涡轮叶栅尾迹对二次流影响的试验研究

工程热物理学报 , 2009, 30(3): 397-401.

1.北京航空航天大学航空发动机气动热力国防重点实验室,北京,100083

2.北京航空航天大学航空发动机气动热力国防重点实验室,北京,100083

3.北京航空航天大学航空发动机气动热力国防重点实验室,北京,100083

基金项目: 航空基础科学基金(2006ZB28003) 国家重点基础研究发展规划(973计划)(2007CB210103) 武器装备预研基金(9140C4103090803)

THE INVESTIGATION FOR INFLUENCE OF WAKE ON SECONDARY FLOW IN A TURBINE CASCADE

本文利用运动圆柱排模拟上游叶片尾迹,在平面涡轮叶栅上研究了上游尾迹与叶栅通道内二次流相互作用,初步讨论了尾迹与二次流相互作用的机理,研究发现利用这种相互作用可以控制二次流的强度、减小二次流损失,进而可实现提高涡轮效率的目的.

[1]	Lakshiminarayana B;Horlock J G .Review:econdary Flows and Losses in Cascades and Axial-Flow Turbomachinery[J].International J.of Mech.Sciences,1963,5(03):287-307.
[2]	Sharama O P;Butler T L .Predictions of Endwall Losses and Secondary Flows in Axial Flow Turbines Cascades[J].ASME Journal of Turbomachinery,1987,109(02):229-236.
[3]	Langston L S .Crossflows in a Turbine Cascade Passage[J].ASME J.of Eng.for Power,1980,102:66-874.
[4]	Sieverding C H .Recent Progress in the Understanding of Basic Aspects of Secondary Flows in Turbine Blade Passages[J].ASME J.of Eng.for Gas Turbine & Power,1985,107:48-257.
[5]	Harrison S .Secondary Loss Generation in a Linear Cascade of High-Turning Turbine Blades[J].ASME Journal of Turbomachinery,1990,112:18-624.
[6]	Wang H P et al.Flow Visualization in a Linear Turbine Cascade of High Perfomance Blades[J].ASME J.of Turbomachinery,1997,119:1-8.
[7]	Goldstein R J;Spaores R A .Turbulent Transport on the Endwall in the Region Between Adjacent Turbine Blades[J].ASME J Heat Transfer,1988,110:62-869.
[8]	Pullan G;Denton J;Curtis E .Improving the Performance of a Turbine with Low Aspect Ratio Stators by Aft-Loading.[ASME 2005-GT-68548][R].,2005.
[9]	Schlienger J;Kalfas A I;Abhari R S .Vortex-Wake-Blade Interaction in a Shrouded Axial Turbine.[ASME 2004-GT-53915][R].,2004.
[10]	Graham Pullan .Secondary Flows and Loss Caused by Blade Row Interaction in a Turbine Stage.[ASME 2004-GT-53743][R].,2004.

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