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[PDF] Top 20 Turbulent compressible axisymmetric flows computation with the K-Epsilon model

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Turbulent compressible axisymmetric flows computation with the K-Epsilon model

Turbulent compressible axisymmetric flows computation with the K-Epsilon model

... L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignemen[r] ... Voir le document complet

24

2015 — Finite element model for three-dimensional compressible turbulent flows

2015 — Finite element model for three-dimensional compressible turbulent flows

... are turbulent, turbulence modeling is crucial in CFD. The RANS model has both linear and nonlinear eddy viscosity ...models. The linear eddy viscosity models can be categorized based on ... Voir le document complet

171

FVCF-NIP method for multi-material compressible fluid flows: some improvements in the computation of condensates evolution.

FVCF-NIP method for multi-material compressible fluid flows: some improvements in the computation of condensates evolution.

... Introduction The numerical simulation of fluid material interfaces encompasses a wide range of numerical methods, depending on the various physical situations, in particular the relevant space and ... Voir le document complet

37

2012 — Towards improved RANS/k−ε modelling of turbulent incompressible flows for wind energy applications

2012 — Towards improved RANS/k−ε modelling of turbulent incompressible flows for wind energy applications

... of the k − ε model, along with its standard form, for flow over two-dimensional valleys using wind tunnel data from the RUSVAL ...slopes with attached flow, all three models yield ... Voir le document complet

175

Dynamics and thermodynamics of axisymmetric flows: Theory

Dynamics and thermodynamics of axisymmetric flows: Theory

... evolution. The other effect of viscosity, now regarding the statistical mechanics approach, is to break the conservation of the ...for the original approach (Sec. III B) where it is ... Voir le document complet

27

An a posteriori-implicit turbulent model with automatic dissipation adjustment for Large Eddy Simulation of compressible flows

An a posteriori-implicit turbulent model with automatic dissipation adjustment for Large Eddy Simulation of compressible flows

... for the computation of compressible turbulent ...combined with the a posteriori paradigm, in order to obtain an implicit subgrid scale model and preserve the ... Voir le document complet

62

Assessment of time implicit discretizations for the computation of turbulent compressible flows

Assessment of time implicit discretizations for the computation of turbulent compressible flows

... provides the final computational times for different schemes and CF L numbers. The values are normalized with respect to the time required by the RK4 scheme with CF L = ...1 ... Voir le document complet

24

Large Time-Step Numerical Scheme for the Seven-Equation Model of Compressible Two-Phase Flows

Large Time-Step Numerical Scheme for the Seven-Equation Model of Compressible Two-Phase Flows

... in the computation of compressible two-phase flows with the so-called two-fluid two-pressure or seven-equation ...and the references therein. One of the main ... Voir le document complet

7

Analysis of a turbulence model related to that of k-epsilon for stationary and compressible flows

Analysis of a turbulence model related to that of k-epsilon for stationary and compressible flows

... concerning: the truncature at a fixed level and the Stampacchia’s ...of the estimates. Hence we shall present here the technique with some details and ...in the rest on ... Voir le document complet

31

Towards an innovative R$_{ij}$$-$$\epsilon$ model for turbulence in bubbly flows from DNS simulations

Towards an innovative R$_{ij}$$-$$\epsilon$ model for turbulence in bubbly flows from DNS simulations

... swarms with fixed bubbles for the study of bubble-induced turbulence → (prospect) Characterise the impact of fixed bubbles → (prospect) Comparison with calculation of free bubbles → (prospect) ... Voir le document complet

33

Lattice Boltzmann model for predicting the deposition of inertial particles in turbulent channel flows

Lattice Boltzmann model for predicting the deposition of inertial particles in turbulent channel flows

... Abstract The purpose of the paper is the using of a Lattice Boltzmann Model (LBM) for solving the kinetic equation describing the interaction of solid inertial particles ... Voir le document complet

7

Pressure Relaxation Procedures for Multiphase Compressible Flows

Pressure Relaxation Procedures for Multiphase Compressible Flows

... Unité de recherche INRIA Rocquencourt Domaine de Voluceau - Rocquencourt - BP 105 - 78153 Le Chesnay Cedex France Unité de recherche INRIA Lorraine : LORIA, Technopôle de Nancy-Brabois -[r] ... Voir le document complet

35

Parallel Solutions of Three-Dimensional Compressible Flows

Parallel Solutions of Three-Dimensional Compressible Flows

... Unite´ de recherche INRIA Lorraine, Technopoˆle de Nancy-Brabois, Campus scientifique, 615 rue du Jardin Botanique, BP 101, 54600 VILLERS LE` S NANCY Unite´ de recherche INRIA Rennes, Ir[r] ... Voir le document complet

57

The childhood of turbulent spot in shear flows

The childhood of turbulent spot in shear flows

... in the work of Lundbladh & Johansson [20] is the large-scale flow that develops around the turbulent growing spot with a quadrupolar ...along the regular ... Voir le document complet

11

Modeling of particle cloud dispersion in compressible gas flows with shock waves

Modeling of particle cloud dispersion in compressible gas flows with shock waves

... INTRODUCTION The interaction between shock waves and particles has been an active research field for ...understand the interaction mechanisms of shock waves with droplets or solid particles, 6–10 ... Voir le document complet

12

Turbulent Von Karman Swirling Flows

Turbulent Von Karman Swirling Flows

... in the (r,z) plane. In the viscous stirring case, the flow structure is of Batchelor type close to the periphery of the cavity at r/R c = ...flow, the mean flow is divided into ... Voir le document complet

4

Lattice Boltzmann model for predicting the deposition of inertial particles in turbulent channel flows

Lattice Boltzmann model for predicting the deposition of inertial particles in turbulent channel flows

... is the particle velocity component expectation in the x-direction normal to the ...wall. The literature dedicated to the modelling of the particle- turbulence coupling in ... Voir le document complet

8

Turbulent velocity spectra in superfluid flows

Turbulent velocity spectra in superfluid flows

... 共4兲 The actual spectra are calculated using the Welch method on windows of 2 15 data ...points. The total recording time is 7 min for most time series but we also recorded some 15 and 30 min long ... Voir le document complet

10

Generalized compressible flows and solutions of the H(div) geodesic problem

Generalized compressible flows and solutions of the H(div) geodesic problem

... study the geodesic problem on the group of diffeomorphism of a domain M ⊂ R d , equipped with the H(div) ...metric. The geodesic equations coincide with the Camassa- Holm ... Voir le document complet

40

Generalized compressible flows and solutions of the H(div) geodesic problem

Generalized compressible flows and solutions of the H(div) geodesic problem

... for the generalized H(div) geodesic ...in the narrow topology is not sufficient to pass the constraints to the ...enforce the strong coupling constraint ...On the other hand, by ... Voir le document complet

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