### 周向平均方法在某风扇/增压级分析中的应用

1. 北京航空航天大学 能源与动力工程学院 航空发动机数值仿真中心, 北京 100191
• 收稿日期:2013-04-09 修回日期:2013-07-04 出版日期:2014-01-25 发布日期:2013-07-15
• 通讯作者: 桂幸民，Tel.：010-82339387 E-mail：guixm@buaa.edu.cn E-mail:guixm@buaa.edu.cn
• 作者简介:万科 男，博士研究生。主要研究方向：叶轮机周向平均方法。Tel：010-82316082 E-mail：wanke328@126.com；朱芳 女，博士研究生。主要研究方向：风扇/增压级气动设计。Tel：010-82316082 E-mail：zhufang@sjp.buaa.edu.cn；金东海 男，博士，副教授。主要研究方向：风扇/压气机气动优化设计、数值模拟。Tel：010-82339391-109 E-mail：jdh@buaa.edu.cn；桂幸民 男，教授，博士生导师。主要研究方向：高负荷跨声压气机流动机理，气动设计技术与数值模拟，实验测试技术。Tel：010-82339387 E-mail：guixm@buaa.edu.cn
• 基金资助:

国家自然科学基金（50736007，51006005，51236001）

### Application of Circumferentially Averaged Method in Fan/Booster

WAN Ke, ZHU Fang, JIN Donghai, GUI Xingmin

1. Aeroengine Numerical Simulation Research Center, School of Energy and Power Engineering, Beihang University, Beijing 100191, China
• Received:2013-04-09 Revised:2013-07-04 Online:2014-01-25 Published:2013-07-15
• Supported by:

National Natural Science Foundation of China (50736007, 51006005, 51236001)

Abstract:

The governing equations of a throughflow model are derived by circumferentially averaging the three-dimensional (3D) Navier-Stokes equations, which are solved using a time marching finite volume approach. In order to rapidlly obtain the performance predictions and flow fields of fan/booster in the preliminary design stage, the rebiability of circumferentially averaged method (CAM) is investigated. A high throughflow fan/booster is evaluated by 3D numerical simulation NUMECA and a circumferentially averaged throughflow model. The results reveal that the performance predicted by NUMECA at the near design point is very close to the 3D results, with a maximum error under 2.0%. As the passage shock can be captured by circuferentially averaged method in the fan, which is physically at variance with the 3D averaged results, the total pressure ratio and adiabatic efficiency radial distributions are somewhat different from the 3D computation results. In the subsonic flow, the radial distributions of blade rows in the booster and bypass fit well with the 3D simulation results.