国家自然科学基金(90716008)

作品数：9被引量：29H指数：4
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Experimental evidence for non-linear growth in compressible mixing layer被引量：1
《Science China(Physics,Mechanics & Astronomy)》2014年第5期963-970,共8页WANG TieJin CHEN Jun SHI XiaoTian HU Ning SHE ZhenSu 
supported by the National Natural Science Foundation of China(Grant Nos.11172006,10572004 and 90716008);by the National Basic Research Program of China(Grant No.2009CB724100)
An experimental study of compressible mixing layers(CMLs)was conducted using planar laser Mie scattering(PLMS)visualizations from condensed ethanol droplets in the flow.Large ensembles of digital images were collected...
关键词：compressible mixing layer growth rate coherent structures flow visualization 
Wavy structures in compressible mixing layers
《Acta Mechanica Sinica》2013年第5期633-640,共8页Jun Chen Xiao-Tian Shi Tie-Jin Wang Zhen-Su She 
supported by National Nature Science Foundation of China(90716008,10572004,and 11172006);by MOST 973 Project(2009CB724100)
Semi-periodic structures namely inclined wavy structures （IWS） are experimentally observed in compressible mixing layers at two convective Mach numbers （Mc = 0.11 and 0.47）. Flow structures are visualized by the l...
关键词：Compressible mixing layer. Growth rate. Visu- alization STRUCTURES Coherent vortex 
A rescaling method for correcting log-layer mismatch in detached eddy simulation
《Science China(Physics,Mechanics & Astronomy)》2013年第6期1165-1175,共11页HU Ning 
supported by the National Natural Science Fund of China(Grant No. 90716008);the National Basic Research Program of China(Grant No. 2009CB72410)
In order to correct the unphysical log-layer mismatch commonly encountered in detached eddy simulation(DES) of flows with attached boundary layers,a function M,ML,which has a multi-layer structure with scaling laws in...
关键词：detached eddy simulation hybrid RANS/LES method wall bounded turbulence log-law log-layer mismatch 
Sub-ensemble study of pressure gradient effects on the variation of Karman constant
《Science China(Physics,Mechanics & Astronomy)》2012年第8期1439-1444,共6页WANG YanZhi SHE ZhenSu 
supported by the National Natural Science Foundation of China (Grant No. 90716008 and 10921202);the National Basic Research Program of China (Grant No. 2009CB724100)
Using data from direct numerical simulation （DNS） of incompressible and compressible channel flow, we develop a method of sub-ensemble decomposition to investigate the pressure gradient effect on the Karman constant...
关键词：sub-ensemble vertical fluctuation velocity pressure gradient Karman constant 
Numerical simulations of compressible mixing layers with a discontinuous Galerkin method被引量：6
《Acta Mechanica Sinica》2011年第3期318-329,共12页Xiao-Tian Shi Jun Chen Wei-Tao Bi Chi-Wang Shu Zhen-Su She 
supported by the National Natural Science Foundation of China (90716008,10572004 and 10921202);MOST 973 Project (2009CB724100) and CSSA
Discontinuous Galerkin（DG） method is known to have several advantages for flow simulations,in particular,in fiexible accuracy management and adaptability to mesh refinement. In the present work,the DG method is deve...
关键词：Compressible mixing layer - Discontinuous Galerkin method . Self-similarity . Coherent structure 
New perspective in statistical modeling of wall-bounded turbulence被引量：14
《Acta Mechanica Sinica》2010年第6期847-861,共15页Zhen-Su She Xi Chen You Wu Fazle Hussain 
supported by the National Natural Science Foundation of China(90716008);the National Basic Research Program of China(2009CB724100).
Despite dedicated effort for many decades,statistical description of highly technologically important wall turbulence remains a great challenge.Current models are unfortunately incomplete,or empirical,or qualitative.A...
关键词：Wall turbulence Statistical modeling Structure ensemble dynamics Order function MULTI-LAYER 
Structural ensemble dynamics based closure model for wall-bounded turbulent flow被引量：11
《Acta Mechanica Sinica》2009年第5期731-736,共6页Zhen-Su She Ning Hu You Wu State Key Laboratory for Turbulence and Complex Systems and Dept Mechanical and Aerospace Engineering,College of Engineering, Peking University,100871 Beijing, China 
supported by the National Natural Science Foundation of China (90716008);the MOST under 973 project (2009CB724100)
Wall-bounded turbulent flow involves the development of multi-scale turbulent eddies, as well as a sharply varying boundary layer. Its theoretical descriptions are yet phenomenological. We present here a new framework...
关键词：TURBULENCE Closure equation Channel flow Structural ensemble dynamics 
Universal hierarchical symmetry for turbulence and general multi-scale fluctuation systems被引量：5
《Acta Mechanica Sinica》2009年第3期279-294,共16页Zhen-Su She Zhi-Xiong Zhang State Key Laboratory for Turbulence and Complex Systems, College of Engineering, Peking University, 100871 Beijing, China 
the National Natural Science Foundation(90716008);MOST 973 project (2009CB724100)
Scaling is an important measure of multi-scale fluctuation systems. Turbulence as the most remarkable multi-scale system possesses scaling over a wide range of scales. She-Leveque （SL） hierarchical symmetry, since i...
关键词：Turbulence. Scaling law. She-Leveque modelHierarchical symmetry Self-organization - Turbulenceensemble 
The nature of near-wall convection velocity in turbulent channel flow被引量：2
《Acta Mechanica Sinica》2008年第5期587-590,共4页Yuhui Cao Jun Chen Zhensu She 
the National Natural Science Foundation of China(10572004 and 90716008)
A novel notion of turbulent structure the local cascade structure-is introduced to study the convection phenomenon in a turbulent channel flow. A space-time cross-correlation method is used to calculate the convection...
关键词：Turbulent structure CASCADE Structure classification CONVECTION Channel flow 
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