A design method of mixed flow fan for helicopters

LI Ming; GAO Hong-xia; YU Jian-zu; CHANG Li

Chinese

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A design method of mixed flow fan for helicopters

更新时间：2026-07-07

- A design method of mixed flow fan for helicopters
- Vol. 24, Issue 11, (2009)
- 作者机构：
  
  1. 北京航空航天大学航空科学与工程学院,北京,100191
  2. 中国航空工业集团公司中国航空直升机设计研究所,景德镇,333001
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2009
- 稿件说明：
移动端阅览
LI Ming, GAO Hong-xia, YU Jian-zu, et al. A design method of mixed flow fan for helicopters[J]. 2009, 24(11).
DOI：

LI Ming, GAO Hong-xia, YU Jian-zu, et al. A design method of mixed flow fan for helicopters[J]. 2009, 24(11). DOI：

摘要

斜流风机的良好设计对提高直升机滑油冷却系统运行效率具有重要意义.针对直升机用斜流风机小尺寸、高转速、高压头的特点

根据准三元流动理论及相关设计思想

提出了这种风机进行结构优化和增压设计的准则

进而采用叶片径向平衡方程和约束条件求解子午面速度

最后基于气动力基本方程和自由涡理论进行回转面气动数据计算和风机造型.设计结果表明

在相同的直升机冷却风机运行工况下

斜流风机相对于轴流、离心风机

具有效率高、静压高和耗功少的优点.

Abstract

The excellent design of mixed flow fan is a key to the performance of oil cooling system of helicopter.Based on quasi-three dimensional flow theory and related design ideas

the principle of configuration optimization and pressurization design was provided for the mixed flow fan

which has characteristics of small size

high rotating speed and high pressure.Then

the radial balance equations and the constraint conditions were employed to calculate the meridional velocity.And finally the aerodynamic data were calculated and the geometry of fan was built based on the aerodynamic fundamental equation and the free vortex theory.Compared with axial flow and centrifugal fan

the design results show that the mixed flow fan has the advantages of high efficiency

high static pressure and power saving under the same work condition of lubrication cooling system of helicopter.

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Related Author

GAO Hong-xia

YU Jian-zu

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ZHANG Wei

WANG Fei

ZHAO Qijun

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CAO Yihua

Related Institution

School of Aeronautical Science and Technology, Beijing University of Aeronautics and Astronautics

China Helicopter Research and Development Institute, Aviation Industry Corporation of China, Limited

National Laboratory of Science and Technology on Rotorcraft Aeromechanics, Nanjing University of Aeronautics and Astronautics

北京航空航天大学航空科学与工程学院

中国人民解放军63983部队

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