周期性激励控制翼型流动分离研究综述

刘志勇; 罗振兵; 袁先旭; 涂国华

doi:10.6052/1000-0992-19-019

周期性激励控制翼型流动分离研究综述

doi: 10.6052/1000-0992-19-019

刘志勇^1,2,
罗振兵^1,†, ,,
袁先旭²,
涂国华²

¹ 国防科技大学空天科学学院, 长沙 410073
² 中国空气动力研究与发展中心, 四川绵阳 621000

基金项目:

国家自然科学基金资助项目 (11872374, 11602299).

详细信息

作者简介:
罗振兵, 教授, 博士生导师, 国防科技大学空天科学学院主动流动控制技术团队学术带头人, 军委科技委国防科技创新特区领域专家, 主要从事主动流动控制、主动热管理、临近空间飞行器以及冲压发动机技术研究, 发表论文100余篇, 授权发明专利20余项, 获部委级科技进步一等奖2项、二等奖2项, 荣立二等功1次. 2000年、2002年、2006年分别获国防科学技术大学本科、硕士、博士学位, 2003年获首届全军优秀硕士学位论文奖, 2009年获全国百篇优秀博士学位论文奖. 担任《空气动力学学报》和《实验流体力学》首届青年编委会主任、Chinese Journal of Aeronautics和《航空学报》首届青年编委、《空气动力学学报》和《气体物理》编委等.

通讯作者:
罗振兵

中图分类号: V11
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出版历程
- 收稿日期: 2019-10-21
- 刊出日期: 2020-10-08

Review of controlling flow separation over airfoils with periodic excitation

LIU Zhiyong^1,2,
LUO Zhenbing^{1,†
, ,},
YUAN Xianxu²,
TU Guohua²

¹ College of Aerospace Science and Engineering, National University of Defense Technology, Changsha 410073, China
² China Aerodynamics Research and Development Center, Mianyang 621000, Sichuan, China

More Information

Corresponding author: LUO Zhenbing

摘要

摘要: 主动流动控制技术是21世纪最具发展潜力的航空航天技术之一,未来可以作为飞行器设计的一个新自由度.将主动流动控制技术应用于翼型流动分离控制,在基础研究与应用研究方面具有重要意义.鉴于周期性激励的能量效率高、应用方便,本文对周期性激励控制翼型流动分离的研究进行综述, 介绍了评估参数,讨论了激励频率、强度、施加位置和雷诺数的影响.接着介绍了文献中提出的三个值得注意的方面: 一是能量效率评估标准,可以指导对激励器和控制策略的选择; 二是声学激励模态,在高频激励下发现扰动以声波为主, 可能使流动分离恶化;三是阻力异常现象, 在某种条件下发现有激励时形阻大于总阻的情况.最后梳理了下一步研究的重点方向.本文可为采用周期性激励进行流动分离控制提供参考.
- 周期性激励 /
- 流动分离 /
- 主动流动控制 /
- 翼型 /
- 剪切层
Abstract: Active flow control is one of the most promising techniques that are employed in aeronautics and astronautics engineering in the 21st century. It will be a new degree of freedom of design for future air vehicles. Using this technique to control flow separation over airfoils is very meaningful for both fundamental research and applied research. Since periodic excitation is an efficient and convenient control method, it is significant to review the investigations on controlling flow separation over airfoils with periodic excitation. An evaluating parameter is introduced firstly, which is followed by some discussions about excitation frequency, intensity, location, and Reynolds number. Three aspects which are extracted from publications and should receive appropriate attention are presented. One is the evaluation criterion of efficiency, which can guide the design of forcing devices and operation modes. Another is the acoustic-dominated mode, which is observed in the high-frequency forcing cases. This mode may exacerbate flow separation. The third one is a phenomenon of drag anomaly that, in certain conditions, form drag is larger than total drag with excitation. At last, some recommendations for future research are made. This review is helpful for applications of flow separation control with periodic excitation.
- periodic excitation /
- flow separation /
- active flow control /
- airfoil /
- shear layer

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参考文献(85)

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