Fundamentals of Heat Exchanger Design

Dušan P. Sekulić, PhD, is the J.G. Morris Secat Aluminum Professor in the College of Engineering, Department of Mechanical and Aerospace Engineering, University of Kentucky. He has published extensively on heat transfer engineering, heat exchanger design, materials aspects of compact heat exchanger design, and related subjects. Ramesh K. Shah, PhD, has served as a Research Professor at the Rochester Institute of Technology and Senior Staff Research Scientist at Delphi Harrison Thermal System and General Motors. He has contributed widely to research publications on heat exchanger design and related subjects.

• About the Authors xiPreface to the Second Edition xiiiPreface to the First Edition xvNomenclature xixAbout the Companion Website xxxi1 Heat Exchangers: Semantics 11.1 Heat Transfer in a Heat Exchanger 11.2 Modeling a Heat Exchanger 51.3 Irreversibilities in Heat Exchangers 201.4 Thermodynamic Irreversibility and Temperature Cross Phenomena 271.5 Heuristic Approach to an Assessment of Heat Exchanger Effectiveness 351.6 Energy, Exergy, and Cost Balances in the Analysis of Heat Exchangers 391.7 Performance Evaluation Criteria Based on the Second Law of Thermodynamics 582 Overview of Heat Exchanger Design Methodology: The Art 632.1 Heat Exchanger Design Methodology 632.2 Interactions Among Design Considerations 772.3 Heat Exchanger Design for Manufacturing 783 Thermal Design for Recuperators 913.1 Heat Flow and Thermal Resistance 913.2 Heat Exchanger Design Variables/Parameters 933.3 The ε-NTU Method 1053.4 Effectiveness-NTU Relationships 1123.5 The P-NTU Method 1283.6 P-NTU Relationships 1313.7 The Mean Temperature Difference Method 1573.8 F Factors for Various Flow Arrangements 1613.9 Comparison of the ε-NTU, P-NTU, and MTD Methods 1763.10 The υ-P and P1-P2 Methods 1793.11 Solution Methods for Determining Exchanger Effectiveness 1813.12 Heat Exchanger Design Problems 1854 Relaxation of Design Assumptions. Extended Surfaces 1894.1 Longitudinal Wall Heat Conduction Effects 1894.2 Nonuniform Overall Heat Transfer Coefficients 2004.3 Extended Surface Exchangers 2134.4 Additional Considerations for Shell-and-Tube Exchangers 2434.5 Flow Maldistribution 2485 Thermal Design of Regenerators 2835.1 Heat Transfer Analysis 2835.2 The (ε-NTUo) Method 2905.3 The Λ-Π Method 3095.4 Influence of Longitudinal Wall Heat Conduction 3195.5 Influence of Transverse Wall Heat Conduction 3265.6 Influence of Pressure and Carryover Leakages 3305.7 Influence of Matrix Material, Size, and Arrangement 3366 Heat Exchanger Pressure Drop Analysis 3416.1 Introduction 3416.2 Extended Surface Heat Exchanger Pressure Drop 3446.3 Regenerator Pressure Drop 3546.4 Tubular Heat Exchanger Pressure Drop 3546.5 Plate Heat Exchanger Pressure Drop 3576.6 Pressure Drop Associated with Fluid Distribution Elements 3596.7 Pressure Drop Presentation 3716.8 Pressure Drop Dependence on Geometry and Fluid Properties 3777 Surface Heat Transfer and Flow Friction Characteristics 3797.1 Basic Concepts 3797.2 Dimensionless Groups 3947.3 Experimental Techniques for Determining Surface Characteristics 4027.4 Analytical and Semiempirical Heat Transfer and Friction Factor Correlations for Simple Geometries 4237.5 Experimental Heat Transfer and Friction Factor Correlations for Complex Geometries 4587.6 Influence of Temperature-Dependent Fluid Properties 4747.7 Influence of Superimposed Free Convection 4777.8 Influence of Superimposed Radiation 4828 Geometry of Heat Exchangers' Surfaces 4898.1 Tubular Heat Exchangers 4898.2 Tube-Fin Heat Exchangers 4948.3 Plate-Fin Heat Exchangers 4998.4 Regenerators With Continuous Cylindrical Passages 5088.5 Shell-and-Tube Exchangers with Segmental Baffles 5118.6 Gasketed Plate Heat Exchangers 5199 Heat Exchanger Design Procedures 5219.1 Fluid Mean Temperatures 5219.2 Plate-Fin Heat Exchangers 5249.3 Tube-Fin Heat Exchangers 5479.4 Plate Heat Exchangers 5489.5 Shell-and-Tube Heat Exchangers 5609.6 Note on Heat Exchanger Optimization 57810 Selection of Heat Exchangers and Their Components 58110.1 Selection Criteria Based on Operating Parameters 58110.2 General Selection Guidelines for Major Exchanger Types 58710.3 Some Quantitative Considerations 606Appendix A Classification of Heat Exchangers 631Appendix B P-NTU Relationships 699References 713Index 725