An ideal defrost model was presented based on the fundamental conservation equations and experimental results.

• 在热气除霜实验研究的基础上，从基本守衡定律出发，提出了风冷热泵热气除霜过程的动态特性模型，重点模拟了这一过程中霜层侧的传热传质和制冷剂侧压力变化情况。