对高湿地区风冷热泵蒸发器结霜过程进行了理论分析及实验测试。
The theoretical analysis and experimental measurements of frosting process of air-cooled heat pump evaporator in high humidity district are conducted.
通过阶跃响应实验法，利用最小二乘法建立燃气机热泵蒸发器—电子膨胀阀系统的过热度响应动态模型。
The step response method of the outlet superheat of evaporator is measured by conducting experiments, and dynamic model of EEV is established by LSE (least square estimation).
目前在风冷热泵机组的仿真研究中，对蒸发器结霜过程的模拟主要是采用一些由实验拟合而成的集总参数模型，而这些模型往往是在特定的运行条件下得到的。
At present, the lumped parameter model of frost, which is based on experience and depend heavenly on the running condition, is widely used in simulation of air-cooled heat pump.
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