Influence of non-axisymmetric terms on circumferentially averaged method in fan/compressor
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- 作者：Ke Wan (1)
Hailiang Jin (2)
Donghai Jin (1)
Xingmin Gui (1) - 关键词：throughflow model ; circumferentially averaged ; non ; axisymmetric terms ; fan
- 刊名：Journal of Thermal Science
- 出版年：2013
- 出版时间：February 2013
- 年：2013
- 卷：22
- 期：1
- 页码：13-22
- 全文大小：773KB
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12. Jin, H. L.: 鈥淎pplication of circumferentional average method in multistage axial fan/compressor design and analysis,鈥?Ph.D. thesis, Beijing University of Aeronautics and Astronautics, Beijing (2011). - 作者单位：Ke Wan (1)
Hailiang Jin (2)
Donghai Jin (1)
Xingmin Gui (1)
1. Aeroengine Numerical Simulation Research Center, Beijing University of Aeronautics and Astronautics, Beijing, 100191, China
2. China Aviation Powerplant Research Institute, Zhuzhou, 412002, China - ISSN：1993-033X
文摘
The governing equations are derived by circumferentially averaging the three-dimensional (3D) Navier-Stokes equations, which are solved using a time marching finite volume approach. Both Euler throughflow model and Navier-Stokes (N-S) throughflow model are employed to investigate the performance and flow fields of a highly loaded transonic single-stage fan ATS-2 and a four-stage fan. The results are compared with the experimental and three-dimensional computational results. It shows that the throughflow models can provide reasonable performance characteristics and N-S throughflow model gives better predictions in endwall regions. A throughflow computation in which all the non-axisymmetric terms are included has been performed at off-design condition and the radial distributions of the flow field can be well described.