The experimental setup of the direct expansion solar-assisted heat pump (DX-SAHP) system was constructed.
本文建立了直接膨胀式太阳能热泵(直膨式太阳能热泵)系统的实验装置。
Contrast experiments between gravity feeding and direct expansion refrigeration system were carried on, performance characteristics difference of the two refrigeration systems were found out.
并与直接膨胀供液制冷系统做同工况下的对比实验，分析两种系统的工作特性差异。
Contrast experiments between gravity feeding and direct expansion refrigeration system were carried on, performance characteristics difference of the two refrigeration systems were found out.
并与直接膨胀供液制冷系统做同工况下的对比实验，分析两种系统的工作特性差异。
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