Analysis of an Air Source Heat Pump Space Cooling System under Variable Inlet Water Temperature Condition

Jin Chengcheng; Wang Ruzhu; Zhai Xiaoqiang; Jin Zhequan

doi:10.3969/j.issn.0253-4339.2016.05.075

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Analysis of an Air Source Heat Pump Space Cooling System under Variable Inlet Water Temperature Condition

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- Analysis of an Air Source Heat Pump Space Cooling System under Variable Inlet Water Temperature Condition
- Journal of Refrigeration Vol. 37, Issue 5, (2016)
- 作者机构：
  
  1. 上海交通大学制冷与低温工程研究所
  2. 挪威科技大学能源与过程工程系
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0253-4339.2016.05.075
  CLC：
- Published：2016
- 稿件说明：
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Jin Chengcheng, Wang Ruzhu, Zhai Xiaoqiang, et al. Analysis of an Air Source Heat Pump Space Cooling System under Variable Inlet Water Temperature Condition[J]. Journal of refrigeration, 2016, 37(5).
DOI：

Jin Chengcheng, Wang Ruzhu, Zhai Xiaoqiang, et al. Analysis of an Air Source Heat Pump Space Cooling System under Variable Inlet Water Temperature Condition[J]. Journal of refrigeration, 2016, 37(5). DOI： 10.3969/j.issn.0253-4339.2016.05.075.

摘要

为了提高空气源热泵空调系统运行性能，研究了一套采用变回水温度控制策略的空气源热泵机组的制冷性能。实验研究表明，变回水温度工况可满足室内冷负荷需求。与传统采用定12 ℃回水温度的空气源热泵空调系统相比，COP更高，耗电量更小，是一种高效节能的空气源热泵空调系统控制方法。此外，所建立的Dymola模型从理论上验证了实验结果，在此基础上模拟了实际空调系统的能耗，模拟结果表明，COP由3.99提高至4.39，提高了10%。

Abstract

In order to enhance the operating performance of air source heat pump

the performance of air source heat pump (ASHP) system with the variable inlet water temperature strategy was experimentally studied. As field test shows

the condition of variable outlet water temperature could satisfy the indoor cooling demmand. Compared with traditional ASHP cooling system adopting fixed 12 ℃ inlet water temperature

this kind of system is proved to be with higher COP and lower power consumption

and therefore is an obvious energy saving system. In addition

the Dymola model was established to verify the experimental results

and the simulation of energy consumption of actual air conditioning system was conducted based on the model. The results indicated that COP would improve 10 percent from 3.99 to 4.39.

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