弹性前掠翼开裂式方向舵操纵特性分析

doi:10.13700/j.bh.1001-5965.2017.0142

北京航空航天大学学报 ›› 2017, Vol. 43 ›› Issue (9): 1849-1858.doi: 10.13700/j.bh.1001-5965.2017.0142

弹性前掠翼开裂式方向舵操纵特性分析

马斌麟¹, 苏新兵¹, 冯浩洋^1,2, 王宁¹, 张亚光¹

1. 空军工程大学航空航天工程学院, 西安 710038;
2. 中国人民解放军93427部队, 北京 101100

收稿日期:2017-03-13 出版日期:2017-09-20 发布日期:2017-09-28
通讯作者: 苏新兵,E-mail:sxinbing01@163.com E-mail:sxinbing01@163.com
作者简介:马斌麟,男,硕士研究生;主要研究方向:飞行器设计及计算流体力学;苏新兵,男,博士,副教授,硕士生导师;主要研究方向:飞行器设计及计算流体力学
基金资助:
国家自然科学基金（11402301）；陕西省自然科学基础研究计划（2015JM1005）

Control characteristics analysis of split rudder of elastic forward swept wing

MA Binlin¹, SU Xinbing¹, FENG Haoyang^1,2, WANG Ning¹, ZHANG Yaguang¹

1. College of Aeronautics and Astronautics Engineering, Air Force Engineering University, Xi'an 710038, China;
2. Unit 93427, The Chinese People's Liberation Army, Beijing 101100, China

Received:2017-03-13 Online:2017-09-20 Published:2017-09-28
Supported by:
National Natural Science Foundation of China (11402301); Natural Science Basic Research Plan in Shaanxi Province of China (2015JM1005)

摘要/Abstract

摘要： 针对机翼弹性变形对前掠翼（FSW）飞行器开裂式方向舵操纵特性的影响，基于计算流体力学/计算结构力学（CFD/CSD）松耦合静气动弹性数值计算方法，计算了亚声速条件下刚性和弹性前掠机翼开裂式方向舵的操纵特性，并分析了机翼弯扭变形对方向舵操纵特性的影响。计算结果表明，右侧开裂式方向舵打开后，与刚性翼相比，弹性翼的失速迎角提前约2°，达到最大升阻比的迎角提前约1°，小迎角时偏航作用增强，出现右滚力矩和滚转力矩"凹坑"现象，大迎角时偏航规律趋势提前约8°，滚转作用加剧；侧滑角增大时，偏航力矩减小的幅度大于刚性翼，滚转力矩完全反效；舵偏角增大时，偏航力矩的增幅小于刚性翼。经比较，在弹性变形影响下，弹性前掠翼的开裂式方向舵操纵特性与刚性前掠翼有明显区别。

关键词: 前掠翼(FSW), 弹性变形, 计算流体力学/计算结构力学(CFD/CSD)松耦合, 开裂式方向舵, 操纵特性

Abstract: Aimed at the influence of elastic deformation on the control characteristics of split rudder for the forward swept wing (FSW) aircraft, the computational fluid dynamics/computational structural dynamics (CFD/CSD) loose coupling static aeroelastic numerical calculation method was adopted. The calculation and analysis on control characteristics of the split rudder with rigid and elastic wings were performed under the subsonic condition. The simulation had highlighted the influence of wing deformation on the control characteristics of the rudder. The calculation result shows that, when the right side split rudder opens, compared with rigid wing, the stall attack angle of the elastic wing advances about 2°, the attack angle of maximum lift-drag ratio advances about 1°, the yaw effect at small attack angle is enhanced, the "pits" phenomenon of right-roll moment and roll moment appears, and the trend of yaw at high angle of attack advances about 8° with more violent roll action; under the influence of sideslip, the decrease extent of the yawing moment with the increase of sideslip angle is larger than that of the rigid wing, and the roll moment has completely opposite result; under the action of down moment proving by rudder, the increase extent of the yawing moment with the increase of sideslip angle is larger than that of the rigid wing. By comparison, the control characteristics of split rudder for the elastic FSW have a distinct difference with rigid FSW.

Key words: forward swept wing (PSW), elastic deformation, computational fluid dynamics/computational structural dynamics (CFD/CSD) loose coupling, split rudder, control characteristics

中图分类号:

V221.3

马斌麟, 苏新兵, 冯浩洋, 王宁, 张亚光. 弹性前掠翼开裂式方向舵操纵特性分析[J]. 北京航空航天大学学报, 2017, 43(9): 1849-1858.

MA Binlin, SU Xinbing, FENG Haoyang, WANG Ning, ZHANG Yaguang. Control characteristics analysis of split rudder of elastic forward swept wing[J]. JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2017, 43(9): 1849-1858.

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弹性前掠翼开裂式方向舵操纵特性分析

Control characteristics analysis of split rudder of elastic forward swept wing

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