Influence of the Wind Tunnel Model Mounting on the Wake Evolution of the Common Research Model in Post Stall
Influence of the Wind Tunnel Model Mounting on the Wake Evolution of the Common Research Model in Post Stall
复制标题
风洞模型安装对失速后通用研究模型尾流演化的影响
DOI:
10.1007/978-3-030-79561-0_1
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发表时间:
2020
期刊:
影响因子:
--
通讯作者:
Waldmann
中科院分区:
文献类型:
--
作者:
Waldmann
This work describes the influence of the wind tunnel support system on the wake flow and associated forces acting on the CRM aircraft configuration in post-stall conditions at subsonic Mach numbers. Unsteady scale-resolving simulations at,andwere carried out using the CRM with and without a support sting, respectively. A predominantly local effect of the sting was observed at these conditions, causing significant deflection of the local flow direction near the sting. The sting’s shape causes downward deflection near the horizontal tailplane, decreasing that surface’s effective angle of attack and its lift coefficient. This results in a reduced overall lift coefficientand a significantly reduced nose-down pitching moment. The wing pressure distribution is only weakly affected.
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DOI:
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发表时间:
2015
期刊:
影响因子:
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作者:
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发表时间:
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