| 端壁不同角度喷射冷气对前缘喷射冷气重型燃气轮机涡轮流场的影响 |
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| 引用本文： | 王松涛,刘勋,韩俊,冯国泰,王仲奇. 端壁不同角度喷射冷气对前缘喷射冷气重型燃气轮机涡轮流场的影响[J]. 节能技术, 2011, 29(4): 323-326 |
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| 作者姓名： | 王松涛 刘勋 韩俊 冯国泰 王仲奇 |
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| 作者单位： | 哈尔滨工业大学发动机气体动力研究中心,黑龙江哈尔滨,150001 |
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| 基金项目： | 中国国家高技术研究发展计划(863)计划(2008AA5A302) |
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| 摘 要： | 本文采用中心差分格式和多区网格技术,对地面发电用燃气轮机第一级涡轮前缘喷射冷气的静叶栅的端壁喷射冷气流场进行了全三维N-S方程数值求解.分析了在端壁不同角度冷气喷射条件下,端壁冷却效率、温度场的分布规律,以及不同角度冷气喷射对叶片端壁区域流场的影响.结果表明,端壁冷气喷射角度的变化对端壁冷却效果影响较大,在小角度冷气喷...
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| 关 键 词： | 涡轮 气膜冷却 端壁 气动性能 |
Impact of Different Cooling Air Injection Angle at Endwall on Heavy Duty Gas Turbine Cascade with Cooling Air Injection at Leading Edge |
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| WANG Song-tao,LIU Xun,HAN Jun,FENG Guo-tai,WANG Zhong-qi. Impact of Different Cooling Air Injection Angle at Endwall on Heavy Duty Gas Turbine Cascade with Cooling Air Injection at Leading Edge[J]. Energy Conservation Technology, 2011, 29(4): 323-326 |
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| Authors: | WANG Song-tao LIU Xun HAN Jun FENG Guo-tai WANG Zhong-qi |
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| Affiliation: | WANG Song-tao,LIU Xun,HAN Jun,FENG Guo-tai,WANG Zhong-qi(Engine Aerodynamic Research Center,Harbin Institute of Technology,Harbin 150001,China) |
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| Abstract: | In this paper,the endwall film-cooling flow field of a heavy duty gas turbine cascade with cooling air injection at leading edge has been studied by central difference scheme and multi-block grid technique.The research is based on the three-dimensional N-S equation solver.By means of analysis of the temperature field,the impact of flow field,and the distribution of film-cooling adiabatic effectiveness in the region of endwall with different cool air injection angles,it is found that the impact on the film-c... |
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| Keywords: | turbine film-cooling effectiveness endwall aerodynamic performance |
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