Study of ramp-induced hypersonic shock-wave/boundary layer interaction controlled with steady jet
文献类型：期刊论文
| 作者 | Guo TB(郭同彪); Li XL(李新亮); Li, Xin; Liu HW(刘洪伟) |
| 刊名 | PHYSICS OF FLUIDS
 |
| 出版日期 | 2025-04-01 |
| 卷号 | 37期号:4页码:18 |
| ISSN号 | 1070-6631 |
| DOI | 10.1063/5.0265257 |
| 通讯作者 | Liu, Hongwei(hliu@imech.ac.cn) |
| 英文摘要 | In this paper, the steady jet is applied upstream of a 30 degrees compression ramp in a turbulent boundary layer with a Mach number of 5.0 and a momentum-thickness Reynolds number of 5000. Direct numerical simulations are conducted to investigate the impact of the jet on the shock wave/boundary layer interaction and the feasibility to mitigate the flow separation and reduce the wall heat flux peak. The jet is capable of generating large-scale streamwise vortex and contributes to a spanwise heterogeneity of turbulent structures and mean quantities. It is found that the jet can effectively reduce the Mach number upstream of the interaction region and lead to the downstream motion and reduced strength of the separation shock. Compared with the baseline case, the spanwise-averaged separation area and length are reduced by 46% and 31%. Under the combined contribution of the jet and the Gortler-instability, the intensity of the mean large-scale streamwise vortex on the compression ramp is much stronger than that upstream of the interaction region and that of the baseline case. This consequently leads to a large spanwise variation of the mean wall skin friction and heat flux with their maximum values obtained around the spanwise portion where the downwelling occurs. The jet works to reduce the peak value of the mean spanwise-averaged wall heat flux up to 12%, owing to the reduced intensity of the mean-convection and turbulent mixing. Compared with the baseline case, the peak value of the spanwise-averaged turbulence kinetic energy in the interaction region for the jet case is decreased, and the wall-normal location of the peak has an apparent upward motion, caused by the upwash and the resultant upward movement of the detached shear layer. |
| 分类号 | 一类/力学重要期刊 |
| WOS关键词 | DIRECT NUMERICAL-SIMULATION ; TURBULENT-BOUNDARY-LAYER ; LARGE-EDDY SIMULATION ; INDUCED SEPARATION ; PRESSURE-GRADIENT ; FLOW |
| 资助项目 | National Natural Science Foundation of China10.13039/501100001809[12202457] ; National Natural Science Foundation of China10.13039/501100001809[12232018] ; National Natural Science Foundation of China10.13039/501100001809[12072349] ; NSFC Projects[XDB0500301] ; Strategic Priority Research Program of Chinese Academy of Science[2022M723232] ; China Postdoctoral Science Foundation |
| WOS研究方向 | Mechanics ; Physics |
| 语种 | 英语 |
| WOS记录号 | WOS:001458965400048 |
| 资助机构 | National Natural Science Foundation of China10.13039/501100001809 ; NSFC Projects ; Strategic Priority Research Program of Chinese Academy of Science ; China Postdoctoral Science Foundation |
| 其他责任者 | 刘洪伟 |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/100795]  |
| 专题 | 力学研究所_高温气体动力学国家重点实验室 |
| 推荐引用方式 GB/T 7714 | Guo TB,Li XL,Li, Xin,et al. Study of ramp-induced hypersonic shock-wave/boundary layer interaction controlled with steady jet[J]. PHYSICS OF FLUIDS,2025,37(4):18. |
| APA | 郭同彪,李新亮,Li, Xin,&刘洪伟.(2025).Study of ramp-induced hypersonic shock-wave/boundary layer interaction controlled with steady jet.PHYSICS OF FLUIDS,37(4),18. |
| MLA | 郭同彪,et al."Study of ramp-induced hypersonic shock-wave/boundary layer interaction controlled with steady jet".PHYSICS OF FLUIDS 37.4(2025):18. |
入库方式： OAI收割
来源：力学研究所
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