G106 FLOW PATTERN AND VOID FRACTION DISTRIBUTION OF GAS-LIQUID TWO-PHASE FLOW IN A PLATE HEAT EXCHANGER MEASURED BY NEUTRON RADIOGRAPHY(Heat pipe fundamental and application)
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概要
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In order to clarify the flow behavior of gas-liquid two-phase flow in plate heat exchanger used in air-conditioning system, flow behavior of adiabatic and boiling two-phase flows were visualized by a neutron radiography method. In the experiments under adiabatic condition, the air-water two-phase flows in an aluminum plate heat exchanger consisted of a single passage with grooves cut at an angle to the flow direction were visualized. In the boiling two-phase flow experiments, chlorofluorocarbon R141b was used as the working fluid. From the visualized images the two-dimensional distributions of void fraction were measured by some image processing techniques. As a result, it was shown that the liquid phase tended to flow straight and the phase distributions were strongly affected by the configuration at the inlet of heat exchanger.
- 一般社団法人日本機械学会の論文
- 2000-10-01
著者
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Fujii Terushige
Department Mechanical Of Engineering Kobe University
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Takenaka Nobuyuki
Department Mechanical Of Engineering Kobe University
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Asano Hitoshi
Department Of Mechanical Engineering Kobe University
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Maeda Norio
Department Of Mechanical Engineering Kobe University
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Maeda Norio
Department Of General Foods The Hokuren Federation Of Agriculture Corporation
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Asano Hitoshi
Department Of Applied Chemistry Faculty Of Engineering Gunma University
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TAKENAKA Nobuyuki
Department of Mechanical Engineering, Kobe University
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Maeda Norio
Department of Chemistry, Faculty of Science, Hokkaido University
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