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Experimental study of humid air reverse diffusion combustion in a turbulent flow field

GE Bing, ZANG Shusheng, GU Xin

Frontiers in Energy 2007, Volume 1, Issue 4,   Pages 428-434 doi: 10.1007/s11708-007-0062-6

Abstract: Experiments were performed to investigate the differences between the propane/air turbulent diffusionreactive flows past bluff-body and the propane/humid air turbulent diffusion reactive flows in the same

Keywords： propane/humid     propane/air turbulent     bluff-body     turbulent diffusion    

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URANS simulation of the turbulent flow in tight lattice bundle

Yiqi YU, Yanhua YANG

Frontiers in Energy 2011, Volume 5, Issue 4,   Pages 404-411 doi: 10.1007/s11708-011-0165-7

Abstract: The flow structure in tight lattice is still of great interest to nuclear industry.An accurate prediction of flow parameter in subchannels of tight lattice is likable.In this paper, the turbulent flow with different Reynolds number (5000–215000) and different pitch-to-diameterThe effects of the Reynolds number and the bundle geometry ( / ) on wall shear stress, turbulent kineticenergy, turbulent mixing and large scale coherent structure in tight lattice are analyzed in details

Keywords： tight rod bundle     flow structure     unsteady Reynolds averaged Navier Stokes (URANS)    

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Large eddy simulation of turbulent buffet forces in flow induced vibration

XI Zhide, CHENG Bingde, LI Pengzhou

Frontiers in Energy 2008, Volume 2, Issue 4,   Pages 524-527 doi: 10.1007/s11708-008-0099-x

Abstract: The pressure pulse filter and Smagorinsky sub-grid stress model of the Large Eddy Simulation (LES) are introduced. The fluid field in the annular plenum between the pressure vessel and the core barrel of the1:5 model in the second phase of Qinshan Nuclear Power Plant is simulated, and the distribution of the total pressure in the space and time domains is obtained. The results show that the Power Spectrum Density (PSD) of LES from the calculation and the test are in the same quantity order. Thus, the pressure of LES can be a load to stimulate the barrel vibration.

Keywords： Spectrum Density     Smagorinsky sub-grid     vibration     calculation     Qinshan Nuclear    

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Numerical simulation of three-dimensional turbulent flow in multistage axial compressor blade row

JIANG Jian, LIU Bo, WANG Yangang, NAN Xiangyi

Frontiers in Energy 2008, Volume 2, Issue 3,   Pages 320-325 doi: 10.1007/s11708-008-0041-2

Abstract: Numerical simulation of three-dimensional turbulent flow in a multistage axial compressor blade row isA high resolution, third-order ENN scheme is adopted to catch the shockwave and simulate the turbulentflow correctly,

Keywords： simulation     compressor     multistage     third-order     three-dimensional turbulent    

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A New Explicit Equation for Calculating the Friction Factor for the Turbulent Flow in Pipes

Wang Yong,Yuan Qi

Strategic Study of CAE 2006, Volume 8, Issue 6,   Pages 83-88

Abstract:

The friction factor for the turbulent flow in pipes is the binary nonlinear function of Reynolds numberequation with the above method, a new explicit equation for calculating the friction factor for the turbulentflow in pipes was obtained.

Keywords： turbulent flow     friction factor     implicit Colebrook equation     genetic algorithms     intelligent fitting method    

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Laminar-to-Turbulence Transition Revealed Through a Reynolds Number Equivalence Article

Xiao Dong Chen

Engineering 2019, Volume 5, Issue 3,   Pages 576-579 doi: 10.1016/j.eng.2018.09.013

Abstract:

Flow transition from laminar to turbulent mode (and vice versa)—that is, the initiation of turbulenceEven for pipe flow, predicting the onset of turbulence requires sophisticated instrumentation and/ordirect numerical simulation, based on observing the instantaneous flow structure formation and evolutionFor pipe flow, and velocity (nonlinearity) can qualify the source of turbulence (i.e., generate turbulent

Keywords： Local Reynolds number equivalence     Flow transition from laminar to turbulent mode     Universal law of thewall     Pipe flow     Plate flow     Modeling    

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Numerical simulation of the characteristics of turbulent Taylor vortex flow

ZHOU Xiantao, PAN Jiazhen, CHEN Liqing, SHI Yan, CHEN Wenmei, CHU Liangyin

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 2,   Pages 195-201 doi: 10.1007/s11705-007-0036-2

Abstract: Turbulent Taylor vortex flow, which is contained between a rotating inner cylinder and a coaxial fixedBased on the numerical simulation results of the turbulent Taylor vortex flow, its characteristics suchas the fluctuation of the flow field, the precipitous drop of azimuthal velocity, the jet flow of radial
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Safety and serviceability assessment for high-rise tower crane to turbulent winds

Zhi SUN, Nin HOU, Haifan XIANG

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 1,   Pages 18-24 doi: 10.1007/s11709-009-0009-2

Abstract: paper proposes a general scheme for safety and serviceability assessment of high-rise tower crane to turbulent

Keywords： tower crane     buffeting response     wind velocity     modeling    

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Pre-chamber turbulent jet ignition of methane/air mixtures with multiple orifices in a large bore constant

Xiang LI, Wenzheng ZHANG, Zhong HUANG, Dehao JU, Li HUANG, Mingzhi FENG, Xingcai LU, Zhen HUANG

Frontiers in Energy 2019, Volume 13, Issue 3,   Pages 483-493 doi: 10.1007/s11708-019-0631-1

