Numerical simulation of flow control in lift-increase effect using air-blowing

ZHU Xiaojun; LI Feng; OU Dongbin; ZHOU Kai; LU Zhiliang

doi:10.7638/kqdlxxb-2018.0056

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Numerical simulation of flow control in lift-increase effect using air-blowing

更新时间：2026-05-28

- Numerical simulation of flow control in lift-increase effect using air-blowing
- Vol. 38, Issue 1, Pages: 66-72(2020)
- 作者机构：
  
  1. 中国航天空气动力技术研究院,北京,100074
  2. 南京航空航天大学航空学院,江苏,南京,210016
- 作者简介：
- 基金信息：
- DOI：10.7638/kqdlxxb-2018.0056
  CLC： V211.3
- Published：2020
- 稿件说明：
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朱晓军, 李锋, 欧东斌, 周凯, 陆志良. 喷流流动控制增升效应数值模拟[J]. 空气动力学学报, 2020, 38(1): 66-72.

ZHU Xiaojun, LI Feng, OU Dongbin, et al. Numerical simulation of flow control in lift-increase effect using air-blowing[J]. 2020, 38(1): 66-72.
朱晓军, 李锋, 欧东斌, 周凯, 陆志良. 喷流流动控制增升效应数值模拟[J]. 空气动力学学报, 2020, 38(1): 66-72. DOI： 10.7638/kqdlxxb-2018.0056.

ZHU Xiaojun, LI Feng, OU Dongbin, et al. Numerical simulation of flow control in lift-increase effect using air-blowing[J]. 2020, 38(1): 66-72. DOI： 10.7638/kqdlxxb-2018.0056.

摘要

飞机的增升系统是影响其起降性的重要因素，为了研究飞机下表面喷流流动控制增升效应，采用数值模拟方法与结构网格求解不可压Navier-Stokes方程，对NACA0012翼型和机翼进行研究。通过改变喷气口的参数来研究其对翼型和机翼气动特性的影响。对于翼型，主要研究喷气口速度和位置对翼型气动特性的影响；对于机翼，主要研究喷气口区域沿展向分布和喷气速度对机翼气动特性和能量利用率的影响。计算结果表明：采用喷气控制可以获得较好的气动特性，增升效果也比较明显，控制效果和上述几个参数均有一定关系。本次研究为机翼喷气口设计以及机翼局部喷气控制展向分布的选取提供了依据。

Abstract

The lift-increase system of aircraft is an important factor to affect the landing of the aircraft. In order to study the lift-increase effect on an aircraft with a jet from its lower surface

numerical simulation methods and structural grid are adopted to solve the Navier-Stokes equations to research on the NACA0012 airfoil and wing. The parameters of the air-blowing port are changed to study the impact of these parameters on the aerodynamic characteristics of airfoil and wing. For the airfoil

the impact of air-blowing port velocity and location on the aerodynamic characteristics of the airfoil is mainly investigated; for the wing

the impact of air-blowing port spanwise distribution and velocity on the aerodynamic characteristics of the wing and energy utilization rate is mainly studied. The results show that

using blowing control can get a better aerodynamic characteristic

and the lift-effect is relatively obvious. Moreover

the effect of air-blowing control has a certain relationship with the parameters above. A basis for the jet design and the selection of jet position along the wing is provided in this study.

关键词

Keywords

references

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