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Analysis of Oil Supply Characteristics for Reciprocating Compressor
Byeong Yeong Lee(이병영),Han Seo Ko(고한서),Kio Ryu(류기오),Young Youn(윤영),Seong Woo Park(박성우) 한국유체기계학회 2006 유체기계 연구개발 발표회 논문집 Vol.- No.-
A problem of oil supply for a reciprocating compressor is very significant for an evaluation of reliability. Since a rotational motion of a crank shaft for the reciprocating compressor with small capacity is used for a power source of oil supply, a centrifugal force of the rotational shaft provides a stroke of oil inside the shaft like a centrifugal pump. The pumped oil rises following an inner wall and provided to a bearing passed through an oil supply hole at the side of the shaft for lubrication of the bearing. In this study, the amount of oil supply has been investigated by a numerical analysis for various conditions such as a shape of a groove, rpm of the compressor, and a shape of a flow channel. Also, a method of increasing oil supply for a low rpm has been studied so that the function can be improved for a variable condition.