导风轮轮罩引气对离心式压气机性能影响的数值研究

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Numeric Simulation of Inducer Shroud Bleeding Effect on Centrifugal Compressor Performance

School of Jet Propulsion,Beijing University of Aeronautics and Astronautics,Beijing100083,China

摘要: 为了研究扩大离心压气机喘振裕度的实用技术 ,以解决某工程设计中的问题 ,用三维粘性计算流体力学 ( CFD)计算软件对离心压气机导风轮轮罩引气措施进行了数值模拟。该项技术在应用中所涉及的设计参数经过了初步的数值试验。从数值模拟的结果中 ,可以看到该项技术对离心压气机性能改进的明显效果
- 航空、航天推进系统 /
- 计算流体力学(CFD) /
- 数值模拟 /
- 离心压气机 /
- 叶轮罩 /
- 引气
Abstract: In order to investigate the applied techniques that can be used to enlarge the centrifugal compressor surge-margin and to solve the problem in certain engineering design,3D viscous Computation Fluid Dynamics (CFD) code was used to simulate the inducer shroud bleeding effect on centrifugal compressor performance.Numerical experiments have been carried out to test certain design parameters involved in the application of this technique.The results show that inducer shroud bleeding has a remarkable effect on the centrifugal compressor performance improvement.
- aerospace propulsion system /
- Computation Fluid Dynamics (CFD) /
- numerical simulation /
- centrifugal compressor /
- shroud /
- bleed

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