叶片数对跨音速涡轮性能影响的试验研究
EFFECT OF VANE AND BLADE NUMBERS ON PERFORMANCE OF TRANSONIC TURBINE STAGE
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摘要: 导叶叶片数变化对跨音速涡轮性能的影响基本级涡轮A具有动叶47片,导叶29片。为了增大涡轮排气面积,将导叶减为16片,动叶叶片数不变,称涡轮B。将A、B涡轮进行试验对比。Abstract: The parameters,such as throat area,trailing edge block ratio and profile turning angle at trailing edge,has been investigated with change of vane and blade number,namely 29,26 vanes and 47,52,42 blades.The results of the effect of the vane and blade numbers on the mass flow,reaction and efficiency of transonic turbine stage are analyzed.
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