Preface | p. xi |
Acknowledgments | p. xiii |
Authors | p. xv |
Nomenclature | p. xvii |
Greek Symbols | p. xxi |
Subscripts | p. xxiii |
Introduction to Microscale Heat Transfer | p. 1 |
Microscale Heat Transfer: A Recent Avenue in Energy Transport | p. 1 |
State of the Art: Some Introductory Remarks | p. 2 |
Overview of Microscale Transport Phenomena | p. 4 |
Microchannel Flow and Convective Heat Transfer | p. 5 |
Phase Change and Two-Phase Flow | p. 8 |
Conduction and Radiation in the Microscale | p. 9 |
Discussions on Size-Effect Behavior | p. 11 |
Comments on Contradictory Observations in Microscale Convection | p. 14 |
Recent Trends | p. 15 |
Fundamental Approach for Microscale Heat Transfer | p. 15 |
Microscopic View Point and Energy Carriers | p. 16 |
Boltzmann Transport Equation | p. 16 |
Electromagnetic Waves and Maxwell's Equations | p. 17 |
Basics of Molecular Dynamics Modeling | p. 19 |
Introduction to Engineering Applications of Microscale Heat Transfer | p. 20 |
Thin Films | p. 20 |
Microchannel Heat Exchangers | p. 21 |
Micro Heat Pipes and Micro Heat Spreaders | p. 22 |
Other Applications | p. 24 |
Concluding Remarks | p. 26 |
References | p. 27 |
Microscale Heat Conduction | p. 31 |
Review of Conduction Heat Transfer | p. 31 |
Conduction at the Microscale | p. 33 |
Space and Timescales | p. 35 |
Fundamental Approach | p. 38 |
Thermal Conductivity | p. 43 |
Thermal Conductivity Models | p. 44 |
Thermal Conductivity Expression from Kinetic Theory | p. 44 |
Thermal Conductivity Models for Solids | p. 45 |
Thermal Conductivity of Liquids | p. 50 |
Thermal Conductivity of Solid-Liquid Suspensions | p. 51 |
Thermal Conductivity Prediction Using Molecular Dynamics | p. 52 |
Boltzmann Equation and Phonon Transport | p. 54 |
Conduction in Thin Films | p. 55 |
Superconducting Films | p. 58 |
Laser-Induced Heating | p. 61 |
Heat Conduction in Electronic Devices | p. 68 |
Measurement of Heat Conduction in the Microscale | p. 72 |
Electrical Probe Techniques | p. 73 |
Optical Methods | p. 76 |
Conduction in Semiconductor Devices | p. 81 |
Conduction in Dielectric Films | p. 82 |
Conduction in Crystalline Substances | p. 85 |
Concluding Remarks | p. 88 |
References | p. 90 |
Fundamentals of Microscale Convection | p. 95 |
Introduction | p. 95 |
Convective Heat Transfer in Microtubes and Channels | p. 97 |
Thermodynamic Considerations | p. 97 |
Continuum Approach | p. 98 |
Conservation Laws and Governing Equations | p. 99 |
Solution in Size-Affected Domains | p. 101 |
Single-Phase Forced Convection in Microchannels | p. 101 |
Flow Regimes and Flow Transition | p. 102 |
Hydrodynamic and Thermal Entry Lengths | p. 104 |
Nonconventional Analysis Methods | p. 105 |
Electric Double Layer Theory for Ionic Fluids | p. 106 |
Augmented Equations for Micropolar Fluids | p. 110 |
Slip Flow Models for Gas Flow | p. 111 |
Boiling and Two-Phase Flow | p. 113 |
Two-Phase Flow Patterns | p. 115 |
Boiling Curve and Critical Heat Flux | p. 116 |
Boiling Nucleation and Two-Phase Flow in Microchannels | p. 117 |
Condensation in Microchannels | p. 120 |
Concluding Remarks | p. 122 |
References | p. 122 |
Engineering Applications of Microscale Convective Heat Transfer | p. 125 |
Introduction | p. 125 |
Research and Development | p. 125 |
Early Investigations on Microscale Convective Heat Transfer | p. 125 |
Single-Phase Liquid Flow | p. 126 |
Gas Flow in Microchannels | p. 131 |
Phase Change and Two-Phase Flow | p. 134 |
Recent Advances in Microscale Convective Heat Transfer | p. 139 |
Single-Phase Liquid Flow | p. 139 |
Gas Flow | p. 164 |
Phase Change and Two-Phase Flow | p. 166 |
