翼身融合布局飞机机体-发动机气动干扰效应

doi:10.7527/S1000-6893.2019.23063

翼身融合民机技术专栏

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翼身融合布局飞机机体-发动机气动干扰效应

周翰玮¹, 陈勇¹, 谭兆光¹, 司江涛¹, 李杰², 李栋²

1. 中国商用飞机有限责任公司上海飞机设计研究院, 上海 201210;
2. 西北工业大学航空学院, 西安 710072

收稿日期:2019-03-25 修回日期:2019-04-04 出版日期:2019-09-15 发布日期:2019-05-22
通讯作者: 陈勇 E-mail:chenyong@comac.cc

Fuselage-engine aerodynamic interference effects of blended-wing-body aircraft

ZHOU Hanwei¹, CHEN Yong¹, TAN Zhaoguang¹, SI Jiangtao¹, LI Jie², LI Dong²

1. Shanghai Aircraft Design and Research Institute, Commercial Aircraft Corporation of China, Ltd., Shanghai 201210, China;
2. School of Aeronautics, Northwestern Polytechnical University, Xi'an 710072, China

Received:2019-03-25 Revised:2019-04-04 Online:2019-09-15 Published:2019-05-22

摘要/Abstract

摘要： 翼身融合（BWB）布局飞机是一种相对较新的飞行器概念，具有商业运输飞机的潜在用途。研究表明，翼身融合布局客机可获得比常规布局客机更好的性能。但是，由于各方面限制，BWB飞机不宜使用传统的机翼安装或机身安装的发动机布局，发动机背部安装成为首选布局。然而，背部安装发动机容易产生激波、分离、进气畸变等空气动力干扰问题，发动机与机身一体化的气动设计已成为BWB飞机发展的关键技术。针对BWB布局飞机的机体和发动机之间的气动干扰进行了数值研究，结果表明，背部安装发动机对BWB布局飞机的全机气动特性和发动机本身的推力性能都会产生较为明显的影响。

关键词: 翼身融合布局, 客机, 飞发一体化, 气动干扰, 计算流体力学

Abstract: Blended-Wing-Body (BWB) configuration aircraft is a relatively new concept of aircraft, with the potential use in commercial transport aircraft. Research shows better performance in BWB aircraft than in normal configurations. However, due to various restrictions, BWB aircraft is not suitable for the use of traditional wing-mounted or fuselage-mounted engine layout, preferring the back-mounted engine. However, the back-mounted engine results in some aerodynamic interference problems, such as shock waves, separation, and inlet distortion. The integrated aerodynamic design of engine and fuselage has become the key technology for BWB aircraft development. In this paper, a numerical study is carried out on the aerodynamic interference between the fuselage and the engine of a BWB layout aircraft. The results show that the back-mounted engine has a significant impact on the aerodynamic characteristics of the BWB configuration aircraft and the thrust performance of the engine itself.

Key words: blend-wing-body configuration, civil aircraft, fuselage-engine integration, aerodynamic interference, computational fluid dynamics

中图分类号:

V223.2

周翰玮, 陈勇, 谭兆光, 司江涛, 李杰, 李栋. 翼身融合布局飞机机体-发动机气动干扰效应[J]. 航空学报, 2019, 40(9): 623063-623063.

ZHOU Hanwei, CHEN Yong, TAN Zhaoguang, SI Jiangtao, LI Jie, LI Dong. Fuselage-engine aerodynamic interference effects of blended-wing-body aircraft[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2019, 40(9): 623063-623063.

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翼身融合布局飞机机体-发动机气动干扰效应

Fuselage-engine aerodynamic interference effects of blended-wing-body aircraft

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