Extended Surface Heat Transfer

by Kraus, Allan D.; Aziz, Abdul; Welty, James

• ISBN13: 9780471395508
• ISBN10: 0471395501
• Edition: 1st
• Format: Hardcover
• Copyright: 2001-01-22
• Publisher: Wiley-Interscience

Summary

A much-needed reference focusing on the theory, design, and applications of a broad range of surface types. * Written by three of the best-known experts in the field. * Covers compact heat exchangers, periodic heat flow, boiling off finned surfaces, and other essential topics.

Author Biography

Allan D. Kraus, PhD, is Professor of Mechanical Engineering at the University of Akron, Ohio, and is principal associate at Allan D. Kraus Associates. Abdul Aziz, PhD, is Professor of Mechanical Engineering at Gonzaga University in Spokane, Washington James Welty, PhD, Professor of Mechanical Engineering at Oregon State University in Corvallis

Table of Contents

Preface	xiv
Convection with Simplified Constraints	1	(58)
Introduction	1	(5)
Extended Surface Heat Transfer	6	(4)
Longitudinal Fins	10	(15)
Radial Fins	25	(15)
Spines	40	(17)
Nomenclature	57	(2)
Convection with Real Constraints	59	(43)
Introduction	59	(1)
Fins with Tip Heat Loss	60	(21)
Nonuniform Heat Transfer Coefficients	81	(10)
Fins with Internal Heat Generation	91	(3)
Polygonal Fins	94	(5)
Closure	99	(1)
Nomenclature	99	(3)
Convective Optimizations	102	(58)
Introduction	102	(3)
Quest for the Optimum Profile	105	(4)
Optimum Shapes of Longitudinal Fins	109	(8)
Optimum Shapes of Radial Fins	117	(15)
Optimum Spine Dimensions	132	(6)
Improved Analyses for Convecting Fins	138	(19)
Closure	157	(1)
Nomenclature	158	(2)
Convection Coefficients	160	(60)
Introduction	160	(1)
Fluid Flow Considerations	161	(10)
Heat Transfer Considerations	171	(1)
Correlations for Forced Convection Heat Transfer	172	(18)
Natural Convection	190	(17)
Closure	207	(10)
Nomenclature	217	(3)
Linear Transformations	220	(24)
Introduction	220	(1)
Limitations of Fin Efficiency	221	(2)
Longitudinal Fin of Rectangular Profile Revisited	223	(3)
Linear Transformation	226	(1)
Other Linear Transformations	226	(8)
Summary of All Conversions	234	(1)
Formal Development of the Linear Transformations	234	(4)
Example of Finding the Parameters	238	(2)
Input Admittance and the Thermal Transmission Ratio	240	(2)
Nomenclature	242	(2)
Elements of Linear Transformations	244	(64)
Introduction	244	(1)
Regular Fins and Spines	245	(45)
Singular Fins and Spines	290	(12)
The Single Series Resistance	302	(2)
The Single Shunt Conductance	304	(1)
Closure	305	(1)
Nomenclature	306	(2)
Algorithms for Finned Array Assembly	308	(29)
Introduction	308	(1)
Algorithms for the Combination of Fins	309	(20)
Cascade Algorithm and the Variable Heat Transfer Coefficient	329	(6)
Nomenclature	335	(2)
Advanced Array Methods and Array Optimization	337	(53)
Introduction	337	(1)
Multiple Heat Inputs	338	(4)
Node Analysis of Finned Arrays	342	(17)
General Analysis Method	359	(9)
Optimization of Finned Arrays	368	(7)
Optimum (Least Material) Arrays of Fins	375	(6)
Optimum Natural-Convection Heat Sinks	381	(6)
Nomenclature	387	(3)
Finned Passages	390	(53)
Introduction	390	(1)
Finned Passage	391	(1)
Input Admittance and the Fin Efficiency	391	(3)
Overall Passage Efficiency	394	(1)
Single Stack	394	(14)
Double Stack	408	(18)
n-Stack	426	(15)
Closure	441	(1)
Nomenclature	441	(2)
Compact Heat Exchangers	443	(46)
Introduction	443	(12)
Heat Transfer and Flow Friction Data	455	(2)
ε-Ntu Method	457	(16)
Design of a Compact Heat Exchanger	473	(13)
Nomenclature	486	(3)
Longitudinal Fin Double-Pipe Exchangers	489	(51)
Introduction	489	(1)
Plain Double-Pipe Exchanger	489	(5)