Design Optimization | p. 173 |
Review Papers | p. 173 |
Analysis of Systems for Engineering Applications | p. 174 |
Computational Analysis of Microchannel Heat Sinks | p. 174 |
Analysis of Rectangular Microchannels | p. 175 |
Micro Fin Arrays in the Slip Flow Domain | p. 183 |
Optical Measurements | p. 190 |
Concentration and Diffusion Measurements | p. 192 |
Temperature Field and Heat Transfer in Mini Channels | p. 193 |
Other Visualization Methods | p. 196 |
Micro Heat Pipes and Micro Heat Spreaders | p. 197 |
Modeling of Conventional Micro Heat Pipes | p. 200 |
Wire-Sandwiched (Wire-Bonded) Micro Heat Pipes | p. 212 |
Flat Plate Micro Heat Spreaders | p. 219 |
Other Innovative Designs of Micro Heat Pipes | p. 222 |
Comparative Study of Micro Heat Pipes | p. 226 |
Integration of Microchannel Heat Sinks to Substrates | p. 226 |
Concluding Remarks | p. 237 |
References | p. 237 |
Microscale Radiative Heat Transfer | p. 251 |
Macroscopic Approach | p. 251 |
Microscopic Approach | p. 253 |
Microscales in Radiative Transfer | p. 255 |
Spatial Microscales for Radiation | p. 255 |
Temporal Microscales | p. 258 |
Investigations of Microscale Radiation | p. 259 |
Radiation Interaction with Microstructures and Materials | p. 260 |
Radiation Scattering by Microstructures | p. 261 |
Studies on Silicon Films | p. 262 |
Superconducting Materials and Films | p. 263 |
Modeling of Microscale Radiation | p. 264 |
Particulate Systems: Modeling with Electrical Field | p. 265 |
Thin Metallic Films: Boltzmann and Maxwell Equations | p. 266 |
Short-Pulse Laser Interactions: Deviations from Classical Models | p. 268 |
Radiation Properties in the Microscale Regime | p. 273 |
Recent Developments in Theoretical Modeling | p. 282 |
Concluding Remarks | p. 284 |
References | p. 285 |
Nanoscale Thermal Phenomena | p. 289 |
Introduction | p. 289 |
Length Scales for Nanoscale Heat Transfer | p. 290 |
Heat Transfer Modes in Nanoscale Size-Affected Domains | p. 291 |
Application Areas of Nanoscale Heat Transfer | p. 293 |
Nanoparticles and Nanofluids | p. 293 |
Preparation of Nanofluids | p. 296 |
State of the Art in Experimental Investigations | p. 297 |
Determination of Effective Thermal Conductivity | p. 297 |
Studies on Thermal Conductivity | p. 300 |
Transport Phenomena in Nanoparticle Suspensions | p. 304 |
Measurements in Nanofluids | p. 307 |
Thermal Conductivity | p. 307 |
Effect of Temperature and Volume Fraction on Thermal Conductivity | p. 310 |
Effect of Particle Size on Thermal Conductivity | p. 314 |
Transient and Steady-State Experimental Methods for Nanofluids | p. 316 |
Viscosity Measurements | p. 318 |
Surface Tension | p. 321 |
Onset of Natural Convection | p. 322 |
Forced Convection in Heat Exchangers | p. 326 |
Phase Change Heat Transfer | p. 329 |
Boiling | p. 331 |
Burnout Heat Flux | p. 333 |
Effects of Agitation Time and Sedimentation on Burnout | p. 333 |
Theoretical Investigations | p. 335 |
Molecular Dynamics Simulation | p. 336 |
Molecular Dynamics for Nanofluids | p. 343 |
General Methodology | p. 345 |
Simulations for Thermophysical Properties | p. 346 |
Modeling of Thermal Phenomena | p. 350 |
Special Topics in Thermal Phenomena | p. 356 |
Natural Convection under Various Heating Conditions | p. 356 |
Mixing Effect Due to Brownian Motion | p. 360 |
Microconvection in Nanofluids | p. 362 |
Concluding Remarks | p. 369 |
References | p. 370 |
Numerical Examples | p. 379 |
Microscale Conduction | p. 379 |
Microscale Convective Heat Transfer | p. 381 |
Microscale Radiation | p. 391 |
Nanoscale Thermal Phenomena | p. 394 |
Index | p. 399 |
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