Author: Thomas B. Gatski
Publisher:
ISBN:
Category :
Languages : en
Pages :
Book Description
Assessment and Application of Reynolds Stress Closure Models to High-speed Compressible Flows
Author: Thomas B. Gatski
Publisher:
ISBN:
Category :
Languages : en
Pages :
Book Description
Publisher:
ISBN:
Category :
Languages : en
Pages :
Book Description
Development of a Near-wall Reynolds-stress Closure Based on the SSG Model for the Pressure Strain
Author: R. M. C. So
Publisher:
ISBN:
Category :
Languages : en
Pages : 144
Book Description
Publisher:
ISBN:
Category :
Languages : en
Pages : 144
Book Description
Modelling Turbulence in Engineering and the Environment
Author: Kemal Hanjalić
Publisher: Cambridge University Press
ISBN: 0521845750
Category : Science
Languages : en
Pages : 403
Book Description
A comprehensive account of advanced RANS turbulence models including numerous applications to complex flows in engineering and the environment.
Publisher: Cambridge University Press
ISBN: 0521845750
Category : Science
Languages : en
Pages : 403
Book Description
A comprehensive account of advanced RANS turbulence models including numerous applications to complex flows in engineering and the environment.
Turbulence Models and Their Application
Author: Tuncer Cebeci
Publisher: Springer Science & Business Media
ISBN: 9783540402886
Category : Science
Languages : en
Pages : 140
Book Description
After a brief review of the more popular turbulence models, the author presents and discusses accurate and efficient numerical methods for solving the boundary-layer equations with turbulence models based on algebraic formulas (mixing length, eddy viscosity) or partial-differential transport equations. A computer program employing the Cebeci-Smith model and the k-e model for obtaining the solution of two-dimensional incompressible turbulent flows without separation is discussed in detail and is presented in the accompanying CD.
Publisher: Springer Science & Business Media
ISBN: 9783540402886
Category : Science
Languages : en
Pages : 140
Book Description
After a brief review of the more popular turbulence models, the author presents and discusses accurate and efficient numerical methods for solving the boundary-layer equations with turbulence models based on algebraic formulas (mixing length, eddy viscosity) or partial-differential transport equations. A computer program employing the Cebeci-Smith model and the k-e model for obtaining the solution of two-dimensional incompressible turbulent flows without separation is discussed in detail and is presented in the accompanying CD.
Numerical Prediction of Turbulent Compressible Flows Using K-e Model and Reynolds Stress Closure Model
Author: N. T. H. Nguyen-Bui
Publisher:
ISBN:
Category :
Languages : en
Pages :
Book Description
Publisher:
ISBN:
Category :
Languages : en
Pages :
Book Description
Progress in Favre-Reynolds Stress Closures for Compressible Flows
Author: Virgil Adumitroaie
Publisher:
ISBN:
Category :
Languages : en
Pages : 48
Book Description
A closure for the compressible portion of the pressure strain covariance is developed. It is shown that, within the context of a pressure strain closure assumption linear in the Reynolds stresses, an expression for the pressure dilatation can be used to construct a representation for the pressure strain. Additional closures for the unclosed terms in the Favre Reynolds stress equations involving the mean acceleration are also constructed. The closures accommodate compressibility corrections depending on the magnitude of the turbulent Mach number, the mean density gradient, the mean pressure gradient, the mean dilatation, and, of course, the mean velocity gradients. The effects of the compressibility corrections are consistent with current DNS results. Using the compressible pressure strain and mean acceleration closures in the Favre Reynolds stress equations an algebraic closure for the Favre Reynolds stresses is constructed. Noteworthy is the fact that, in the absence of mean velocity gradients, the mean density gradient produces Favre Reynolds stresses in accelerating mean flows. Computations of the mixing layer using the compressible closures developed are described. Favre Reynolds stress closure and two equation algebraic models are compared to laboratory data. The mixing layer configuration computations are compared to laboratory data; since the laboratory data for the turbulence stresses is inconsistent, this comparison is inconclusive. Comparisons for the spread rate reduction indicate a sizable decrease in the mixing layer growth rate.
Publisher:
ISBN:
Category :
Languages : en
Pages : 48
Book Description
A closure for the compressible portion of the pressure strain covariance is developed. It is shown that, within the context of a pressure strain closure assumption linear in the Reynolds stresses, an expression for the pressure dilatation can be used to construct a representation for the pressure strain. Additional closures for the unclosed terms in the Favre Reynolds stress equations involving the mean acceleration are also constructed. The closures accommodate compressibility corrections depending on the magnitude of the turbulent Mach number, the mean density gradient, the mean pressure gradient, the mean dilatation, and, of course, the mean velocity gradients. The effects of the compressibility corrections are consistent with current DNS results. Using the compressible pressure strain and mean acceleration closures in the Favre Reynolds stress equations an algebraic closure for the Favre Reynolds stresses is constructed. Noteworthy is the fact that, in the absence of mean velocity gradients, the mean density gradient produces Favre Reynolds stresses in accelerating mean flows. Computations of the mixing layer using the compressible closures developed are described. Favre Reynolds stress closure and two equation algebraic models are compared to laboratory data. The mixing layer configuration computations are compared to laboratory data; since the laboratory data for the turbulence stresses is inconsistent, this comparison is inconclusive. Comparisons for the spread rate reduction indicate a sizable decrease in the mixing layer growth rate.
Compressibility, Turbulence and High Speed Flow
Author: Thomas B. Gatski
Publisher: Elsevier
ISBN:
Category : Science
Languages : en
Pages : 310
Book Description
complimentary treatment of both the theoretical foundations and the measurement and analysis tools currently used." --Book Jacket.
Publisher: Elsevier
ISBN:
Category : Science
Languages : en
Pages : 310
Book Description
complimentary treatment of both the theoretical foundations and the measurement and analysis tools currently used." --Book Jacket.
Scientific and Technical Aerospace Reports
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 692
Book Description
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 692
Book Description
Evaluation of Reynolds Stress Turbulence Closures in Compressible Homogeneous Shear Flow
Author: Institute for Computer Applications in Science and Engineering
Publisher:
ISBN:
Category :
Languages : en
Pages : 36
Book Description
Publisher:
ISBN:
Category :
Languages : en
Pages : 36
Book Description
Evaluation of Algebraic Reynolds Stress Models for Separated High-speed Flows
Author: Donald P. Rizzetta
Publisher:
ISBN:
Category :
Languages : en
Pages :
Book Description
Publisher:
ISBN:
Category :
Languages : en
Pages :
Book Description