Advances in Heat Transfer (eBook)

Front Cover 1
Advances in Heat Transfer, Volume 20 4
Copyright Page 5
Contents 6
Chapter 1. Nucleate Boiling Heat Transfer and Its Augmentation 10
I. Introduction 10
II. Nondimensional Correlating Equation of Nucleate Boiling Heat Transfer 11
III. Simplified Formula for Heat Transfer in Nucleate Boiling Based on Thermodynamic Similarity of Thermal Properties 27
IV. Effect of Surface Configuration on Nucleate Boiling 32
V. Nucleate Boiling in Narrow Spaces 45
VI. Nucleate Boiling at Low Liquid Levels 64
VII. Augmentation of Nucleate Boiling Heat Transfer 72
VIII. Concluding Remarks 86
Nomenclature 87
References 88
Chapter 2. Two-Phase Slug Flow 92
I. Introduction 92
II. Steady-State Slug-Flow Modeling 94
III. Severe Slugging 124
Nomenclature 138
References 139
Chapter 3. Unified Regenerator Theory and Reexamination of the Unidirectional Regenerator Performance 142
I. Introduction 142
II. “Boxed” Process for Regenerators 148
III. Analytical Solution for the Unidirectional Operation 158
IV. Concluding Remarks 185
Nomenclature 187
References 188
Chapter 4. Thermal Control of Electronic Equipment and Devices 190
I. Introduction 190
II. Natural Convection 192
III. Forced Convection 229
IV. Boiling and Immersion Cooling 252
V. Thermal Contact Resistance 267
VI. Thermal Control Using Heat Pipes 281
Nomenclature 307
References 308
Chapter 5. Combined Heat and Mass Transfer by Natural Convection in a Porous Medium 324
I. Introduction 324
II. Physical Model 325
III. Heat and Mass Transfer in the Vertical Direction 327
IV. Heat and Mass Transfer in the Horizontal Direction 339
V. Concentrated Sources of Heat and Mass 352
VI. Concluding Remarks 356
Nomenclature 357
References 358
Chapter 6. Applicability of Solutions for Convection in Potential Flow 362
I. Introduction 362
II. Derivations and Solutions for Convection in Potential Flow 363
III. Convection in Potential Flow along a Flat Plate 366
IV. Convection in Potential Flow across a Circular Cylinder 368
V. Convection in Potential Flow over Elliptical Cylinders 370
VI. Convection on the Front Face of a Strip of Finite Height 371
VII. Convection in Potential Flow over a Wedge 372
VIII. Convection in Planar Potential Flow Impinging Normally on a Plane 373
IX. General Formulation for Convection in Axisymmetric Potential Flow 374
X. Convection in Potential Flow over a Cone 376
XI. Convection in Potential Flow along an Infinitely Long Pointed Needle 377
XII. Convection in Potential Flow Impinging Axisymmetrically on a Plane 378
XIII. Convection in Potential Flow over a Sphere 378
XIV. Effect of Transverse Curvature on Convection in Potential Flow over an Isothermal Sphere 379
XV. Convection in Axially Symmetric Potential Flow over Isothermal Spheroids of Revolution 381
XVI. Convection in Potential Flow over an Isothermal Spherical Cap 383
XVII. Comparison of Solutions for Mean Nusselt Numbers in Potential Flow over Various Shapes with PeD-8 383
XVIII. Applicability of Solutions for Convection in Potential Flow 385
XIX. Utility of Solutions for Convection in Potential Flow for the Development of Correlating Equations 391
XX. Summary and Conclusions 392
Nomenclature 393
References 395
Index 398