电邮这篇文章 Gas suction effect on the crossflow instability in flow past a swept wing
- 作者: Novikov A.V.1,2, Obraz A.O.1,2, Timokhin D.A.2
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隶属关系:
- Zhukovski Central Aerohydrodynamic Institute
- Moscow Institute of Physics and Technology
- 期: 编号 2 (2024)
- 页面: 105-112
- 栏目: Articles
- URL: https://medjrf.com/1024-7084/article/view/672096
- DOI: https://doi.org/10.31857/S1024708424020096
- EDN: https://elibrary.ru/riwaap
- ID: 672096
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详细
The results of the swept wing boundary layer stability investigation are presented for the case, when the wing surface has a region of gas suction through the wall normal to the surface, while the wing is in Mach number 2 flow. In the flow regime considered the predominant boundary layer instability type is the crossflow instability. The gas suction effect on the development of unstable modes in the boundary layer is investigated using the linear stability theory and direct numerical modeling. The numerical modeling of laminar (undisturbed) flow fields with regions of gas suction and disturbed flow fields is carried out by integrating Navier–Stokes equations. An analysis within the framework of the linear stability theory is performed using the eN-method. The suction region location is varied with conservation of the integral intensity. It is shown that the mode instability growth can be considerably suppressed at the expense of an optimal disposition of the suction region.
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作者简介
A. Novikov
Zhukovski Central Aerohydrodynamic Institute; Moscow Institute of Physics and Technology
Email: obraz.ao@mipt.ru
俄罗斯联邦, Zhukovski, Moscow region, 140180; Moscow region, 141170
A. Obraz
Zhukovski Central Aerohydrodynamic Institute; Moscow Institute of Physics and Technology
Email: obraz.ao@mipt.ru
俄罗斯联邦, Zhukovski, Moscow region, 140180; Moscow region, 141170
D. Timokhin
Moscow Institute of Physics and Technology
编辑信件的主要联系方式.
Email: obraz.ao@mipt.ru
俄罗斯联邦, Moscow region, 141170
参考
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