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Manipulation on a heavy fluid layer with dual-mode perturbations via reverberating waves

文献类型：期刊论文

作者Zhou, Ning1; Zhai, Zhigang1; Luo, Xisheng1,2
刊名PHYSICAL REVIEW FLUIDS
出版日期2025-02-20
卷号10期号:2页码:18
ISSN号2469-990X
DOI10.1103/PhysRevFluids.10.023904
通讯作者Zhai, Zhigang(sanjing@ustc.edu.cn)
英文摘要The growth and manipulation of a heavy fluid layer with dual-mode perturbations imposed only at the downstream interface are investigated. To quantify the effects of reverberating waves, the processes of the disturbed reverberating waves interacting with the layer are theoretically modeled. When the compression waves hit the downstream interface, they will suppress (promote) the mode growth if the mode has (has not) completed the phase inversion. The relationship between the perturbation parameters and the layer width is obtained when the mode amplitude is zero at the arrival of the compression waves. Four different initial layer widths are then designed in experiments by fixing the perturbation parameters to manipulate the mode growth. For a large layer width, the growth of the downstream interface is suppressed relative to that of a dual-mode interface between semi-infinite domains, because both mode amplitudes are suppressed by compression waves. As the layer width reduces, the mixing width growth is enhanced, because the long-wavelength perturbation growth is promoted. In addition, the compression waves have more prominent effects on the short-wavelength perturbation than the long-wavelength perturbation. Through considering the reverberating waves effects in a classic model, the mode amplitude growth can generally be predicted. The reverberating waves play a more prominent role than interface coupling in the development of the dual-mode perturbations at the downstream interface during the time studied. The initially planar upstream interface also acquires perturbations via the rarefaction waves and interface coupling. However, interface coupling dominates the amplitude growth of the modes at the upstream interface, and it has a greater effect on the long-wavelength perturbation than the short-wavelength perturbation. This work might shed some light on how to manipulate the growth of the dual-mode perturbations via reverberating waves.
WOS关键词RICHTMYER-MESHKOV INSTABILITY ; RAYLEIGH-TAYLOR ; SHOCK ; DRIVEN ; GROWTH
资助项目National Natural Science Foundation of China[12372281] ; National Natural Science Foundation of China[12388101] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDB0620201] ; Youth Innovation Promotion Association CAS
WOS研究方向Physics
语种英语
WOS记录号WOS:001492150800001
资助机构National Natural Science Foundation of China ; Strategic Priority Research Program of Chinese Academy of Sciences ; Youth Innovation Promotion Association CAS
源URL[http://dspace.imech.ac.cn/handle/311007/101607]  
专题力学研究所_高温气体动力学国家重点实验室
通讯作者Zhai, Zhigang
作者单位1.Univ Sci & Technol China, Dept Modern Mech, Adv Prop Lab, Hefei 230026, Peoples R China
2.Chinese Acad Sci, Inst Mech, State Key Lab High Temp Gas Dynam, Beijing 100190, Peoples R China
推荐引用方式
GB/T 7714		 Zhou, Ning,Zhai, Zhigang,Luo, Xisheng. Manipulation on a heavy fluid layer with dual-mode perturbations via reverberating waves[J]. PHYSICAL REVIEW FLUIDS,2025,10(2):18.
APA Zhou, Ning,Zhai, Zhigang,&Luo, Xisheng.(2025).Manipulation on a heavy fluid layer with dual-mode perturbations via reverberating waves.PHYSICAL REVIEW FLUIDS,10(2),18.
MLA Zhou, Ning,et al."Manipulation on a heavy fluid layer with dual-mode perturbations via reverberating waves".PHYSICAL REVIEW FLUIDS 10.2(2025):18.

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来源：力学研究所

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