Abstract: A combustion enhancement technique called pre-chamber turbulent jet ignition (TJI) can permit combustionvolume, experimental tests and computational simulations were implemented to study the discharge of hot turbulentThe asymmetry of the turbulent jet actuated from six different orifices were found due to the asymmetric

Keywords： marine engine     natural gas     methane     turbulent jet ignition (TJI)     pre-chamber    

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The Ejection and Sweep in the Wall Region of a Turbulent Boundary Layer Under Adverse Pressure Gradient

Zhang Qiang,Lu Lipeng

Strategic Study of CAE 2003, Volume 5, Issue 11,   Pages 47-50

Abstract:

The evolution of coherent structures in the wall region of a turbulent boundary layer under adverse

Keywords： coherent structures     turbulent boundary layer     adverse pressure gradients     direct numerical simulation    

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Analysis of Coherent Structures in a Turbulent Boundary Layer With Pressure Gradients

Lu Lipeng,Li Zhaorui

Strategic Study of CAE 2002, Volume 4, Issue 11,   Pages 50-56

Abstract: By using the method of direct numerical simulation, the coherent structures in the wall region of a turbulent

Keywords： coherent structures     turbulent boundary layer     pressure gradients     direct numerical simulation (DNS)    

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Alluvial channel hydrodynamics around tandem piers with downward seepage

Rutuja CHAVAN, Wenxin HUAI, Bimlesh KUMAR

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6,   Pages 1445-1461 doi: 10.1007/s11709-020-0648-x

Abstract: In this paper, we report the turbulent flow structures and the scour geometry around two piers with differentUpstream of the piers near the bed, the moments, turbulent kinetic energy (TKE), and TKE fluxes were

Keywords： scour     seepage     Strouhal number     tandem arrangement     turbulent characteristics    

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Algebraic-stress Turbulent Model of Planar 2-D Pollutant Convection-Diffusion in Curvilinear Coordinates

Wu Xiuguang,Shen Yongming,Wang Min,Yang Zhifeng

Strategic Study of CAE 2005, Volume 7, Issue 7,   Pages 60-64

Abstract: The anisotropic algebraic-stress turbulent model is introduced to simulate the turbulence items, andalgebraic-stress turbulent model of planar 2-D pollutant convection-diffusion in curvilinear coordinatesthis model and that of the k-ε model shows the model in the paper is superior to k-ε turbulent

Keywords： pollutant     convection-diffusion     anisotropic     algebraic-stress turbulent model     k-ε model    

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A New Subdiscipline of Contemporary Optics—Aero-optics

Yin Xingliang

Strategic Study of CAE 2005, Volume 7, Issue 12,   Pages 1-6

Abstract:

Based on developing process of aero-optics, the background of the subject is introduced. The definition, intension, research object, research methods of the subject are proposed. The research contents are described, which include mechanism, calibration methods, calibration tests for aero-optic effects and optic window of the hypersonic aircraft. The theoretical research, engineering modeling, testing principle and testing methods in China are described in detail. Some representative results are given. At last, the application prospects and research tendency of the subject are suggested.

Keywords： aerodynamics     turbulent flows     optics     aero-optics    

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Title Author Date Type Operation

Experimental study of humid air reverse diffusion combustion in a turbulent flow field

GE Bing, ZANG Shusheng, GU Xin

Journal Article

URANS simulation of the turbulent flow in tight lattice bundle

Yiqi YU, Yanhua YANG

Journal Article

Large eddy simulation of turbulent buffet forces in flow induced vibration

XI Zhide, CHENG Bingde, LI Pengzhou

Journal Article

Numerical simulation of three-dimensional turbulent flow in multistage axial compressor blade row

JIANG Jian, LIU Bo, WANG Yangang, NAN Xiangyi

Journal Article

A New Explicit Equation for Calculating the Friction Factor for the Turbulent Flow in Pipes

Wang Yong,Yuan Qi

Journal Article

Laminar-to-Turbulence Transition Revealed Through a Reynolds Number Equivalence

Xiao Dong Chen

Journal Article

Numerical simulation of the characteristics of turbulent Taylor vortex flow

ZHOU Xiantao, PAN Jiazhen, CHEN Liqing, SHI Yan, CHEN Wenmei, CHU Liangyin

Journal Article

Safety and serviceability assessment for high-rise tower crane to turbulent winds

Zhi SUN, Nin HOU, Haifan XIANG

Journal Article

Wang Limin: Mesoscale Theory and Method of Multiphase Turbulent Flow（2020.1.10）

王利民(高级职称)

13 Mar 2020

Conference Videos

Pre-chamber turbulent jet ignition of methane/air mixtures with multiple orifices in a large bore constant

Xiang LI, Wenzheng ZHANG, Zhong HUANG, Dehao JU, Li HUANG, Mingzhi FENG, Xingcai LU, Zhen HUANG

Journal Article

The Ejection and Sweep in the Wall Region of a Turbulent Boundary Layer Under Adverse Pressure Gradient

Zhang Qiang,Lu Lipeng

Journal Article

Analysis of Coherent Structures in a Turbulent Boundary Layer With Pressure Gradients

Lu Lipeng,Li Zhaorui

Journal Article

Alluvial channel hydrodynamics around tandem piers with downward seepage

Rutuja CHAVAN, Wenxin HUAI, Bimlesh KUMAR

Journal Article

Algebraic-stress Turbulent Model of Planar 2-D Pollutant Convection-Diffusion in Curvilinear Coordinates

Wu Xiuguang,Shen Yongming,Wang Min,Yang Zhifeng

Journal Article

A New Subdiscipline of Contemporary Optics—Aero-optics

Yin Xingliang

Journal Article