【摘要】 针对无油涡旋压缩机轴向间隙导致的泄漏和密封条的磨损问题，提出一种具有表面织构密封条的无油涡旋压缩机齿顶密封结构，建立了不同形状表面织构的齿顶密封条和涡旋盘底面间流体间隙的几何模型，并采用Fluent软件对间隙内流体的流动状态、开启力和泄漏量进行模拟分析。结果表明，因为流体的动压效应，表面织构可以增大开启力，圆形凹坑织构、椭圆凹坑织构分别能够使涡旋盘底面作用力增加1.13%和2.29%;圆形表面织构的泄漏量小于椭圆形表面织构。更多还原

【Abstract】 In order to solve the problems of leakage and seal wear caused by axial clearance of oil-free scroll compressor, a gear seal structure of oil-free scroll compressor with surface texture sealing strip is proposed, and a geometric model of fluid clearance between the gear seal strip with different shape surface texture and the bottom of scroll disk is established. Fluent software is used to simulate the flow state, opening force and leakage of the fluid in the gap. The results show that the surface texture can increase the opening force due to the dynamic pressure effect of the fluid, and the circular pit texture and elliptical pit texture can increase the force on the bottom surface of the scroll disk by 1.13% and 2.29% respectively. The leakage of circular surface texture is smaller than that of elliptical surface texture.更多还原