Convection heat transfer

ADRIAN BEJAN, PhD, is the J. A. Jones Professor of Mechanical Engineering at Duke University. An internationally recognized authority on heat transfer and thermodynamics, Bejan has pioneered the methods of entropy generation minimization, scale analysis, heatlines and masslines, intersection of asym...

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Detalles Bibliográficos
Autor principal:	Bejan, Adrian (-)
Formato:	Libro electrónico
Idioma:	Inglés
Publicado:	Hoboken, N.J. : Wiley 2013.
Edición:	4th ed
Materias:	Heat > Convection.
Ver en Biblioteca Universitat Ramon Llull:	https://discovery.url.edu/permalink/34CSUC_URL/1im36ta/alma991009714811706719

Tabla de Contenidos:

Cover
Title Page
Copyright
Contents
Preface
Preface to the Third Edition
Preface to the Second Edition
Preface to the First Edition
List of Symbols
Chapter 1 Fundamental Principles
1.1 Mass Conservation
1.2 Force Balances (Momentum Equations)
1.3 First Law of Thermodynamics
1.4 Second Law of Thermodynamics
1.5 Rules of Scale Analysis
1.6 Heatlines for Visualizing Convection
References
Problems
Chapter 2 Laminar Boundary Layer Flow
2.1 Fundamental Problem in Convective Heat Transfer
2.2 Concept of Boundary Layer
2.3 Scale Analysis
2.4 Integral Solutions
2.5 Similarity Solutions
2.5.1 Method
2.5.2 Flow Solution
2.5.3 Heat Transfer Solution
2.6 Other Wall Heating Conditions
2.6.1 Unheated Starting Length
2.6.2 Arbitrary Wall Temperature
2.6.3 Uniform Heat Flux
2.6.4 Film Temperature
2.7 Longitudinal Pressure Gradient: Flow Past a Wedge and Stagnation Flow
2.8 Flow Through the Wall: Blowing and Suction
2.9 Conduction Across a Solid Coating Deposited on a Wall
2.10 Entropy Generation Minimization in Laminar Boundary Layer Flow
2.11 Heatlines in Laminar Boundary Layer Flow
2.12 Distribution of Heat Sources on a Wall Cooled by Forced Convection
2.13 The Flow of Stresses
References
Problems
Chapter 3 Laminar Duct Flow
3.1 Hydrodynamic Entrance Length
3.2 Fully Developed Flow
3.3 Hydraulic Diameter and Pressure Drop
3.4 Heat Transfer To Fully Developed Duct Flow
3.4.1 Mean Temperature
3.4.2 Fully Developed Temperature Profile
3.4.3 Uniform Wall Heat Flux
3.4.4 Uniform Wall Temperature
3.5 Heat Transfer to Developing Flow
3.5.1 Scale Analysis
3.5.2 Thermally Developing Hagen-Poiseuille Flow
3.5.3 Thermally and Hydraulically Developing Flow
3.6 Stack of Heat-Generating Plates.
3.7 Heatlines in Fully Developed Duct Flow
3.8 Duct Shape for Minimum Flow Resistance
3.9 Tree-Shaped Flow
References
Problems
Chapter 4 External Natural Convection
4.1 Natural Convection as a Heat Engine in Motion
4.2 Laminar Boundary Layer Equations
4.3 Scale Analysis
4.3.1 High-Pr Fluids
4.3.2 Low-Pr Fluids
4.3.3 Observations
4.4 Integral Solution
4.4.1 High-Pr Fluids
4.4.2 Low-Pr Fluids
4.5 Similarity Solution
4.6 Uniform Wall Heat Flux
4.7 Effect of Thermal Stratification
4.8 Conjugate Boundary Layers
4.9 Vertical Channel Flow
4.10 Combined Natural and Forced Convection (Mixed Convection)
4.11 Heat Transfer Results Including the Effect of Turbulence
4.11.1 Vertical Walls
4.11.2 Inclined Walls
4.11.3 Horizontal Walls
4.11.4 Horizontal Cylinder
4.11.5 Sphere
4.11.6 Vertical Cylinder
4.11.7 Other Immersed Bodies
4.12 Stack of Vertical Heat-Generating Plates
4.13 Distribution of Heat Sources on a Vertical Wall
References
Problems
Chapter 5 Internal Natural Convection
5.1 Transient Heating from the Side
5.1.1 Scale Analysis
5.1.2 Criterion for Distinct Vertical Layers
5.1.3 Criterion for Distinct Horizontal Jets
5.2 Boundary Layer Regime
5.3 Shallow Enclosure Limit
5.4 Summary of Results for Heating from the Side
5.4.1 Isothermal Sidewalls
5.4.2 Sidewalls with Uniform Heat Flux
5.4.3 Partially Divided Enclosures
5.4.4 Triangular Enclosures
5.5 Enclosures Heated from Below
5.5.1 Heat Transfer Results
5.5.2 Scale Theory of the Turbulent Regime
5.5.3 Constructal Theory of Benard Convection
5.6 Inclined Enclosures
5.7 Annular Space Between Horizontal Cylinders
5.8 Annular Space Between Concentric Spheres
5.9 Enclosures for Thermal Insulation and Mechanical Strength
References
Problems.
Chapter 6 Transition to Turbulence
6.1 Empirical Transition Data
6.2 Scaling Laws of Transition
6.3 Buckling of Inviscid Streams
6.4 Local Reynolds Number Criterion for Transition
6.5 Instability of Inviscid Flow
