| 非轴对称进气对燃气轮机压气机性能的影响 |
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| 引用本文： | 聂超群,张靖煊,柯婷凤.非轴对称进气对燃气轮机压气机性能的影响[J].热力透平,2013(4):245-250. |
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| 作者姓名： | 聂超群 张靖煊 柯婷凤 |
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| 作者单位： | [1]中国科学院工程热物理研究所,北京100190 [2]中国科学院上海高等研究院,上海201210 |
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| 摘 要： | 为了探索非轴对称进气对轴流压气机运行稳定性的影响,采用数值模拟与实验验证相结合的方式,对周向进气周向畸变、径向畸变对压气机稳定的影响进行了分析和比较;并对畸变与流动失稳的关联及诱发失稳的物理机制进行了研究;为提高压气机抗畸变的能力,在叶顶实施了微喷气措施,取得了明显的拓稳效果.
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| 关 键 词： | 非轴对称进气 畸变 失稳 微喷气 |
Influence of Non-Axisymmetric Inlet Flow on Performance of Gas Turbine Compressor |
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| NIE Chao-qun,ZHANG Jing-xuan,KE Ting-feng.Influence of Non-Axisymmetric Inlet Flow on Performance of Gas Turbine Compressor[J].Thermal Turbine,2013(4):245-250. |
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| Authors: | NIE Chao-qun ZHANG Jing-xuan KE Ting-feng |
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| Affiliation: | 1. Institute of Engineering Thermophysics,Chiese Academy of Sciences,Beijing lO0190,China; 2. ShangHai Advanced Research Institute, Chinese Academy of Scineces, Shanghai 201210,China) |
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| Abstract: | The influence of the non-axisymmetric inlet flow, namely the circurnferential inlet distortion and radial inlet distortion, on the compressor performance is investigated experimentally and numerically. The flow mechanism of inlet distortion effects on compressor instability is presented through direct comparison of the behavior of tip leakage flow and hub separation flow. In order to improve the anti-distorted ability of compressor, the tip micro injection is implemented to show a good improvement of stall margin. |
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| Keywords: | non-axisymmetric inlet distortion stall micro injection |
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