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Experimental Study on Radiation Heating of Low Temperature Air Source Heat Pump in Cold Areas
Author(s): 
Pages: 77-82
Year: Issue:  1
Journal: Journal of Gansu Sciences

Keyword:  Cold areasAir source heat pumpHeatingSystem COP;
Abstract: 为了解决常规空气源热泵在寒冷地区应用系统性能低的普遍问题,在兰州地区建立了一套喷气增焓空气源热泵低温地板辐射供暖系统,开展冬季供暖实验研究,并且进行了供暖性能分析.结果表明:空气源热泵供暖系统在寒冷条件下能稳定输出热能,室内温度保持在14~20℃,系统能够满足冬季供暖的需求;在环境温度为-12.9℃时,综合考虑水泵及风机耗功,系统COP大于1.85,但供暖最低温度未达到Ⅱ级热舒适要求,设定较低供暖温度下限有利于系统节能;COP、地暖工作时间与环境温度密切相关;该空气源热泵低温地板辐射供暖系统在兰州等寒冷地区应用具有良好的节能效果,尤其是在未提供集中供暖的农村地区具有一定的可行性.
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