ENCLOSURE AND HEAT TRANSFER DURING TRANSINT COOLING OF HIGH TEMPERATURE SURFACE(Evaporation-2 and others)
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概要
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An experimental study has been done to elucidate an effect of various parameters on pressure recovery and heat transfer during cooling of a hot cylindrical block with an impinging water jet in an evacuated enclosure. The experiment simulates an ingress of coolant event in a fusion reactor. The experimental parameters of jet temperature, jet velocity, enclosure pressure and initial block temperature were varied. Heat flux and wall temperature were estimated from internal block temperatures with a numerical analysis of 2D-heat conduction. From the experimental results the cooling of a hot block and pressure recovery were categorized into four regions. Characteristics of rewetting against experimental parameters were quite different between vacuum and atmospheric pressures. Two simple pressure recovery models were compared with a pressure history.
- 一般社団法人日本機械学会の論文
- 2000-10-01
著者
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TANAKA Kenji
Department of Energy Conversion, Graduate School of Engineering Sciences, Kyushu University
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Monde Masanori
Department Of Mechanical Engineering Faculty Of Science And Engineering Saga University
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Monde Masanori
Department Of Mechanical Engineering
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MITSUTAKE Yuichi
Department of Mechanical Engineering, Saga University
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Mitsutake Yuichi
Department Of Mechanical Engineering Saga University
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Tanaka Kenji
Department Of Advanced Energy Engineering Science Interdisciplinary Graduate School Of Engineering S
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Tanaka Kenji
Department Of Mechanical Engineering Saga University
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