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化工学报  2014 

太阳能-空气复合热源热泵热水系统

DOI: 10.3969/j.issn.0438-1157.2014.03.037, PP. 1033-1039

Keywords: 太阳能,热泵,性能系数,压缩机,再生能源

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Abstract:

针对光伏发电效率较低和空气源热泵在寒冷地区应用中存在的问题,研发了一种新型复合蒸发器,将平板微热管阵列太阳能光伏光热(PV/T)集热器与空气源热泵相结合,组成新型太阳能-空气复合热源热泵热水系统。并对该热水系统在不同运行工况下的水箱水温、吸排气压力、压缩机功率和性能等进行了实验研究。实验结果表明,在环境温度分别为5、10和15℃的条件下,热泵加热73L水,水温从15℃加热到50℃时,双热源运行工况的加热时间比单空气热源运行工况依次缩短了5.14%、10.29%和11.38%,COP依次提高了5.99%、9.28%和11.96%。

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