A thermostatic laboratory and an air-source heat pump system of two-stage cycle with flash tank have been set up in this thesis.

本文通过实验和模拟的方法对热力膨胀阀和毛细管作为第一级节流机构的系统进行了研究。

The heat pump system with scroll compressor flash-tank is presented, and it was compared with sub-cooler system in structural characteristics.

介绍了涡旋压缩机闪发器热泵系统，并在结构特点方面与对应的过冷器系统作了比较。