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Modelling Turbulence in Engineering and the Environment Second-Moment Routes to Closure

ISBN-10: 0521845750

ISBN-13: 9780521845755

Edition: 2011

Authors: Kemal Hanjali�, Brian Launder

List price: $192.95
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Book details

List price: $192.95
Copyright year: 2011
Publisher: Cambridge University Press
Publication date: 10/20/2011
Binding: Hardcover
Pages: 402
Size: 7.00" wide x 10.00" long x 1.00" tall
Weight: 2.112
Language: English

Kemo Hanjali� is Professor Emeritus at Delft University of Technology in The Netherlands. He has published extensively on the measurement, modelling and simulation of turbulence including heat transfer, combustion and magneto-fluid-dynamics. He is widely recognised as a major contributor to the development of mathematical models of turbulence and served for a decade as chairman of ERCOFTAC's special-interest group on turbulence modelling.

Preface
Nomenclature
Introduction
The fact of turbulent flow
Broad options in modelling
A preview of the mean-strain generation processes in the stress-transport equation
Some consequences of the no-slip boundary condition at a wall
Sequencing of the material
The exact equations
The underpinning conservation equations
The Reynolds equations
The second-moment equations
Characterization of stress and flux dynamics: elements required for modelling
Introduction
Energy flow processes in turbulence
The spectral character of turbulence
The e-equation
Transport equation for the mean-square scalar variance, �<sup>2</sup>
Transport equation for dissipation of scalar variance, &#8364;<sub>��</sub>
Turbulence anisotropy, invariants and realizability
Approaches to closure
General remarks and basic guidelines
Pressure interactions, �<sub>ij</sub> and �<sub>�j</sub> the Poisson equation
The basic second-moment closure for high-Re</sub>t</sub> flow regions
Pressure-strain models from tensor expansion
Turbulence affected by force fields
Modelling the triple moments
Modelling the scale-determining equations
The energy dissipation rate, �
Other scale-determining equations
Multi-scale approaches
Determining �<sub>��</sub>, the dissipation rate of �<sup>2</sup>
Modelling in the immediate wall vicinity and at low Re<sub>t</sub>
The nature of viscous and wall effects: options for modelling
The structure of the near-wall sublayer
Wall integration (WIN) schemes
Illustration of the performance of two near-wall models
Elliptic relaxation concept
Simplified schemes
Rationale and organization
Reduced transport-equation models
Algebraic truncations of the second-moment equations
Linear eddy-viscosity models
The use of ASMs and linear EVMs within an unsteady RANS framework
Wall functions
Early proposals
Towards a generalization of the wall-function concept: preliminaries
Analytical wall functions (AWF): the Manchester scheme
A Simplified AWF (SAWF): the Delft scheme
Blended wall treatment (BWT)
Numerical wall functions (NWF)
References
Index