Numerical Simulation of Unsteady Fluid Parameters for Maglev Flight Wind Tunnel Design

被引：0
作者：
Fu, Cheng [1 ,2 ]
Gao, Xinglong [1 ,2 ]
Sun, Yunqiang [1 ,2 ]
Kou, Jie [1 ,2 ]
Xu, Dachuan [1 ,2 ]
Chen, Jingxiang [1 ,2 ]
机构：
[1] China Aerodynam Res & Dev Ctr, State Key Lab Aerodynam, Mianyang 621000, Peoples R China
[2] China Aerodynam Res & Dev Ctr, Facil Design & Instrumentat Inst, Mianyang 621000, Peoples R China
来源：
AEROSPACE | 2023年 / 10卷 / 01期
基金：
中国国家自然科学基金;
关键词：
maglev flight tunnel; fluid structure interaction; unsteady aerodynamics; conservation element and solution element method; numerical simulation; TIME CONSERVATION ELEMENT;
D O I：
10.3390/aerospace10010034
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
The maglev flight tunnel is a novel conceptual aerodynamics test facility, in which the complicated aerodynamic characteristics caused by the high-speed translation of a moving model in a long, straight, closed tunnel, and wave propagation and aero-structure single-way coupling problems can be investigated. The unsteady characteristics originating from a high-speed model in the maglev flight tunnel were investigated and evaluated with regard to aero-structure coupling. The new conservation element and solution element method was used to solve the 3-D compressible fluid surrounding a moving model in a tunnel, and the variations in the aerodynamic parameters, wave propagation characteristics, and pressure distribution in the tunnel were obtained. The results provide support for key technical problems, such as a wave-absorbing construction design of the maglev flight wind tunnel.
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页数：16
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