05294nam 2200637 450 991014437760332120170814184805.01-282-01060-397866120106063-527-62140-73-527-62141-5(CKB)1000000000579347(EBL)481300(OCoLC)609855227(SSID)ssj0000291106(PQKBManifestationID)11232782(PQKBTitleCode)TC0000291106(PQKBWorkID)10248114(PQKB)10380009(MiAaPQ)EBC481300(EXLCZ)99100000000057934720160816h20082008 uy 0engur|n|---|||||txtccrCellular and porous materials thermal properties simulation and prediction /edited by Andreas Öchsner, Graeme E. Murch and Marcelo J. S. de LemosWeinheim, [Germany] :Wiley-VCH Verlag GmbH & Co. KGaA,2008.©20081 online resource (442 p.)Description based upon print version of record.3-527-31938-7 Includes bibliographical references at the end of each chapters and index.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 hi1.4 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; References3 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 Introduction4.1.1 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 Introduction5.2 Mathematical Models for Heat ConductionProviding 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.Porous materialsThermal propertiesElectronic books.Porous materialsThermal properties.536.23536/.23Öchsner AndreasMurch G. E.Lemos Marcelo J. S. deMiAaPQMiAaPQMiAaPQBOOK9910144377603321Cellular and porous materials2107747UNINA