A Vapor-Liquid Equilibria Model for Hydrofluorocarbons and Their Binary Mixtures
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- LI Jin
- Department of System Design Engineering, Faculty of Science and Technology, Keio University
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- SATO Haruki
- Department of System Design Engineering, Faculty of Science and Technology, Keio University
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- YOKOZEKI Akimichi
- DuPont Fluoroproducts Laborator
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- WATANABE Koichi
- Department of System Design Engineering, Faculty of Science and Technology, Keio University
書誌事項
- タイトル別名
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- Vapor-Liquid Equilibria Model for Hydro
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説明
A novel thermodynamic model has been proposed so as to calculate the thermodynamic properties at the vapor-liquid coexistence of HFC (hydrofluorocarbon) refrigerants and their binary mixtures. This model has been developed by modifying the Patel-Teja equation, well-known cubic equation of state, for HFC refrigerants, R- 32, R-125, R-134a, and their binary mixtures for temperatures from 220 K to their critical temperatures. The developed model has features in calculating various thermodynamic properties with ease but accurately.<br>The calculated results on the vapor-liquid equilibrium (VLE) properties by the present model illustrate its superiority to the conventional cubic equations of state. A comparison of the proposed model with the so-called modified Benedict-Webb-Rubin (MBWR) model and the multi-term Helmholtz function model confirms equivalent effectiveness and accuracy by the present model and, therefore, it would be concluded that the proposed model is very powerful in various practical application in refrigeration industry.
収録刊行物
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- 日本冷凍空調学会論文集
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日本冷凍空調学会論文集 15 (2), 105-114, 1998
公益社団法人 日本冷凍空調学会
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詳細情報 詳細情報について
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- CRID
- 1390282679642957568
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- NII論文ID
- 130004565813
- 10002714427
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- NII書誌ID
- AA11125910
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- ISSN
- 2185789X
- 13444905
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- NDL書誌ID
- 4528560
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可