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Longitudinal aerodynamic modeling and verification for air-launch-to-orbit system during stage separation

文献类型：期刊论文

作者Yang L(杨磊)3,4; Ye, Zhengyin1; Li WH(李文皓)3,4; Sun QH(孙泉华)2,4
刊名AEROSPACE SCIENCE AND TECHNOLOGY
出版日期2021-10-01
卷号117页码:21
关键词Store separation Aerodynamic modeling Interference aerodynamics Dynamic simulation Air-launch-to-orbit
ISSN号1270-9638
DOI10.1016/j.ast.2021.106915
通讯作者Yang, Lei(yanglei@imech.ac.cn)
英文摘要The stage separation is one of key issues for air-launch-to-orbit system. In this process, the elastic deformation of carrier causes periodic pulsation in interference aerodynamics and may lead to modal coupling and dynamics instability of spacecraft. The dynamic responses and stability of the two vehicles should be considered carefully. The CFD-based dynamic simulation method has high accuracy but requires large computation cost. In this study, a new reduced-order modeling method is developed, which is for unsteady aerodynamics of the air-launch-to-orbit system with considering the elastic deformations of carrier. Based on the physical mechanism of interference aerodynamics factors, the model input parameters are decoupled and the modeling difficulty is reduced. By coupling the unsteady aerodynamic model, structural dynamics equations and rigid body dynamic equations, the longitudinal dynamic responses of air-launch-to-orbit system during stage separation are simulated. Through comparison, those results have good agreement with traditional CFD-based method, and the simulation efficiency of new method is improved greatly. The new modeling method is applicable to the air-launch-to-orbit system and can provide guidance for similar engineering issues. (C) 2021 Elsevier Masson SAS. All rights reserved.
分类号一类
WOS关键词DEFORMATION ; STORE
资助项目Strategic Priority Research Program of Chinese Academy of Sciences[XDA17030100]
WOS研究方向Engineering
语种英语
WOS记录号WOS:000687130700003
资助机构Strategic Priority Research Program of Chinese Academy of Sciences
其他责任者Yang, Lei
源URL[http://dspace.imech.ac.cn/handle/311007/87380]  
专题力学研究所_高温气体动力学国家重点实验室
宽域飞行工程科学与应用中心
作者单位1.Northwestern Polytech Univ, Sch Aeronaut, Natl Key Lab Aerodynam Design & Res, Xian 710072, Peoples R China
2.Chinese Acad Sci, Inst Mech, State Key Lab High Temp Gas Dynam, Beijing 100190, Peoples R China;
3.Chinese Acad Sci, Inst Mech, Key Lab Mech Adv Mfg, Beijing 100190, Peoples R China;
4.Chinese Acad Sci, Inst Mech, Lab Aerosp Sci & Technol, Beijing 100190, Peoples R China;
推荐引用方式
GB/T 7714		 Yang L,Ye, Zhengyin,Li WH,et al. Longitudinal aerodynamic modeling and verification for air-launch-to-orbit system during stage separation[J]. AEROSPACE SCIENCE AND TECHNOLOGY,2021,117:21.
APA 杨磊,Ye, Zhengyin,李文皓,&孙泉华.(2021).Longitudinal aerodynamic modeling and verification for air-launch-to-orbit system during stage separation.AEROSPACE SCIENCE AND TECHNOLOGY,117,21.
MLA 杨磊,et al."Longitudinal aerodynamic modeling and verification for air-launch-to-orbit system during stage separation".AEROSPACE SCIENCE AND TECHNOLOGY 117(2021):21.

入库方式： OAI收割

来源：力学研究所

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