Lubrication Characteristics Between the Vane and the Rolling Piston in a Rotary Compressor Used for Refrigeration and Air-Conditioning Systems

The rolling piston type-rotary compressor has been widely used for refrigeration and air-conditioning systems due to its compactness and high-speed operation. The present analysis is part of a research program directed toward maximizing the advantages of refrigerant compressors. The study of lubrica...

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Bibliographic Details
Published in:Journal of mechanical science and technology 2001-05, Vol.15 (5), p.562-568
Main Authors: CHO, Ihn-Sung, OH, Seok-Hyung, JUNG, Jae-Youn
Format: Article
Language:English
Subjects:
Air conditioning
Applied sciences
Compressors
Elastohydrodynamic lubrication
Exact sciences and technology
Friction, wear, lubrication
High speed
Lubricants & lubrication
Lubrication
Machine components
Mechanical engineering. Machine design
Pistons
Refrigerants
Refrigeration
Vanes
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Summary:The rolling piston type-rotary compressor has been widely used for refrigeration and air-conditioning systems due to its compactness and high-speed operation. The present analysis is part of a research program directed toward maximizing the advantages of refrigerant compressors. The study of lubrication characteristics in critical sliding components is essential for the design of refrigerant compressors. Therefore, theoretical investigation of the lubrication characteristics of a rotary compressor used for refrigeration and air-conditioning systems was studied. The Newton-Raphson method was used for the partial elastohydrodynamic lubrication analysis between the vane and the rolling piston of a rotary compressor. The results showed that the rotational speed of a shaft and the discharge pressure significantly influence the friction force and the energy loss between the vane and the rolling piston.[PUBLICATION ABSTRACT]
ISSN:1226-4865
1738-494X
1976-3824
DOI:10.1007/BF03184372