Cellular and porous materials : thermal properties simulation and prediction / / edited by Andreas Öchsner, Graeme E. Murch and Marcelo J. S. de Lemos

• Pubblicazione: Weinheim, [Germany] : , : Wiley-VCH Verlag GmbH & Co. KGaA, , 2008; ©2008
• Descrizione fisica: 1 online resource (442 p.)
• Disciplina: 536.23; 536/.23
• Soggetto topico: Porous materials - Thermal properties
• Persona (resp. second.): ÖchsnerAndreas; MurchG. E.; LemosMarcelo J. S. de
• Note generali: Description based upon print version of record.
• Nota di bibliografia: Includes bibliographical references at the end of each chapters and index.
• Nota di contenuto: Cellular and Porous Materials Thermal Properties Simulation and Prediction; Contents; Preface; List of Contributors; 1 Interfacial Heat Transport in Highly Permeable Media: A Finite Volume Approach; 1.1 Introduction; 1.2 Governing Equations; 1.2.1 Microscopic Transport Equations; 1.2.2 Decomposition of Flow Variables in Space and Time; 1.2.3 Macroscopic Flow and Energy Equations; 1.2.4 Macroscopic Two-Energy Equation Modeling; 1.2.5 Interfacial Heat Transfer Coefficient; 1.3 Numerical Determination of hi; 1.3.1 Physical Model; 1.3.2 Periodic Flow; 1.3.3 Film Coefficient hi ; 1.4 Results and Discussion1.4.1 Array of Square Rods; 1.4.2 Array of Elliptic Rods; 1.4.3 Correlations for Laminar and Turbulent Flows; 1.5 Conclusions; References; 2 Effective Thermal Properties of Hollow-Sphere Structures: A Finite Element Approach; 2.1 Introduction; 2.1.1 Finite Element Method and Heat Transfer Problems; 2.1.2 Hollow-Sphere Structures in the Context of Cellular Metals; 2.2 Finite Element Method; 2.2.1 Basics of Heat Transfer; 2.2.2 Weighted Residual Method; 2.2.3 Discretization and Principal Finite Element Equation; 2.2.4 Four-Node Planar Bilinear Quadrilateral (Quad4) ; 2.2.4.1 General Rectangular Quad4 Element2.2.4.2 Postprocessing; 2.2.5 Nonlinearities; 2.3 Modelling of Hollow-Sphere Structures; 2.3.1 Geometry, Mesh and Boundary Conditions; 2.3.2 Material Properties; 2.4 Determination of the Effective Thermal Conductivities; 2.4.1 Influence of the Morphology and Joining Technique; 2.4.2 Influence of the Topology; 2.4.3 Temperature-Dependent Material Properties; 2.4.3.1 Low Temperature Gradient; 2.4.3.2 High Temperature Gradient; 2.4.4 Application Example: Sandwich Structure; 2.5 Conclusions; References ; 3 Thermal Properties of Composite Materials and Porous Media: Lattice-Based Monte Carlo Approaches3.1 Introduction; 3.2 Monte Carlo Methods of Calculation of the Effective Thermal Conductivity; 3.2.1 The Einstein Equation; 3.2.2 Fick's First Law (Fourier Equation); 3.3 Monte Carlo Calculations of the Effective Thermal Conductivity; 3.3.1 Effective Diffusion in Two-Component Composites/Porous Media; 3.3.2 Effective Diffusion in Three-Component Composites; 3.4 Determination of Temperature Profiles; References; 4 Fluid Dynamics in Porous Media: A Boundary Element Approach; 4.1 Introduction ; 4.1.1 Transport Phenomena in Porous Media4.1.2 Boundary Element Method for Fluid Dynamics in Porous Media; 4.2 Governing Equations; 4.3 Boundary Element Method; 4.3.1 Velocity-Vorticity Formulation; 4.3.2 Boundary Domain Integral Equations; 4.3.3 Discretized Boundary Domain Integral Equations; 4.3.4 Solution Procedure; 4.4 Numerical Examples; 4.4.1 Double-Diffusive Natural Convection in Vertical Cavity; 4.4.2 Double-Diffusive Natural Convection in a Horizontal Porous Layer; 4.5 Conclusion; References; 5 Analytical Methods for Heat Conduction in Composites and Porous Media; 5.1 Introduction ; 5.2 Mathematical Models for Heat Conduction
• Sommario/riassunto: Providing the reader with a solid understanding of the fundamentals as well as an awareness of recent advances in properties and applications of cellular and porous materials, this handbook and ready reference covers all important analytical and numerical methods for characterizing and predicting thermal properties. In so doing it directly addresses the special characteristics of foam-like and hole-riddled materials, combining theoretical and experimental aspects for characterization purposes.
• Titolo autorizzato: Cellular and porous materials
• ISBN: 1-282-01060-3; 9786612010606; 3-527-62140-7; 3-527-62141-5
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Lingua di pubblicazione: Inglese
• Record Nr.: 9910829906103321
• Lo trovi qui: Univ. Federico II