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COMPARATIVE ANALYSIS OF THE EXERGETIC PERFORMANCE OF A HOUSEHOLD REFRIGERATOR USING R134a AND R600a

机译:使用R134a和R600a的家用制冷机的运动性能比较分析

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摘要

The coefficient of performance (COP) and exergetic performance of a household refrigerator was investigated using R134a in comparison with the performance of R600a. The coefficient of performance, exergy efficiency, and the efficiency defect in the four major components were investigated. The results showed that the COP of R600a was 10.3% higher than that of R134a, a higher exergy efficiency of 42.8% was obtained using R600a at evaporator temperature of –10°C. Generally, R600a performed better than R134a in terms of COP, exergy efficiency, and the efficiency defect in a household refrigeration system.
机译:使用R134a与R600a的性能进行了比较,研究了家用冰箱的性能系数(COP)和运动性能。研究了四个主要组件的性能系数,火用效率和效率缺陷。结果表明,R600a的COP比R134a的COP高10.3%,在–10°C的蒸发器温度下使用R600a可获得42.8%的较高火用效率。通常,R600a在COP,火用效率和家用制冷系统的效率缺陷方面比R134a更好。

著录项

  • 来源
    《Clean air》 |2018年第2期|37-48|共12页
  • 作者单位

    Department of Mechanical Engineering Science, University of Johannesburg,South Africa;

    Department of Mechanical & Industrial Engineering Technology, University ofJohannesburg, South Africa;

    Department of Mechanical Engineering Science, University of Johannesburg,South Africa;

    The Energy and Environment Research Group (TEERG), Mechanical Engineering Department, Covenant University, Ogun State, Nigeria;

    The Energy and Environment Research Group (TEERG), Mechanical Engineering Department, Covenant University, Ogun State, Nigeria;

    The Energy and Environment Research Group (TEERG), Mechanical Engineering Department, Covenant University, Ogun State, Nigeria;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    COP; exergetic efficiency; R134a; R600a;

    机译:COP;运动效率;R134a;R600a;

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