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김남영(Namyoung Kim),지태수(Taesoo Chi),신준탁(Juntak Shin),차우진(Woojin Cha),박종길(Jonggil Park) 한국자동차공학회 2010 한국자동차공학회 부문종합 학술대회 Vol.2010 No.5
This paper presents the fluctuation of internal pressure and the deformation characteristics of cam ring in a balanced type vane pump. Cam-ring is operated in the condition of high pressure and low pressure repeatedly. Pressure overshoot occur due to the accelerated fluid, so result in pressure ripple, flow ripple, noise, and internal part broken. As a result of measuring and analysis, we have found oscillation of pressure and compression chamber pressure depend on the rotational speeds. The Results indicate that the surge pressures of the chambers at the instant moment of discharge and closure are affected by the rotating speed.