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Full Description
The control of energy in the industrial sector and the reduction of consumption in the building sector will be key elements in the energy transition. In order to achieve these objectives it is necessary to use materials with energy performance adapted to their use as well as insulators or super-insulators. In both cases, a thorough knowledge of their thermal properties will be required for optimal success.
This revised and updated 2nd edition of Thermal Properties Measurement of Materials enables the reader to choose the measurement method best suited to the material they are characterizing and provides all of the information required in order to implement it with maximum precision.
This work is intended to be accessible to anyone who needs to measure the thermal properties of a material, whether or not they are a thermal engineer.
Contents
Preface xi
List of Notations xv
Chapter 1. Modeling of Heat Transfer 1
1.1. The different modes of heat transfer 1
1.2. Modeling heat transfer by conduction 8
1.3. The thermal properties of a material 37
Chapter 2. Tools and Methods for Thermal Characterization 43
2.1. Measurement of temperature 43
2.2. Tools for parameter estimation 56
Chapter 3. Steady-State Methods 89
3.1. Introduction 89
3.2. Guarded hot plate 90
3.3. Center hot plate 92
3.4. Hot strip 99
3.5. Hot tube 105
3.6. Cut bar 113
3.7. Calibrated tiny hot plate (CTHP) 121
3.8. Fluxmetric method 130
Chapter 4. Flux/Temperature Transient Methods 141
4.1. Introduction 141
4.2. Infinite hot plate 141
4.3. Finite hot plate 152
4.4. Hot wire 158
4.5. Parallel hot wire 168
4.6. Anistropic parallel hot wire 175
4.7. Flash 1D 182
4.8. Flash 3D 212
4.9. Hot disk 228
4.10. Hot strip 237
4.11. 3ω Method 252
4.12. Calorimetry 258
Chapter 5. Transient Temperature/Temperature Methods 263
5.1. Introduction 263
5.2. Planar three-layer 267
5.3. Cylindrical three-layer 276
5.4. Transient fin method 290
5.5. 4L method 295
Chapter 6. Choice of an Adapted Method 305
6.1. Measurement advice 305
6.2. Choice of method 310
Chapter 7. Analogies Between Different Transfers 315
7.1. Diffusion of heat by conduction 315
7.2. Diffusion of water vapor 316
7.3. Flow of a gas in a porous medium 318
7.4. Analogy between the different transfers 320
Chapter 8. Measuring the Transport Properties of Porous Media 323
8.1. Sorption measurement 323
8.2. Water vapor diffusion coefficient 350
8.3. Permeability 375
8.4. Porosity 392
References 401
Index 413
