Thermodynamic State Surface and Cycle Analysis for Refrigerant 22 + Refrigerant 114 System
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概要
- 論文の詳細を見る
Department of Applied Physics, The National Defense Academy / Nomura Securities Investment Trust Management Co. Ltd. / Ricoh Co. Ltd. / Department of Mechanical Engineering, Keio University / Department of Mechanical Engineering, Keio UniversityIn order to examine thermophysical properties and cycle analysis for a nonazeotropic mixture of the Refrigerant 22 (CHClF_2) + Refrigerant 114 (CClF_2CClF_2) system, an equation of state coupled with empirical mixing rules was formulated based on the available PVTx measurements taking thermodynamic consistency into consideration. The developed equation of state is expressed by the Helmholtz function as a function of temperature, density and composition, and is effective for a range of temperatures from 250 to 500K and of pressures up to 10MPa, which corresponds to the density range up to the critical value. With the aid of the proposed equation, the cycle analysis on the heat pump and refrigeration systems was theoretically carried out, and it became clear that the Refrigerant 22 + Refrigerant 114 system is promising for industrial heat pumps or air-conditioning and hot-water-supply heat pump systems. It was confirmed that the effect of change in composition on the theoretical coefficient of performance had the same behavior as that reported by experimental testing.
- 一般社団法人日本機械学会の論文
- 1992-02-15
著者
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Kagawa N
National Defense Acad. Kanagawa
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Kagawa Noboru
Department Of Mechanical Systems Engineering National Defense Academy
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Kagawa Noboru
Department Of Applied Physics The National Defense Academy
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UEMATSU Masahiko
Department of Mechanical Engineering, Keio University
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WATANABE Koichi
Department of Mechanical Engineering, Keio University
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IKEDA Hironao
Nomura Securities Investment Trust Management Co. Ltd.
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KAWANO Hiroshi
Ricoh Co. Ltd.
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WATANBE Koichi
Department of Mechanical Engineering, Keio University
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Watanbe Koichi
Department Of Mechanical Engineering Keio University
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Uematsu M
Keio Univ. Yokohama Jpn
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Uematsu Masahiko
Department Of Machanical Engineering Keio University
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Kawano H
Ricoh Co. Ltd.
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Watanabe Koichi
Department Of Mechanical Engineering Faculty Of Engineering Keio University.
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Watanabe Koichi
Department Of Materials Chemistry Faculty Of Engineering Gunma University
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WATANABE Koichi
Department of Integrated Biosciences, Graduate School of Frontier Sciences, The University of Tokyo:CREST, Japan Science and Technology Agency(JST)
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