翼身融合布局飞机总体参数对气动性能的影响

doi:10.7527/S1000-6893.2015.0301

方案设计与多学科分析

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翼身融合布局飞机总体参数对气动性能的影响

蒋瑾^1,2, 钟伯文¹, 符松²

1. 中国商飞北京民用飞机技术研究中心总体论证研究部, 北京 102211;
2. 清华大学航天航空学院, 北京 100084

收稿日期:2015-10-21 修回日期:2015-11-04 出版日期:2016-01-25 发布日期:2015-11-19
通讯作者: 钟伯文,Tel.:010-57808802,E-mail:zhongbowen@comac.cc E-mail:zhongbowen@comac.cc
作者简介:蒋瑾男,博士。主要研究方向:计算空气动力学。Tel:010-57808780,E-mail:smartdingo@163.com;钟伯文男,博士,研究员。主要研究方向:飞机总体设计,计算空气动力学。Tel:010-57808802,E-mail:zhongbowen@comac.cc

Influence of overall configuration parameters on aerodynamic characteristics of a blended-wing-body aircraft

JIANG Jin^1,2, ZHONG Bowen¹, FU Song²

1. Department of Aircraft Configuration Studies, Beijing Aeronautical Science & Technology Research Institute of COMAC, Beijing 102211, China;
2. School of Aerospace Engineering, Tsinghua University, Beijing 100084, China

Received:2015-10-21 Revised:2015-11-04 Online:2016-01-25 Published:2015-11-19

摘要/Abstract

摘要：

翼身融合布局是一种极具潜力和竞争力的新布局型式,该种布局型式飞机的总体参数对其自身的气动性能有重要影响,有必要开展相关的影响规律研究。本文基于某一翼身融合布局飞机概念方案,采用快速数值方法模拟了不同气动外形的高速流动,分析了总体参数(主要包括机翼面积、展弦比和外翼前缘后掠角)等对飞机高速气动性能的影响。结果表明,可以通过改变展弦比和机翼面积显著地改善气动性能,但未发现外翼前缘后掠角的改变与气动性能的改善有明显的关联。

关键词: 翼身融合布局, 总体参数, 气动性能, 飞机, 概念设计

Abstract:

As an potential and competent contender,overall configuration parameters of Blend-Wing-Body(BWB)aircraft play an important role in its aerodynamic characteristics.So it is necessary to reveal the trends of the influence of overall parameters on its performance.In this paper,the influence of some aerodynamic configuration parameters,including trapezoidal wing area,aspect ratio,sweep angle of outer-wing leading edge,on the high-speed aerodynamic characteristics of a conceptual BWB civil aircraft was analyzed using fast numerical simulation method.Results show that aspect ratio and trapezoidal wing area are of particular significance in the improvement of aerodynamic performance while variation on sweep of out-wing leading edge leads to slight performance change and does not identify a clear changing relationship.

Key words: blended-wing-body, overall configuration parameters, aerodynamic characteristics, aircraft, conceptual design

中图分类号:

V211

蒋瑾, 钟伯文, 符松. 翼身融合布局飞机总体参数对气动性能的影响[J]. 航空学报, 2016, 37(1): 278-289.

JIANG Jin, ZHONG Bowen, FU Song. Influence of overall configuration parameters on aerodynamic characteristics of a blended-wing-body aircraft[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2016, 37(1): 278-289.

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主管单位：中国科学技术协会主办单位：中国航空学会北京航空航天大学

翼身融合布局飞机总体参数对气动性能的影响

Influence of overall configuration parameters on aerodynamic characteristics of a blended-wing-body aircraft

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