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Local Piston Theory with Viscous Correction and Its Application
Liu W(刘文); Zhang CA(张陈安); Han HQ; Wang FM(王发民); Zhang, CA (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab High Temp Gas Dynam, Beijing 100190, Peoples R China.
Source PublicationAIAA Journal
2017-03
Volume55Issue:3Pages:942-954
ISSN0001-1452
Abstract
This paper introduces a local piston theory with viscous correction for the prediction of hypersonic unsteady aerodynamic loads at high attitudes and large Mach numbers. A semi-empirical relation accounting for the viscous interaction effects to determine the effective shape is proposed. The method is validated by applying to thin airfoils at various Mach numbers, angles of attack, and operating altitudes. Sample two- and three-dimensional aerodynamic forces calculations are conducted demonstrating this method. Furthermore, flutter boundary predictions for a two-dimensional airfoil and pitching-in-damping derivative evaluations for a three-dimensional waverider configuration are performed with this unsteady aerodynamic model. Compared with the Euler-based local piston theory, this model performs much better at high altitudes for a wide range of Mach numbers, angles of attack, and shapes. Results suggest the feasibility of using the effective shape of hypersonic vehicles to efficiently and accurately obtain the unsteady aerodynamic characteristics in hypersonic flow environment.
KeywordHypersonic Unsteady Aerodynamics Piston Theory Aeroelasticity
Subject Area空气动力学 ; 航空、航天科学技术基础学科其他学科
DOI10.2514/1.J055207
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000400284500022
DepartmentLHD高超声速空气动力学
Classification一类/力学重要期刊
Ranking1
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/60041
Collection高温气体动力学国家重点实验室
Corresponding AuthorZhang, CA (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab High Temp Gas Dynam, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Liu W,Zhang CA,Han HQ,et al. Local Piston Theory with Viscous Correction and Its Application[J]. AIAA Journal,2017,55(3):942-954.
APA 刘文,张陈安,Han HQ,王发民,&Zhang, CA .(2017).Local Piston Theory with Viscous Correction and Its Application.AIAA Journal,55(3),942-954.
MLA 刘文,et al."Local Piston Theory with Viscous Correction and Its Application".AIAA Journal 55.3(2017):942-954.
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