| Title |
A Comparative Study of Leakage Flow Models for Scroll Compressors with CFD Solutions |
| Keywords |
Leakage flow ; 누설유동 ; Isentropic flow ; 등엔트로피 유동 ; Radial clearance ; 반경방향 틈새 ; Tangential clearance ; 원주방향 틈새 ; Fanno flow ; Fanno 유동 |
| Abstract |
The present paper studies the leakage flow model used in the performance prediction of a scroll compressor. Two leakage flow models, isentropic and Fanno flow model, are studied in detail. Their predictions are also compared with CFD solutions to check the validity as a leakage flow model. Comparison with CFD solutions shows that the isentropic flow model predicts excessive leakage flow rate, while the Fanno flow model shows acceptable agreement with CFD solutions. The excessive leakage flow rate by isentropic flow model results in under-prediction of the overall performance of a scroll compressor. |