某型飞机进气道地面涡畸变流动特性

赵海刚; 刘雨; 王俊琦; 杨柳; 任丁丁

doi:10.13224/j.cnki.jasp.20200429

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某型飞机进气道地面涡畸变流动特性

气动热力学与总体设计 | 更新时间：2025-04-07

- 某型飞机进气道地面涡畸变流动特性
- Ground vortex distortion flow characteristics of inlet for a transport aircraft
- 航空动力学报 2021年36卷第8期页码：1720-1728
- 作者机构：
  
  中国航空工业集团公司有限公司中国飞行试验研究院，西安 710089
- 作者简介：
  
  赵海刚（1979-），男，高级工程师，硕士生，从事航空涡轴类发动机工作特性试飞技术研究。
- 基金信息：
  
  国家科技重大专项（2017⁃Ⅴ⁃0001⁃0050）
- DOI：10.13224/j.cnki.jasp.20200429
  中图分类号：
- 稿件说明：
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赵海刚, 刘雨, 王俊琦, 等. 某型飞机进气道地面涡畸变流动特性[J]. 航空动力学报, 2021,36(8):1720-1728.

Haigang ZHAO, Yu LIU, Junqi WANG, et al. Ground vortex distortion flow characteristics of inlet for a transport aircraft[J]. Journal of Aerospace Power, 2021, 36(8): 1720-1728.
赵海刚, 刘雨, 王俊琦, 等. 某型飞机进气道地面涡畸变流动特性[J]. 航空动力学报, 2021,36(8):1720-1728. DOI： 10.13224/j.cnki.jasp.20200429.

Haigang ZHAO, Yu LIU, Junqi WANG, et al. Ground vortex distortion flow characteristics of inlet for a transport aircraft[J]. Journal of Aerospace Power, 2021, 36(8): 1720-1728. DOI： 10.13224/j.cnki.jasp.20200429.

摘要

以配装大涵道比涡扇发动机的某型运输机在未铺装跑道静止开车、滑行等实战使用环境为背景，建立了全尺寸三维仿真计算模型，通过数值仿真，分析研究了风速、风向以及滑跑速度对该型飞机进气道地面涡的流动特性及发动机进口畸变特性的影响。结果表明：该型运输机270°侧风条件下，随着风速的增加，地面涡强度呈现先增加后减小的规律，风速为2~4 m/s时强度最大，风速在6 m/s以上地面涡特性消失；风速为3 m/s时，在风向为210°左右地面涡强度达到最大，外物吸入能力最高，其导致的进气道出口周向压力畸变最强。该型运输机滑行状态相对于其静止、逆风环境，地面涡的范围、强度均较小，对进气道出口流场品质也影响较弱。

Abstract

Based on idle and engine driving of a military transport aircraft equipped with a large bypass ratio turbofan engine in unpaved runway ground，a full⁃scale three⁃dimensional simulation model was established，By means of numerical simulation，the ground vortex distortion flow characteristics under different wind speed，wind direction and running speed were studied.The result showed that the ground vortex intensity first increased and then decreased under the 270 degree crosswind condition.The ground vortex intensity was maximal under wind speed range from 2 m/s to 4 m/s.The ground vortex disappeared when wind speed was more than 6 m/s.The ground vortex intensity was maximal and it had strongest suction capacity to foreign objects at 210 degree wind direction under the wind speed of 3 m/s.Also it had greatest influence on the inlet's outlet flow field.The ground vortex intensity and scope was weak under the condition of aircraft running compared with stationary，headwind.

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references

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