表面粗さを考慮した圧縮機用ピストンリングの潤滑特性 : 第1報,潤滑油が十分供給される場合

概要

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This paper shows the lubrication characteristics considering the surface roughness of piston-ring surface and cylinder wall for a refrigeration compressor. In this first report, the effects of piston-ring face profile and boundary conditions on the oil film thickness, power losses and flow rate are analyzed theoretically. The power loss of the piston-ring accounts for a large percentage in all power consumption wasted by the refrigeration compressor. Therefore, decreasing the power loss of the piston-ring contributes to reducing overall compressor power consumption. It is found that the surface roughness effect causes a small change in the film thickness and a significant change in the friction loss of the piston-ring. Numerical results are presented in graphic form for some roughness heights.
一般社団法人日本機械学会の論文
1995-06-25