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多孔介质的传热传质机制（英文版）
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Porous Media Heat and Mass Transfer Transport and Mechanics A porous material is a solid that is saturated by an interconnected network of pores filled with liquid or gas. It is an inorganic or organic cross linked or uncross linked containing pores of all sizes. The pore network is assumed to be continuous, forming two interpenetrating continua such as in a sponge. Examples of porous media range from porous silicon which is porous on the sub manometer scale to limestone caves and underground river systems on the kilometre scale. Most research on porous media analyses the transport processes in a macro scale approximation.This book focuses on semi-analytical solutions for thermo-poroelasticity field equations; pore size from units to hundreds of micro meters and assumptions and reactive processes as well as the mathematical formulations of these models. It represents the different concepts of porous media as it is used in many areas of applied science and engineering. This book presents current activities and new advances of porous media throughout the world. Table of contents : POROUS MEDIA: HEAT AND MASS TRANSFER, TRANSPORT AND MECHANICS......Page 3 NOTICE TO THE READER......Page 6 CONTENTS......Page 7 PREFACE......Page 9 ABSTRACT......Page 13 INTRODUCTION......Page 14 SEGREGATION......Page 15 SEGREGATION IN URBAN ATMOSPHERIC MODELING......Page 16 REACTIVE TRANSPORT AND FLOW MODELING......Page 17 THE TRANSPORT EQUATION......Page 18 TRANSPORT MODELING......Page 21 BIMOLECULAR REACTIVE TRANSPORT......Page 24 NUMERICAL SIMULATIONS......Page 26 SEGREGATION INTENSITY MODEL......Page 29 APPLYING THE MODEL: EXAMPLES AND DISCUSSION......Page 30 REFERENCES......Page 34 ABSTRACT......Page 39 2. STRESS CHANGE MEASUREMENT......Page 40 3.2. Poroelastic Arching Ratios......Page 43 4.1. Background......Page 44 4.2. Elasticity Field Equations......Page 45 4.3. Theory of Strain Nuclei......Page 46 4.4. Theory of Inclusions......Page 48 5. THEORY OF INHOMOGENEITIES......Page 52 6. CASE STUDY: EKOFISK OIL FIELD......Page 57 6.3. Induced Stress Change Analysis......Page 60 7. CONCLUSION......Page 61 8. NOMENCLATURE......Page 62 REFERENCES......Page 65 ABSTRACT......Page 69 2. CLASSIFICATION OF THE POROUS HYDROGELS BY PORE SIZE......Page 70 3.2. Crosslinking Polymerization in Presence of Soluble Substances (Particles of Sugars, Salts) which Are Washed out from the Hydrogel after Polymerization......Page 71 3.3. Crosslinking Polymerization in the Presence of Substances Releasing Gases which Remain in the Resulting Hydrogel......Page 72 4.1. Mercury Porosimetry......Page 73 4.2. BET Surfeace Area Measurements......Page 74 4.3. Scanning Electron Microscopy (SEM)......Page 75 4.4. Confocal Microscopy......Page 76 4.6. Mechanical Properties......Page 77 5. MODIFICATION OF POROUS HYDROGELS......Page 78 6.1. Porous Hydrogels (According to 3.2.) for Tissue Engine......Page 79 6.2. Characterization of the Porous Hydrogels Prepared According to 3.2......Page 80 6.3. Characterization of through-Flow Properties of the Hydrogelswith Communicating Pores......Page 81 8. REFERENCES......Page 82 INTRODUCTION......Page 87 SOME DRUG RELEASE KINETIC EQUATIONS......Page 88 METHODS......Page 89 Menger Sponge......Page 90 Cubic Networks......Page 93 RESULTS AND DISCUSSION......Page 97 CONCLUSIONS......Page 108 NOMENCLATURE......Page 109 REFERENCES......Page 110 ABSTRACT......Page 113 1. INTRODUCTION......Page 114 2.1. Surfactant and Contaminant Coupled Transport Model......Page 115 2.2. Solute Transport Coupled with Two, Multi-Site Sorption Model......Page 116 2.3. Multi-Component Reactive Transport Model......Page 119 2.4. Multi-Component Multi-Phase Flow Model......Page 120 2.5. UTCHEM Model......Page 123 3. DISCUSSION......Page 125 4. CONCLUSIONS AND RECOMMENDATIONS......Page 128 REFERENCES......Page 129 ABSTRACT......Page 133 1. INTRODUCTION......Page 134 2.1. Viscous Flow......Page 135 2.2. Gas Diffusion......Page 140 2.3. Knudsen Diffusion......Page 141 2.4. Surface Diffusion......Page 143 3. PERMEABILITY OF GAS......Page 145 4. LOADING FACTOR DETERMINATION......Page 149 NOTATIONS......Page 161 REFERENCES......Page 162 ABSTRACT......Page 165 1. INTRODUCTION......Page 166 2. NUMERICAL SIMULATION......Page 168 3. POROSITY......Page 170 4. HEAT EXCHANGE......Page 172 5. PERMEABILITY......Page 176 REFERENCES......Page 179 1. INTRODUCTION......Page 183 2. THEORETICAL BACKGROUND......Page 185 3. MATERIALS AND EXPERIMENTAL PROCEDURE......Page 186 4. TRANSFER PROCESS AND SIZE EXCLUSION EFFECT......Page 188 5. PARTICLE DISPERSION......Page 191 6. PARTICLE DEPOSITION KINETICS - MODELLING OF DEPOSITION FUNCTION......Page 193 REFERENCES......Page 197 INTRODUCTION......Page 199 Agent Vapor Breakthrough through Clothing......Page 202 Air Flow Around, through and Underneath Clothing......Page 209 Vapor Concentration and Deposition Distribution Underneath Clothing......Page 216 DISCUSSION......Page 224 CONCLUSIONS......Page 227 SYMBOLS......Page 228 REFERENCES......Page 230 NOMENCLATURE......Page 233 1. INTRODUCTION......Page 235 2. MATHEMATICAL MODEL......Page 236 3. FINITE ELEMENT FORMULATION......Page 237 4. RESULTS AND DISCUSSION......Page 240 REFERENCES......Page 252 INDEX......Page 255 |
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