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. | |
发表期刊 | AIAA Journal |
2017-03 | |
卷号 | 55期号:3页码:942-954 |
ISSN | 0001-1452 |
摘要 |
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. |
关键词 | Hypersonic Unsteady Aerodynamics Piston Theory Aeroelasticity |
学科领域 | 空气动力学 ; 航空、航天科学技术基础学科其他学科 |
DOI | 10.2514/1.J055207 |
URL | 查看原文 |
收录类别 | SCI ; EI |
语种 | 英语 |
WOS记录号 | WOS:000400284500022 |
课题组名称 | LHD高超声速空气动力学 |
论文分区 | 一类/力学重要期刊 |
力学所作者排名 | 1 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://dspace.imech.ac.cn/handle/311007/60041 |
专题 | 高温气体动力学国家重点实验室 |
通讯作者 | Zhang, CA (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab High Temp Gas Dynam, Beijing 100190, Peoples R China. |
推荐引用方式 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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