AERODYNAMIC MODELING OF OSCILLATING WING IN HYPERSONIC FLOW: A NUMERICAL STUDY

被引：0
|
作者：
Zhu Jian [1 ]
Hou Ying-Yu [2 ]
Ji Chen [1 ]
Liu Zi-Qiang [1 ]
机构：
[1] China Acad Aerosp Aerodynam, Beijing, Peoples R China
[2] Beijing Inst Machine & Electron, Beijing, Peoples R China
来源：
PROCEEDINGS OF THE SIXTH INTERNATIONAL SYMPOSIUM ON PHYSICS OF FLUIDS (ISPF6) | 2016年 / 42卷
关键词：
Rocket; piston theory; Van Dyke's second-order theory; Newtonian impact theory; unsteady aerodynamic force;
D O I：
10.1142/S2010194516601770
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
Various approximations to unsteady aerodynamics are examined for the unsteady aerodynamic force of a pitching thin double wedge airfoil in hypersonic flow. Results of piston theory, Van Dyke's second-order theory, Newtonian impact theory, and CFD method are compared in the same motion and Mach number effects. The results indicate that, for this thin double wedge airfoil, Newtonian impact theory is not suitable for these Mach number, while piston theory and Van Dyke's second-order theory are in good agreement with CFD method for Ma<7.
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页数：4
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