2022•The National Transport University BulletinOpen access

MIXED LUBRICATION ANALYSIS OF VANE SLIDING SURFACE IN ROTARY COMPRESSOR MECHANISMS

M Dmytrychenko, Богданов І. М

Abstract

Numerical analysis for mixed lubrication has been performed in order to investigate the lubrication characteristics of the sliding surface of the vane in a rotary compressor. The modified Reynolds equation and the elastic contact equation, considering the surface roughness, are solved as a coupled problem. Using this analysis, the lubrication characteristics of the sliding surface of the vane are investigated by parameter survey on the design parameters such as the vane-slot length and the clearance between the vane and vaneslot. It is found that the influences of the vane-slot length on the friction loss were larger than that of the clearance. KEY WORDS: ROTARY COMPRESSOR, VANE, VANE-SLOT, MIXED LUBRICATION, SURFACE ROUGHNESS, FRICTION.

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Key concepts: Lubrication, Reynolds equation, Surface roughness, Materials science, Mechanics, Fluid bearing, Surface finish, Gas compressor