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축류압축기 익형 Stacking 방식변화가 후단 입구유동에 미치는 영향
이성룡(Sungryong Lee),송재욱(Jaewook Song),홍동민(Dongmin Hong),이창용(Changyong Lee),김수용(Sooyong Kim) 대한기계학회 2009 대한기계학회 춘추학술대회 Vol.2009 No.5
This paper presents design and CFD analysis of a transonic compressor rotor with various sweep. The rotor was used to investigate the influence of sweep on performance and stability of a single stage transonic compressor numerically compared with a baseline design with radially stacked blade sections by 3D Navier-Stokes code. It was found that the new rotor with sweep has an increased efficiency and also a much better stall margin which is mainly caused by moving the separation position on the suction surface of rotor blade to the downstream direction.