低压涡轮叶栅流动分离主动控制实验研究

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 2007, Vol. 28 ›› Issue (5): 1055-1061.

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Experimental Investigation of Active Control of Flow Separation at Low pressure Turbine Cascade

Yi Jinbao,Qiao Weiyang,Sun Dawei

College of Propulsion and Energy, Northwestern Polytechnical University

Received:2006-09-19 Revised:2007-04-20 Online:2007-10-15 Published:2007-10-15
Contact: Yi Jinbao

Abstract

Abstract:

The experimental investigation was performed for votex generator jets (VGJs) controlling flow separation occurred in the suction side of low pressure turbine at low Reynolds number conditions. The experiments were conducted on the lowspeed linear cascade tunnel at Northwestern Polytechnical University (NPU). Cases at Reynolds numbers ranging from 19 000 to 260 000 were considered at the freestream turbulence intensity about 1%.

Key words: low , Reynolds , number, , turbine , cascade, , flow , separation, , active , flow , control, , VGJs

CLC Number:

V231.3

Yi Jinbao;Qiao Weiyang;Sun Dawei. Experimental Investigation of Active Control of Flow Separation at Low pressure Turbine Cascade[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2007, 28(5): 1055-1061.

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Experimental Investigation of Active Control of Flow Separation at Low pressure Turbine Cascade

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