6.6 Transition in Natural Convection on a Vertical Wall
References
Problems
Chapter 7 Turbulent Boundary Layer Flow
7.1 Large-Scale Structure
7.2 Time-Averaged Equations
7.3 Boundary Layer Equations
7.4 Mixing Length Model
7.5 Velocity Distribution
7.6 Wall Friction in Boundary Layer Flow
7.7 Heat Transfer in Boundary Layer Flow
7.8 Theory of Heat Transfer in Turbulent Boundary Layer Flow
7.9 Other External Flows
7.9.1 Single Cylinder in Cross Flow
7.9.2 Sphere
7.9.3 Other Body Shapes
7.9.4 Arrays of Cylinders in Cross Flow
7.10 Natural Convection Along Vertical Walls
References
Problems
Chapter 8 Turbulent Duct Flow
8.1 Velocity Distribution
8.2 Friction Factor and Pressure Drop
8.3 Heat Transfer Coefficient
8.4 Total Heat Transfer Rate
8.4.1 Isothermal Wall
8.4.2 Uniform Wall Heating
8.4.3 Time-Dependent Heat Transfer
8.5 More Refined Turbulence Models
8.6 Heatlines in Turbulent Flow Near a Wall
8.7 Channel Spacings for Turbulent Flow
References
Problems
Chapter 9 Free Turbulent Flows
9.1 Free Shear Layers
9.1.1 Free Turbulent Flow Model
9.1.2 Velocity Distribution
9.1.3 Structure of Free Turbulent Flows
9.1.4 Temperature Distribution
9.2 Jets
9.2.1 Two-Dimensional Jets
9.2.2 Round Jets
9.2.3 Jet in Density-Stratified Reservoir
9.3 Plumes
9.3.1 Round Plume and the Entrainment Hypothesis
9.3.2 Pulsating Frequency of Pool Fires
9.3.3 Geometric Similarity of Free Turbulent Flows
9.4 Thermal Wakes Behind Concentrated Sources
References
Problems.
Chapter 10 Convection with Change of Phase
10.1 Condensation
10.1.1 Laminar Film on a Vertical Surface
10.1.2 Turbulent Film on a Vertical Surface
10.1.3 Film Condensation in Other Configurations
10.1.4 Drop Condensation
10.2 Boiling
10.2.1 Pool Boiling Regimes
10.2.2 Nucleate Boiling and Peak Heat Flux
10.2.3 Film Boiling and Minimum Heat Flux
10.2.4 Flow Boiling
10.3 Contact Melting and Lubrication
10.3.1 Plane Surfaces with Relative Motion
10.3.2 Other Contact Melting Configurations
10.3.3 Scale Analysis and Correlation
10.3.4 Melting Due to Viscous Heating in the Liquid Film
10.4 Melting By Natural Convection
10.4.1 Transition from the Conduction Regime to the Convection Regime
10.4.2 Quasisteady Convection Regime
10.4.3 Horizontal Spreading of the Melt Layer
References
Problems
Chapter 11 Mass Transfer
11.1 Properties of Mixtures
11.2 Mass Conservation
11.3 Mass Diffusivities
11.4 Boundary Conditions
11.5 Laminar Forced Convection
11.6 Impermeable Surface Model
11.7 Other External Forced Convection Configurations
11.8 Internal Forced Convection
11.9 Natural Convection
11.9.1 Mass-Transfer-Driven Flow
11.9.2 Heat-Transfer-Driven Flow
11.10 Turbulent Flow
11.10.1 Time-Averaged Concentration Equation
11.10.2 Forced Convection Results
11.10.3 Contaminant Removal from a Ventilated Enclosure
11.11 Massfunction and Masslines
11.12 Effect of Chemical Reaction
References
Problems
Chapter 12 Convection in Porous Media
12.1 Mass Conservation
12.2 Darcy Flow Model and the Forchheimer Modification
12.3 First Law of Thermodynamics
12.4 Second Law of Thermodynamics
12.5 Forced Convection
12.5.1 Boundary Layers
12.5.2 Concentrated Heat Sources
12.5.3 Sphere and Cylinder in Cross Flow.
12.5.4 Channel Filled with Porous Medium
12.6 Natural Convection Boundary Layers
12.6.1 Boundary Layer Equations: Vertical Wall
12.6.2 Uniform Wall Temperature
12.6.3 Uniform Wall Heat Flux
12.6.4 Spacings for Channels Filled with Porous Structures
12.6.5 Conjugate Boundary Layers
12.6.6 Thermal Stratification
12.6.7 Sphere and Horizontal Cylinder
12.6.8 Horizontal Walls
12.6.9 Concentrated Heat Sources
12.7 Enclosed Porous Media Heated from the Side
12.7.1 Four Heat Transfer Regimes
12.7.2 Convection Results
12.8 Penetrative Convection
12.8.1 Lateral Penetration
12.8.2 Vertical Penetration
12.9 Enclosed Porous Media Heated from Below
12.9.1 Onset of Convection
12.9.2 Darcy Flow
12.9.3 Forchheimer Flow
12.10 Multiple Flow Scales Distributed Nonuniformly
12.10.1 Heat Transfer
12.10.2 Fluid Friction
12.10.3 Heat Transfer Rate Density: The Smallest Scale for Convection
12.11 Natural Porous Media: Alternating Trees
References
Problems
Appendixes
A Constants and Conversion Factors
B Properties of Solids
C Properties of Liquids
D Properties of Gases
E Mathematical Formulas
Author Index
Subject Index.

Convection heat transfer

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