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Nonlinear saturation amplitude of cylindrical Rayleigh-Taylor instability
Liu WH; Yu CP(于长平); Ye WH; Wang LF; Yu, CP (reprint author), Chinese Acad Sci, Inst Mech, Key Lab High Temp Gas Dynam LHD, Beijing 100190, Peoples R China.
Source PublicationChinese Physics B
2014-09
Volume23Issue:9Pages:94502
ISSN1674-1056
AbstractThe nonlinear saturation amplitude (NSA) of the fundamental mode in the classical Rayleigh-Taylor instability with a cylindrical geometry for an arbitrary Atwood number is analytically investigated by considering the nonlinear corrections up to the third order. The analytic results indicate that the effects of the initial radius of the interface (r(0)) and the Atwood number (A) play an important role in the NSA of the fundamental mode. The NSA of the fundamental mode first increases gently and then decreases quickly with increasing A. For a given A, the smaller the r(0)/lambda (lambda is the perturbation wavelength), the larger the NSA of the fundamental mode. When r(0)/lambda is large enough (r(0) >> l), the NSA of the fundamental mode is reduced to the prediction in the previous literatures within the framework of the third-order perturbation theory.
KeywordNonlinear Saturation Amplitude Rayleigh-taylor Instability Cylindrical Interface
Subject AreaPhysics
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Indexed BySCI ; EI ; CSCD
Language英语
WOS IDWOS:000344057200045
Funding OrganizationProject supported by the National Natural Science Foundation of China (Grant Nos. 10835003 and 11274026) and the Scientific Research Foundation of Mianyang Normal University, China (Grant No. 07165411).
DepartmentLHD可压缩湍流
Classification二类/Q2
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Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/49323
Collection高温气体动力学国家重点实验室
Corresponding AuthorYu, CP (reprint author), Chinese Acad Sci, Inst Mech, Key Lab High Temp Gas Dynam LHD, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Liu WH,Yu CP,Ye WH,et al. Nonlinear saturation amplitude of cylindrical Rayleigh-Taylor instability[J]. Chinese Physics B,2014,23(9):94502.
APA Liu WH,Yu CP,Ye WH,Wang LF,&Yu, CP .(2014).Nonlinear saturation amplitude of cylindrical Rayleigh-Taylor instability.Chinese Physics B,23(9),94502.
MLA Liu WH,et al."Nonlinear saturation amplitude of cylindrical Rayleigh-Taylor instability".Chinese Physics B 23.9(2014):94502.
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