Browse > Article
http://dx.doi.org/10.5293/KFMA.2010.13.5.017

Two-dimensional numerical simulation of volumetric gear pump flow  

Lee, Jung-Ho (울산대학교 일반대학원)
Park, Jong-Won (진명21(주))
Kim, Tae-Goo (진명21(주))
Lee, Sang-Wook (울산대학교 기계자동차공학부)
Publication Information
Abstract
A volumetric gear pump is often used in extensive industrial applications to provide both high pressure and sufficiently high flow rate by physical displacement of finite volume of fluid with each revolution. To better understand the unsteady flow characteristics within the pump, numerical simulations were conducted by using moving dynamic meshing (MDM) techniques in commercially available CFD software, FLUENT. The effects of rotor clearance size and rotational speed of rotor on the flow characteristics, specially the temporal variation of velocity and pressure field, which is a main source of flow noise, was investigated. The results showed that significant reverse flow is developed in the rotor clearance and that its size is one of the most important factors affecting flow characteristics and pressure pulsation.
Keywords
Volumetric gear pump; CFD; Moving Dynamic Mesh; Pressure pulsation; Clearance;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
연도 인용수 순위
1 Kim, H., Marie, H., 2007, “Two-dimensional CFD analysis of a hydraulic gear pump”, Proceedings of the 2007 ASEE Annual Conference, Honolulu, Hawaii, June 2007
2 최영도, 김유택, 이영호, 2007, “CFD에 의한 용적형수차의 압력맥동 및 내부유동 해석”, 한국마린엔지니어링학회지, 제31권, 제6호 pp. 687-693.   DOI
3 Manring N.D., Kasaragadda, S.B., 2003, “The theoretical flow ripple of an external gear pump”, Journal of Dynamic Systems, Measurement and Control, Vol. 125, pp. 396-404   DOI
4 남경우, 조석현, 박재인, 2006, “엔진윤활용 제로터 오일펌프 유동해석”, 대한기계학회 논문집(B), 제30권 제10호, pp. 1019-1025.
5 송경석, 허형석, 배석정, 이헌균, 2006, “자동차 엔진용 오일펌프의 유동 시뮬레이션”, 한국자동차공학회 추계학술대회, pp. 152-158.
6 원찬식, 허남건, 권성호, 2003, “자동차용 제로터형 오일펌프의 유동 해석”, 유체기계저널, 제6권, 제4호 pp. 7-13.