Longitudinal Fin Double-Pipe Exchanger	494	(9)
Heat Transfer Coefficients in Pipes and Annuli	503	(4)
Pressure Loss in Pipes and Annuli	507	(1)
Complete Design	508	(11)
Series-Parallel Arrangements	519	(11)
Multiple-Finned Double-Pipe Exchangers	530	(8)
Closure	538	(1)
Nomenclature	538	(2)
Transverse High-Fin Exchangers	540	(32)
Introduction	540	(2)
Bond or Contact Resistance of High-Fin Tubes	542	(7)
Fin Efficiency Approximation	549	(2)
Air-Fin Coolers	551	(18)
Nomenclature	569	(3)
Fins with Radiation	572	(64)
Introduction	572	(5)
Longitudinal Radiating Fin of Rectangular Profile	577	(17)
Longitudinal Radiating Fins of Trapezoidal and Triangular Profile	594	(8)
Use of the Cascade Algorithm	602	(3)
Longitudinal Radiating Fin with Constant-Temperature Gradient	605	(6)
Parabolic Radiating Profiles	611	(3)
Radial Radiating Fins	614	(19)
Closure	633	(1)
Nomenclature	633	(3)
Optimum Design of Radiating and Convecting-Radiating Fins	636	(63)
Introduction	636	(1)
Optimum Dimensions of Longitudinal Radiating Fins	636	(15)
Optimum Dimensions of Radiating Spines	651	(6)
Improved Optimization Analyses for Radiating Fins	657	(24)
Fin-to-Fin and Fin-to-Base Radiation Interchange	681	(5)
Optimum Dimensions of Longitudinal Convecting-Radiating Fins	686	(4)
Optimum Dimensions of Radial Radiating Fins	690	(5)
Miscellaneous Studies	695	(1)
Nomenclature	696	(3)
Multidimensional Heat Transfer in Fins and Fin Assemblies	699	(55)
Introduction	699	(1)
Longitudinal Fin of Rectangular Profile with Convection	700	(17)
Convecting Longitudinal Fin of Triangular Profile	717	(4)
Convecting Cylindrical Spine or Pin Fin	721	(4)
Radial Rectangular Profile Convecting Fin	725	(6)
Composite Fins	731	(3)
Convecting Fin Assemblies	734	(9)
Radiating and Convecting-Radiating Fins and Fin Assemblies	743	(7)
Additional Studies	750	(1)
Nomenclature	751	(3)
Transient Heat Transfer in Extended Surfaces	754	(65)
Introduction	754	(1)
Longitudinal Fin of Rectangular Profile	754	(20)
Radial Convecting Fin	774	(10)
Longitudinal Fins with Power Law Dissipation	784	(12)
Longitudinal Convecting-Radiating Fins	796	(3)
Two-Dimensional Effects and Transient Heat Flow	799	(6)
Composite Fins	805	(8)
Variable Heat Transfer Coefficient	813	(1)
Miscellaneous Studies	814	(2)
Closure	816	(1)
Nomenclature	816	(3)
Periodic Heat Flow in Fins	819	(25)
Introduction	819	(1)
Longitudinal Fin of Rectangular Profile	819	(20)
Radial Fin of Rectangular Profile	839	(2)
Additional Studies	841	(1)
Nomenclature	842	(2)
Boiling from Finned Surfaces	844	(36)
Introduction	844	(5)
Evaporation	849	(3)
Boiling	852	(11)
Performance of a Single Cylindrical Spine	863	(5)
Optimum Dimensions for the Cylindrical Spine	868	(2)
Minimum Mass Spine	870	(2)
Extended Surfaces in Moist Air	872	(5)
Nomenclature	877	(3)
Condensation on Finned Surfaces	880	(68)
Introduction	880	(4)
Condensation on Single Fins	884	(25)
Dehumidification of Air on Fins	909	(15)
Horizontal Integral-Fin Tubes	924	(15)
Internally Finned Tubes	939	(3)
Microfin Tubes	942	(2)
Nomenclature	944	(4)
Augmentation and Additional Studies	948	(23)
Augmentation	948	(7)
Heat Transfer in Electronic Equipment	955	(4)
Heat Pipes	959	(1)
Solar Collectors and Related Equipment	959	(1)
Finned Regenerators	960	(1)
Numerical Analyses	960	(2)
Mathematical Techniques	962	(2)
Turbine Blades	964	(1)
Design Methods	965	(1)
Freezing or Melting on the Fin Faces	965	(1)
Heat and Mass Transfer	965	(1)
Miscellaneous Citations	966	(3)
Nomenclature	969	(2)
Appendix A: Gamma and Bessel Functions	971	(34)
Appendix B: Matrices and Determinants	1005	(29)
References	1034	(41)
Author Index	1075	(12)
Subject Index	1087