活塞式制冷压缩机活塞与汽缸间隙迷宫密封的理论研究

Theoretical Study on Labyrinth Seal of the Clearance between Piston and Cylinder of Reciprocating Refrigerating Compressor

对活塞式制冷压缩机工作过程进行了数值模拟,建立了活塞与汽缸迷宫密封的数学模型,分析了泄漏量随活塞与汽缸间隙及迷宫槽间距变化的关系.

Simulating the working process of reciprocating refrigerating compressor, establishing the mathematical model of labyringth seal of the clearance between piston and cylinder, Analyzing the vary of leakage amount with the clearance between piston and cylinder or the distance of labyrinth.