| R744/R600a热泵热水器系统性能实验研究 |
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| 引用本文： | 范晓伟,欧阳怀瀑,巨福军,邝阿敏,马胜飞,张纪军.R744/R600a热泵热水器系统性能实验研究[J].热科学与技术,2019,18(5):362-366. |
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| 作者姓名： | 范晓伟 欧阳怀瀑 巨福军 邝阿敏 马胜飞 张纪军 |
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| 作者单位： | 济源职业技术学院,郑州大学,中原工学院,中原工学院,中原工学院,郑州大学 |
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| 基金项目： | 国家自然科学基金资助项目 (51176207); 郑州市科技领军人才项目 (131PLJRC641)；济源市科技攻关项目（18022011） |
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| 摘 要： | 为了研究环保混合制冷剂R744/R600a应用于热泵系统的可行性,在直热式水源热泵系统实验台上对R744充注质量分数在3%～11%的五种工况进行了实验研究。实验结果表明:R744充注质量分数的变化对热泵系统的COP_h、制热量和排气温度等性能参数均产生显著的影响;在热泵名义工况下,混合工质的最优R744充注质量分数为7%,其对应的系统COP_h和制热量相比R600a系统均明显提高,而其排气温度则明显降低。
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| 关 键 词： | 热泵热水器 R744 R600a 混合制冷剂 充注质量分数 |
| 收稿时间： | 2018/8/24 0:00:00 |
| 修稿时间： | 2018/11/27 0:00:00 |
Experimental Study on the Performance of Heat Pump System Using R744/R600a Mixtures as Refrigerants |
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| Abstract: | In order to study the feasibility of environment-friendly mixed refrigerant R744/R600a applied in heat pump system, five filling concentrations of R744 with a ratio of 3% to 11% were studied experimentally on the experimental platform of direct heating water source heat pump system . The experimental results show that charging concentration of R744 has a significant impact on COPh, heat production, exhaust temperature and other performance parameters of the heat pump system. Under the standard working condition of heat pump, the optimal charging concentration of R744 is 7%, and COPh and heat production of the corresponding system are significantly increased compared with that of R600a system, while the exhaust temperature is significantly reduced. |
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