| 叶顶射流对涡轮流场及气动性能影响 |
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| 引用本文： | 李文,董平,陈海生,谭春青. 叶顶射流对涡轮流场及气动性能影响[J]. 工程热物理学报, 2011, 0(10): 1665-1668 |
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| 作者姓名： | 李文 董平 陈海生 谭春青 |
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| 作者单位： | 中国科学院工程热物理研究所;中国科学院研究生院; |
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| 摘 要： | 通过对带有前缘气膜冷却的C3X涡轮叶片的传热和气动试验结果进行计算验证,表明所使用计算方法在对带有冷却射流的跨音涡轮压力及温度进行的预测具有较高的精度,在此基础上针对某型发动机低压涡轮,通过CFD数值模拟研究其叶顶冷却射流对叶顶泄漏流及涡轮性能的影响规律,并通过详细分析叶顶流动揭示该规律产生的原因;然后通过改变不同叶顶...
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| 关 键 词： | 冷却射流 叶顶泄漏 低压涡轮 叶顶间隙 |
Effects of Tip Injection on Turbine Flow Field and Aerodynamic Performance |
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| LI Wen DONG Ping CHEN Hai-Sheng TAN Chun-Qing. Effects of Tip Injection on Turbine Flow Field and Aerodynamic Performance[J]. Journal of Engineering Thermophysics, 2011, 0(10): 1665-1668 |
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| Authors: | LI Wen DONG Ping CHEN Hai-Sheng TAN Chun-Qing |
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| Affiliation: | LI Wen~(1,2) DONG Ping~1 CHEN Hai-Sheng~1 TAN Chun-Qing~1 (1.Institute of Engineering Thermophysics,Chinese Academy of Sciences,Beijing 100190,China,2.Graduate University of Chinese Academy of Sciences,China) |
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| Abstract: | The C3X gas turbine vanes cooled with leading edge films is simulated by Conjugate calculation methodology.The results show that the numerical results agree well with the experimentally measured data,which indicates the computation method is suitable to simulate transonic turbine. Then the verified computation method is used to investigate the effects of tip injection on the tip leakage and the aerodynamic performance of a low pressure turbine rotor.To obtain the mechanism, the tip flow and the tip leakage ... |
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| Keywords: | cooling injection tip leakage low pressure turbine tip clearance |
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