中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Design of a new supersonic biplane

文献类型:期刊论文

作者Zhai J2; Zhang CA(张陈安)1; Wang FM(王发民)1; Zhang WW2
刊名Acta Astronautica
出版日期2020-10
卷号175期号:10页码:216-233
DOI10.1016/j.actaastro.2020.05.010
英文摘要

A classic Busemann biplane, consisting of two isosceles-triangle airfoils, can effectively reduce wave-drag and sonic boom in the design condition by correctly placing its lower and upper airfoils. However, its aerodynamic performance dramatically decreases in the off-design conditions due to the flow choking problem. This study presents a new supersonic biplane aiming to produce as low wave-drag as the Busemann biplane in the design condition and to weaken the flow choking problem in the off-design conditions. It places a flat-plate in the middle of the Busemann biplane and removes the upper isosceles-triangle airfoil, so it consists of an isosceles-triangle airfoil and a flat-plate. The design method defines the position between the isosceles-triangle airfoil and the flat-plate as well as the length of the flat-plate by the oblique shock function and Prandtl-Meyer function. In the design condition, the new supersonic biplane has the same wave-cancellation effect as the Busemann biplane. Besides, in the off-design conditions, it also has a weaker flow choking problem due to a higher ratio of the throat area to the inlet area. The numerical results show that it has lower drag, higher lift-to-drag ratio, and is easier to start than the Busemann biplane.

分类号二类/Q1
URL标识查看原文
语种英语
源URL[http://dspace.imech.ac.cn/handle/311007/81957]  
专题力学研究所_高温气体动力学国家重点实验室
空天飞行科技创新研究中心(筹)
通讯作者Zhai J
作者单位1.Institute of Mechanics, Chinese Academy of Sciences, Beijing, 100190, People's Republic of China
2.National Key Laboratory of Aerodynamic Design and Research, Northwestern Polytechnical University, Xi'an, Shaanxi, 700072, People's Republic of China
推荐引用方式
GB/T 7714
Zhai J,Zhang CA,Wang FM,et al. Design of a new supersonic biplane[J]. Acta Astronautica,2020,175(10):216-233.
APA Zhai J,Zhang CA,Wang FM,&Zhang WW.(2020).Design of a new supersonic biplane.Acta Astronautica,175(10),216-233.
MLA Zhai J,et al."Design of a new supersonic biplane".Acta Astronautica 175.10(2020):216-233.

入库方式: OAI收割

来源:力学研究所

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