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Turbulence in Porous Media

Modeling and Applications

By
  • Marcelo de Lemos, Departamento de Energia, IEME; Instituto Technologico de Aeronautica - ITA, Brazil

‘Turbulence in Porous Media’ introduces the reader to the characterisation of turbulent flow, heat and mass transfer in permeable media, including analytical data and a review of available experimental data. Such transport processes occurring a relatively high velocity in permeable media are present in a number of engineering and natural flows. This new edition features a completely updated text including two new chapters exploring Turbulent Combustion and Moving Porous Media. De Lemos has expertly brought together a text that compiles, details, compares and evaluates available methodologies for modelling and simulating flow, providing an essential tour for engineering students working within the field as well as those working in chemistry, physics, applied mathematics, and geological and environmental sciences.

Audience
Mechanical engineers and researchers with an interest in heat transfer and fluid flow; also materials scientists and researchers working with porous media, and interested in the properties and characterisation of such materials.

Hardbound, 408 Pages

Published: June 2012

Imprint: Elsevier

ISBN: 978-0-08-098241-0

Contents

  • Preface to the First Edition

    Preface to the Second Edition

    Overview

    Part One: Modeling

    1. Introduction

    1.1. Overview of Porous Media Modeling

    1.2. Overview of Turbulence Modeling

    1.3. Turbulent Flow in Permeable Structures

    2. Governing Equations

    2.1. Local Instantaneous Governing Equations

    2.2. The Averaging Operators

    2.3. Time Averaged Transport Equations

    2.4. Volume Averaged Transport Equations

    3. The Double-Decomposition Concept

    3.1. Basic Relationships

    3.2. Classification of Macroscopic Turbulence Models

    4. Turbulent Momentum Transport

    4.1. Momentum Equation

    4.2. Turbulent Kinetic Energy

    4.3. Macroscopic Turbulence Model

    5. Turbulent Heat Transport

    5.1. Macroscopic Energy Equation

    5.2. Thermal Equilibrium Model

    5.3. Thermal Non-Equilibrium Model

    5.4. Macroscopic Buoyancy Effects

    6. Turbulent Mass Transport

    6.1. Mean Field

    6.2. Turbulent Mass Dispersion

    6.3. Macroscopic Transport Models

    6.4. Mass Dispersion Coefficients

    7. Turbulent Double Diffusion

    7.1. Introduction

    7.2. Macroscopic Double-Diffusion Effects

    7.3. Hydrodynamic Stability

    8. Turbulent Combustion

    8.1. Porous Combustors

    8.2. Macroscopic Flow and Heat Transfer

    8.3. Macroscopic Combustion Modeling

    9. Moving Porous Media

    9.1. Moving Systems

    9.2. Basic Definitions

    9.3. Macroscopic Equations

    Part Two: Application

    10. Numerical Modeling and Algorithms

    10.1. Introduction

    10.2. The Need for Iterative Methods

    10.3. Incompressible Vs. Compressible Solution Strategies

    10.4. Geometry Modeling

    10.5. Treatment of the Convection Term

    10.6. Discretized Equations for Transient Three-Dimensional Flows

    10.7. Systems of Algebraic Equations

    10.8. Treatment of the u, w-T Coupling

    10.9. Treatment of the u, w-V Coupling

    10.10. Treatment of the u, w-V-T Coupling

    11. Applications in Hybrid Media

    11.1. Forced Flows in Composite Channels

    11.2. Channels with Porous and Solid Baffles

    11.3. Turbulent Impinging Jet Onto a Porous Layer

    11.4. Buoyant Flows

    11.5. Flow and Heat Transfer in a Back-Step

    11.6. Porous Burners

    11.7. Moving Beds

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