某高负荷跨声双级风扇气动设计与数值模拟

金海良; 金东海; 桂幸民

某高负荷跨声双级风扇气动设计与数值模拟

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研究中心,北京 100191

基金项目: 国家自然科学基金(50676004,50736007)

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- 被引次数: 0
出版历程
- 收稿日期: 2010-01-22
- 修回日期: 2010-04-29
- 刊出日期: 2011-02-28

Aerodynamic design and numerical simulation of a highly loaded transonic two-stage fan

Aeroengine Numerical Simulation Research Center,School of Jet Propulsion, Beijing University of Aeronautics and Astronautics,Beijing 100191,China

摘要

摘要: 介绍了某变循环发动机的高负荷跨声双级风扇的设计过程和设计结果,详细讨论了设计过程中关键参数的选取,采用基于S_2m流面的流线曲率方法和任意叶片造型方法进行了通流设计和叶片造型.为了提高风扇的效率和失速裕度,转子和静子的设计采用了掠形技术.三维数值模拟结果表明,双级风扇的性能参数除绝热效率外,均达到了设计指标的要求,并且在80%设计转速以上具有较高的峰值效率.
- 变循环发动机 /
- 高负荷 /
- 跨声 /
- 双级风扇 /
- 气动设计 /
- 数值模拟
Abstract: The design procedure and result of a highly loaded transonic two-stage fan for a variable cycle engine were presented.The selection of key parameters was discussed during the design procedure.The throughflow calculation and blade design were completed using the S_2m streamsurface-based streamline curvature method and arbitrary camber lines blading method.The design strategies of swept rotors and stators were adopted to improve the efficiency and stall margin of the fan.Three-dimensional computation results indicate that the design targets of the two-stage fan are achieved except for the adiabatic efficiency.The fan has relatively high peak efficiencies above 80% rotating speed.
- variable cycle engine /
- highly loaded /
- transonic /
- two-stage fan /
- aerodynamic design /
- numerical simulation

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参考文献(18)

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