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以动量方程、连续方程、实际气体状态方程及过程方程为基础，将泄漏视为粘性气体多方流动过程，导出了计算涡旋压缩机内泄漏的模型，并对计算模型进行了实验验证。分析讨论了不同的气体温度、泄漏压差、最大泄漏量下空气、ＣＯ２、Ｒ２２、Ｒ１１，ｎＣ４Ｈ１０与最小密封间隙的关系。为各种不同用途涡旋压缩机的设计提供合理的密封间隙，为使用现有涡旋压缩机样机的设计参数进行模化设计提供理论依据。
Based on the momentum equation, the continuous equation, the actual gas state equation and the process equation, the leakage is regarded as the multi-flow process of the viscous gas. The model for calculating the internal leakage of the scroll compressor is derived, and the calculation model is verified experimentally. The relationship between air, CO2, R22, R11, nC4H10 and minimum seal gap under different gas temperatures, leakage pressure difference and maximum leakage is analyzed and discussed. It provides a reasonable seal gap for the design of scroll compressors for different purposes and provides a theoretical basis for modeling design using the design parameters of the existing scroll compressor prototypes.