推进技术 ›› 2009, Vol. 30 ›› Issue (2): 182-186.
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张百灵,李军,江勇,王乐明
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摘要： 为了研究进气总温畸变在压气机中的传递特性,建立了压缩系统的几何模型,通过求解非稳态三维欧拉控制方程,计算了气流参数在压气机各截面的分布,获得了一种计算进气总温畸变的方法。以某三级压气机为例,对模型的有效性进行了验证。在进口存在周向总温畸变的情况下,计算得到了总压、静压、总温、静温和流量系数在各截面上的分布规律,得出了该三级压气机对总温畸变的响应。
关键词: 压气机;进气总温畸变+;畸变强度+;稳定性;数值仿真
Abstract: To study the transfer characteristics of inlet temperature distortion in the compressor.A geometric model of compression system was described.The stage distribution in different faces was obtained through solving the unsteady 3-D Euler equations.A method for calculating inlet temperature distortion was developed.As an example,the efection of the model was verified for a 3-stage compressor.Under the inlet circumferential total temperature distortion,the distribution of total pressure,static pressure,total temperature,static temperature and flow coefficient in different faces was obtained as well as,the response of the 3-stage compressor on total temperature distortion.
Key words: Compressor;Inlet temperature distortion+;Distortion intensity+;Stability;Numerical simulation
张百灵,李军,江勇,王乐明. 进气总温畸变在压气机中的数值模拟[J]. 推进技术, 2009, 30(2): 182-186.
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