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Numerical Simulation of a Turbulent Gas Flow over a Wavy Surface
AbstractWe use the
OpnFoam package to numerically study the turbulent flow over a wavy surface for various values of the amplitude and wavelength of...
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Study of forced convection turbulent flow over a heated microprocessor chip
A numerical investigation is carried out to enhance the cooling performance of a CPU integrated with several semi-circular fins. For this purpose, a...
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Gas-Kinetic Methods for Turbulent Flow
Gas-kinetic schemes are derived from the BGK-Boltzmann equation. These family of schemes for CFD are computationally more demanding than conventional...
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Favorable-Pressure-Gradient Influence on Supersonic Film Cooling with Turbulent Main Flow
Cooling of a hot supersonic turbulent boundary-layer flow by wall-parallel blowing of a high-heat-capacity gas through a backward-facing step is an...
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Consistent streamline residual-based artificial viscosity stabilization for numerical simulation of incompressible turbulent flow by isogeometric analysis
In this paper, we propose a new stabilization technique for numerical simulation of incompressible turbulent flow by solving Reynolds-averaged...
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A theoretical study of the fractional-order p-Laplacian nonlinear Hadamard type turbulent flow models having the Ulam–Hyers stability
In this article, we study the solvability properties of some nonlinear Hadamard type nonlocal turbulent flow models in porous medium involving the p -L...
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Evaluation of the Accuracy of Modern Codes by Comparing the Calculated and Experimental Data on the Example of a Problem on a Supersonic Viscous Turbulent Gas Flow Around a Tandem of Back-Forcing and Forward-Forcing Steps
AbstractVarious program codes for the investigation of a viscous turbulent compressible gas flow around complicated configurations are described. A...
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A rescaling algorithm for multi-relaxation-time lattice Boltzmann method towards turbulent flows with complex configurations
Understanding and modeling flows over porous layers are of great industrial significance. To accurately solve the turbulent multi-scale flows on...
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Analytical solutions of turbulent boundary layer beneath forward-leaning waves
As a typical nonlinear wave, forward-leaning waves can be frequently encountered in the near-shore areas, which can impact coastal sediment transport...
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Comparative Analysis of Algebraic Models of Laminar-Turbulent Transition
AbstractThis paper presents the results of extensive testing of four recently proposed algebraic laminar-turbulent transition (LTT) models, which are...
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Generalization of the Penalized Wall Function Method for Modeling of Turbulent Flows with Adverse Pressure Gradient
AbstractThe penalized wall function method for simulation of compressible near-wall turbulent flow regions in the numerical modeling of viscous...
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Numerical Investigation of the Structure of Turbulent Flow and Heat Transfer in a Planar Channel with Hexagonal Honeycomb of Varying Depth
AbstractThe results of a numerical calculation by the RANS method of a separated flow in a planar channel in the presence of a honeycomb surface are...
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Optimally Controlled Turbulent Boundary Layers in Supersonic Gas Flows
AbstractA variational problem for a conditional extremum of the Mayer type on the construction of the distribution law of the normal component of the...
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Local Equilibrium Approach in the Problem of the Dynamics of a Plane Turbulent Wake in a Passively Stratified Medium
AbstractTo study the flow in a far plane turbulent wake in a passively stratified medium, we use a mathematical model that includes differential...
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Self-Induced Suction of Fluid in a Turbulent Boundary Layer on a Permeable Surface
AbstractA turbulent boundary layer of a viscous incompressible fluid develo** past a flat plate at finite distances from the laminar–turbulent...
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Method and Algorithm for Calculating Isobaric and Nonisobaric Three-Dimensional Turbulent Jets of Reacting Gases
AbstractThis paper presents a calculation method and algorithm, as well as numerical results of studying chemically reacting turbulent jets based on...
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Numerical Simulation of Turbulent Flows Based on Modern Turbulence Models
AbstractThe new two-fluid turbulence model is compared with other RANS models for various turbulent flows: mixing of two flows, flow in a flat...
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Research on data assimilation strategy of turbulent separated flow over airfoil
In order to increase the accuracy of turbulence field reconstruction, this paper combines experimental observation and numerical simulation to...
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Description of Turbulent Flows Using a Kinetic Model
AbstractA closed system of equations for describing turbulent flows is obtained. Additional equations for the cross pulsation moments
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