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替代工质R22/R152a冰箱毛细管的优化 被引量:1
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作者 阴建民 刘海峰 何茂刚 《制冷学报》 CAS CSCD 1995年第2期1-6,共6页
本文按冰箱实际运行工况,提出了冰箱毛细管的优化方法;并对工质R12、混合工质R22/R152a的冰箱毛细管进行了优化;得出了一定工况下R12、R22/R152a冰箱毛细管系统的毛细管与回气管的最佳长度分配;同时对毛细... 本文按冰箱实际运行工况,提出了冰箱毛细管的优化方法;并对工质R12、混合工质R22/R152a的冰箱毛细管进行了优化;得出了一定工况下R12、R22/R152a冰箱毛细管系统的毛细管与回气管的最佳长度分配;同时对毛细管中可能出现的不稳定现象进行了分析。 展开更多
关键词 r22/r152a 毛细管 优化 替代工质 冰箱
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R152a与R134a混合制冷剂替代R22的可行性研究 被引量:15
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作者 刘靖 程艳华 《流体机械》 CSCD 北大核心 2010年第11期77-80,63,共5页
制冷剂R407C和R410A是R22的主要替代物,它们的温室指数(GWP)值还较高,对环境仍然有一定的影响。本文对R152 a和R134 a组成的混合制冷剂进行了理论研究,通过分析该混和制冷剂的环境影响指数、温度滑移特性、热力学特性、安全特性和润滑... 制冷剂R407C和R410A是R22的主要替代物,它们的温室指数(GWP)值还较高,对环境仍然有一定的影响。本文对R152 a和R134 a组成的混合制冷剂进行了理论研究,通过分析该混和制冷剂的环境影响指数、温度滑移特性、热力学特性、安全特性和润滑油等问题,经理论循环计算并与R407C和R410A进行了对比,结果显示:由质量分数为50%的R152 a和质量分数为50%的R134 a组成的混和制冷剂对环境危害很小,具有合适的性能系数(COP)和排气温度,是一种润滑特性很好的优良近共沸制冷剂,在替代R22技术上完全具有可行性。 展开更多
关键词 二氟乙烷 四氟乙烷 r22 制冷剂替代
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PVTx Study of Binary System R22/R152a with Burnett Method 被引量:1
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作者 Su Zhijun Jiang Baocheng +2 位作者 Yan Jialu(Dept. of Power Eng., Harbin Institute of Technology, Harbin, 150001, China)Zhu Mingshan Han Lizhong Fu Yidong(Dept. of Thermal Eng., Tsinghua University, Beijing, 100084, China) 《Journal of Thermal Science》 SCIE EI CAS CSCD 1994年第2期77-81,共5页
This paper reports the PVTx properties of R22/R152a system in the ranges of temperature from 298.15 K to 353.15 K and pressure from 0.288 MPa to 1.288 MPa. Sixty seven PVTx measurements for three compositions, i.e., 0... This paper reports the PVTx properties of R22/R152a system in the ranges of temperature from 298.15 K to 353.15 K and pressure from 0.288 MPa to 1.288 MPa. Sixty seven PVTx measurements for three compositions, i.e., 0.2712, 0.4094 and 0.7911 mole fraction of R22, have been measured along 16 isotherms. The uncertainties of temperature and pressure measurements are less than 0.01 K and ±500 Pa respectively. The reliability of the experimental measurements is confirmed by using REFPROP program, a computer program suggested by Morrison et al[4]. 展开更多
关键词 PVTx properties r22/r152a binary system Burnett method refrigerant alternatives.
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PVTxSTUDYOFBINARYSYSTEMR22/R152aWITHBURNETTMETHOD
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作者 Su Zhijun Jiang Baocheng Yan Jialu (Shanghai Jiaotong University) (Harbin Institute of Technology) Zhu Mingshan Han Lizhong Fu Yidong (Tsinghua University) 《Journal of Shanghai Jiaotong university(Science)》 EI 1996年第1期7-11,共5页
This paper reports the PVT x properties of R22/R152a system in the ranges of temperature from 298.15K to 353.15K and pressure from 0.288 MPa to 1.288 MPa. Sixty seven PVT x measurements for three compositions, i... This paper reports the PVT x properties of R22/R152a system in the ranges of temperature from 298.15K to 353.15K and pressure from 0.288 MPa to 1.288 MPa. Sixty seven PVT x measurements for three compositions, i.e., 0.2712, 0.4094 and 0.7911 mole fraction of R22, have been measured along 16 isotherms. The uncertainties of temperature and pressure measurements are less than ±0.01K and ±500 Pa respectively. The reliability of the experimental measurements is confirmed by the CSD equation. 展开更多
关键词 PVT x properties r22/r152a BINArY system Burnett method rEFrIGErANT alternatives
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