IMECH-IR  > 高温气体动力学国家重点实验室
Direct Numerical Simulation of Shock/Turbulent Boundary Layer Interaction in a Supersonic Compression Ramp
Li XL(李新亮); Fu DX(傅德薰); Ma YW(马延文); Liang X(梁贤); Li XL(李新亮)
Source PublicationSCIENCE CHINA: Physics, Mechanics & Astronomy
2010
Volume53Issue:9Pages:1651-1658
ISSN1674-7348
AbstractA direct numerical simulation of the shock/turbulent boundary layer interaction flow in a supersonic 24-degree compression ramp is conducted with the free stream Mach number 2.9. The blow-and-suction disturbance in the upstream wall boundary is used to trigger the transition. Both the mean wall pressure and the velocity profiles agree with those of the experimental data, which validates the simulation. The turbulent kinetic energy budget in the separation region is analyzed. Results show that the turbulent production term increases fast in the separation region, while the turbulent dissipation term reaches its peak in the near-wall region. The turbulent transport term contributes to the balance of the turbulent conduction and turbulent dissipation. Based on the analysis of instantaneous pressure in the downstream region of the mean shock and that in the separation bubble, the authors suggest that the low frequency oscillation of the shock is not caused by the upstream turbulent disturbance, but rather the instability of separation bubble.
Keywordcompression Ramp Shock/turbulent Boundary Layer Interaction Direct Numerical Simulation Shock Oscillation
Subject Area计算流体力学
DOI10.1007/s11433-010-4034-x
Indexed BySCI ; EI ; CSCD
Language英语
WOS IDWOS:000280810000012
Citation statistics
Cited Times:17[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/42444
Collection高温气体动力学国家重点实验室
非线性力学国家重点实验室
Corresponding AuthorLi XL(李新亮)
Recommended Citation
GB/T 7714
Li XL,Fu DX,Ma YW,et al. Direct Numerical Simulation of Shock/Turbulent Boundary Layer Interaction in a Supersonic Compression Ramp[J]. SCIENCE CHINA: Physics, Mechanics & Astronomy,2010,53(9):1651-1658.
APA Li XL,Fu DX,Ma YW,Liang X,&李新亮.(2010).Direct Numerical Simulation of Shock/Turbulent Boundary Layer Interaction in a Supersonic Compression Ramp.SCIENCE CHINA: Physics, Mechanics & Astronomy,53(9),1651-1658.
MLA Li XL,et al."Direct Numerical Simulation of Shock/Turbulent Boundary Layer Interaction in a Supersonic Compression Ramp".SCIENCE CHINA: Physics, Mechanics & Astronomy 53.9(2010):1651-1658.
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