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Development and validation of static simulation model for CO_2 heat pump

机译:CO_2热泵静态仿真模型的开发与验证

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摘要

A simulation model for the CO_2 heat pump water heater was developed and validated in this study. Component models of the gas cooler, evaporator, compressor, and expansion valve were constructed with careful consideration for the heat transfer performances. To validate the simulation model, experiments were carried out using an actual CO_2 heat pump water heater (water heating capacity: 22.3 kW; hot-water temperature: 90 ℃). In simulations and experiments, the effects of the inlet water temperature and outside air temperature on the system characteristics were discussed. As a result, the average difference in COP between the simulation results and experimental results is 1.5%.
机译:建立并验证了CO_2热泵热水器的仿真模型。在构造气体冷却器,蒸发器,压缩机和膨胀阀的组件模型时,要仔细考虑传热性能。为了验证仿真模型,使用实际的CO_2热泵热水器(水加热能力:22.3 kW;热水温度:90℃)进行了实验。在仿真和实验中,讨论了进水温度和外界空气温度对系统特性的影响。结果,模拟结果和实验结果之间的COP平均差异为1.5%。

著录项

  • 来源
    《International Journal of Heat and Mass Transfer》 |2011年第10期|p.1896-1906|共11页
  • 作者单位

    Department of Applied Mechanics and Aerospace Engineering, Waseda University, 3-4-1 -58-210 Okubo, Shinjuku-ku, Tokyo 169-8555, Japan;

    Department of Applied Mechanics and Aerospace Engineering, Waseda University, 3-4-1 -58-210 Okubo, Shinjuku-ku, Tokyo 169-8555, Japan;

    Department of Applied Mechanics and Aerospace Engineering, Waseda University, 3-4-1 -58-210 Okubo, Shinjuku-ku, Tokyo 169-8555, Japan;

    Department of Applied Mechanics and Aerospace Engineering, Waseda University, 3-4-1 -58-210 Okubo, Shinjuku-ku, Tokyo 169-8555, Japan;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    co_2; heat pump; water heater; simulation; validation;

    机译:co_2;热泵;热水器;仿真;验证;

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