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Influence of exit-to-throat width ratio on performance of high pressure convergent-divergent rotor in a vaneless counter-rotating turbine |
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| Authors: | ZHANG Lei WANG HuiShe LUO WeiWei & XU JianZhong Institute of Engineering Thermophysics Chinese Academy of Sciences Beijing China Graduate University of Chinese Academy of Sciences Beijing |
| Affiliation: | ZHANG Lei1,2,WANG HuiShe1,LUO WeiWei1,2 & XU JianZhong1 1 Institute of Engineering Thermophysics,Chinese Academy of Sciences,Beijing 100190,China,2 Graduate University of Chinese Academy of Sciences,Beijing 100049 |
| Abstract: | This paper describes the redesign of a high pressure rotor (with exit Mach number around 1.5) for the vaneless counter-rotating turbine by choosing adequate exit-to-throat width ratio. Based on the previous design analysis and test results, effects of the exit-to-throat width ratio on the performance of the transonic turbine cascade were proposed. In order to investigate the influence of the exit-to-throat width ratio on the performance of the turbine cascade, a flow model of the convergent-divergent turbin... |
| Keywords: | exit-to-throat width ratio counter-rotating turbine transonic turbine high pressure rotor |
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