| 提高低温空气源热泵性能的研究 |
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| 引用本文： | 甄仌,刘宗华,王起霄,李晓燕,王莹,季阿敏. 提高低温空气源热泵性能的研究[J]. 制冷学报, 2007, 28(1): 12-17 |
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| 作者姓名： | 甄仌 刘宗华 王起霄 李晓燕 王莹 季阿敏 |
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| 作者单位： | 哈尔滨商业大学,哈尔滨,150028 |
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| 摘 要： | 分析了热泵在低温环境工作时存在的问题。在热泵系统四通换向阀后的排气管上加旁通毛细管和在气液分离器中加过冷管。通过分析确定过冷管最小换热面积和旁通毛细管最佳长度范围。经实验证明在低温工况下时制热量提高显著。
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| 关 键 词： | 热工学 空气源热泵 过冷回热 旁通毛细管 制热量 能效比 |
| 修稿时间： | 2006-01-22 |
Research on Improving the Performance of Air- source Heat Pump |
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| Zhen Bing,Liu Zonghua,Wang Qixiao,Li Xiaoyan,Wang Ying,Ji Amin. Research on Improving the Performance of Air- source Heat Pump[J]. Journal of Refrigeration, 2007, 28(1): 12-17 |
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| Authors: | Zhen Bing Liu Zonghua Wang Qixiao Li Xiaoyan Wang Ying Ji Amin |
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| Affiliation: | Harbin University of Commerce, 150028, China |
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| Abstract: | The problems for heat pumps operating at low ambient temperatures were analyzed.A by-pass capillary tube was added on the discharge pipe behind the four-way valve and a tube was added in an accumulator in a heat pump system to solve the problem.The minimum heat transfer area of the tube for subcooling and the optimal length range of the by-pass capillary tube were determined.The experiment results show that heat output of the improved heat pump increased greatly at low ambient temperatures. |
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| Keywords: | Pyrology Air-source heat pump Subcooled heat recovery By-pass capillary tube Heat output Energy efficiency ratio |
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