| 多级轴流压气机稳定性数值研究 |
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| 引用本文： | 任晓栋,李想,顾春伟.多级轴流压气机稳定性数值研究[J].工程热物理学报,2010(4). |
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| 作者姓名： | 任晓栋 李想 顾春伟 |
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| 作者单位： | 清华大学热能工程系热科学与动力工程教育部重点实验室; |
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| 基金项目： | 国家重点基础研究发展计划资助(No.2007CB210105) |
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| 摘 要： | 本文以某压气机前五级为研究对象,利用计算流体力学方法研究了可转静叶对提高压气机部分转速下喘振裕度的效果,研究表明,可转静叶能够明显地提高压气机部分转速下的喘振裕度。通过分析影响压气机不稳定性的因素,给出了一个扩压参数来衡量压气机稳定性和承载能力,从而指导选取最优可转静叶安装角,使压气机喘振裕度达到最大,并在该参数的指导下,得出了可转静叶的一组最优安装角。
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| 关 键 词： | 失速 静压系数 扩压参数 |
A NUMERICAL STUDY OF MULTISTAGE AXIAL COMPRESSOR STABILITY |
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| REN Xiao-Dong LI Xiang GU Chun-Wei.A NUMERICAL STUDY OF MULTISTAGE AXIAL COMPRESSOR STABILITY[J].Journal of Engineering Thermophysics,2010(4). |
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| Authors: | REN Xiao-Dong LI Xiang GU Chun-Wei |
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| Institution: | Key laboratory for Thermal Science and Power Engineering of Ministry of Education;Department of Thermal Engineering;Tsinghua University;Beijing 100084;China |
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| Abstract: | The variable vane influence on the compressor surge margin is investigated by the Computational Fluid Dynamics(CFD) method in this paper.And it indicates that using variable vane can improve the compressor surge margin significantly.By analyzing the factors which influence the compressor stability,this paper presents a diffusion parameter for estimating the compressor stability and loading ability simultaneously.And by using the this parameter,a optimizing vane angle set was chosen to get the largest compre... |
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| Keywords: | stall static pressure coefficient diffusion parameter |
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