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Multi-layer analytic solution for k-ω model equations via a symmetry approach
Despite being one of the oldest and most widely-used turbulence models in engineering computational fluid dynamics (CFD), the k - ω model has not been...
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Discovering a universal variable-order fractional model for turbulent Couette flow using a physics-informed neural network.
The first fractional model for Reynolds stresses in wall-bounded turbulent flows was proposed by Wen Chen [2]. Here, we extend this formulation by...
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Relationship between wall shear stresses and streamwise vortices
The relationship between wall shear stresses and near-wall streamwise vortices is investigated via a direct numerical simulation (DNS) of turbulent...
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Revisiting coherent structures in low-speed turbulent boundary layers
Coherent structures are essential for the momentum exchange and turbulence production in wall-bounded turbulent flows. Diversified coherent...
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Effects of the Reynolds number on the mean skin friction decomposition in turbulent channel flows
As the Reynolds number increases, the skin friction has been identified as the dominant drag in many practical applications. In the present paper,...
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Thirty years of turbulence study in China
This paper provides a comprehensive introduction to the major progress in transition and turbulence studies in China over the past thirty years....
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Response of turbulent enstrophy to sudden implementation of spanwise wall oscillation in channel flow
The response of turbulent enstrophy to a sudden implementation of spanwise wall oscillation (SWO) is studied in a turbulent channel flow via direct...
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Near-wall behaviors of oblique-shock-wave/turbulent-boundary-layer interactions
A direct numerical simulation (DNS) on an oblique shock wave with an incident angle of 33.2° im**ing on a Mach 2.25 supersonic turbulent boundary...
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Numerical study on evolution of subharmonic varicose low-speed streaks in turbulent channel flow
The evolution of two spanwise-aligned low-speed streaks in a wall turbulent flow, triggered by the instability of the subharmonic varicose (SV) mode,...
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Study on local topology model of low/high streak structures in wall-bounded turbulence by tomographic time-resolved particle image velocimetry
The relationship between the bursting event and the low/high-speed streak in the logarithmic law (log-law) region of a turbulent boundary layer is...
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Spatial relation between fluctuating wall pressure and near-wall streamwise vortices in wall bounded turbulent flow
A new view of the spatial relation between fluctuating wall pressure and near-wall streamwise vortices (NWSV) is proposed for wall bounded turbulent...
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Applications of scale-adaptive simulation technique based on one-equation turbulence model
A modified scale-adaptive simulation (SAS) technique based on the Spalart-Allmaras (SA) model is proposed. To clarify its capability in prediction of...
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Numerical simulation on evolution of subharmonic low-speed streaks in minimal channel turbulent flow
The evolution of low-speed streaks in the turbulent boundary layer of the minimum channel flow unit at a low Reynolds number is simulated by the...
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Large Eddy Simulation of the Stable Boundary Layer
The model CLMM (Charles University Large-eddy Microscale Model) is a large-eddy simulation model for atmospheric flows. It solves Navier-Stokes...
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Higher Order Chimera Grid Interface for Transonic Turbomachinery Applications
In this paper a higher-order accuracy chimera mesh interface for transonic flow in linear turbine blade cascades is described. Proposed method for...
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On The Numerical Validation Study of Stratified Flow Over 2D–Hill Test Case
The paper deals with flow validation study performed using our in–house 3D–code which implements mathematical and numerical model capable to compute...
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Numerical studies on evolution of secondary streamwise vortices in transitional boundary layers
Formation and evolution of secondary streamwise vortices in the compressible transitional boundary layers over a flat plate are studied using a...
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Shock calculation based on second viscosity using local differential quadrature method
Based on the second viscosity, the local differential quadrature (LDQ) method is applied to solve shock tube problems. It is shown that it is...
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Turbulent flow in converging nozzles, part one: boundary layer solution
The boundary layer integral method is used to investigate the development of the turbulent swirling flow at the entrance region of a conical nozzle....
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Numerical simulation of vortex evolution based on adaptive wavelet method
The application of the wavelet method to vortex motion prediction is investigated. First, the wavelet method is used to solve two initial boundary...