Advances in Heat Transfer Augmentation Techniques in Single-Phase Flows

Augmentation of heat transfer is important in energy conservation and developing sustainable energy systems. This book provides the science necessary to understand the basics of heat transfer augmentation in single-phase engineering systems. It considers theory and practice including computational and experimental procedures, evaluation techniques for performance, and new trends. Several applications of augmentation methods like surface modification, introduction of vortex flow and impinging jets, opportunities of ultrasound and magnetic fields, pulsatile flows, heat exchangers, and nanofluids are provided. Details of basic phenomena and mechanisms are highlighted. Key features: - Provides the fundamental science needed to understand and further develop heat transfer augmentation for future energy systems - Give examples of how ultrasound and magnetic fields, vortex flow, impinging jets, surface modification and nanofluids can augment heat transfer - Considers basic issues of computational and experimental methods for analysis, design, and evaluation of efficient and sustainable heat transfer It is an ideal reference text for graduate students and academic researchers working in the fields of mechanical, aerospace, industrial, manufacturing, and chemical engineering.

Varun Goel received his PhD in the year 2010 and working as an Associate Professor in the Department of Mechanical Engineering at National Institute of Technology Hamirpur, India. His area of research includes heat transfer, CFD, Renewable Energy etc. He has published about 200 papers in Journals and Conferences. The h-index of the published work is 50 and the number of citations is more than 10000. Wei Wang received his Ph.D. in Engineering Thermophysics 2019, and became an associate professor in School of Energy Engineering and Science at 2022, all from Harbin Institute of Technology, Harbin, China. He was visiting study at Lund University and learn from Professor Bengt Sunden, at Lund, Sweden in 2017-2018. His research activities include enhancement of heat transfer, heat dissipation in aerospace and electronics, heat and mass transfer in evaporation and condensation, and compact heat exchangers design. Bengt Sunden received his M.Sc. in 1973, Ph.D. in 1979 and became Docent in 1980, all from Chalmers University of Technology, Gothenburg, Sweden. He was appointed Professor of Heat Transfer at Lund University, Lund, Sweden in 1992 and served as Head of the Department of Energy Sciences, Lund University for 21 years, 1995-2016. He has edited 35 books and authored three major textbooks. He has published about 650 papers in well-established and highly ranked scientific journals. From Scopus, the h-index is 59 and the number of citations is more than 16500

Chapter 1. Introduction to Heat Transfer. 1.1. Introduction. 1.2. Mechanisms of heat transfer. 1.3. Introduction to heat exchangers. References. Chapter 2. Heat Transfer Augmentation. 2.1. Introduction. 2.2. Techniques for augmentation. 2.3. Evaluation criteria. 2.4. Published literature. 2.5. Patents. 2.6. Conclusions. References. Chapter 3. Using Surface Modification. 3.1. Introduction. 3.2. Finned surface. 3.3. Corrugated surface. 3.4. Coiled surface. 3.5. Modified surface. 3.6. Summary and outlook. References. Chapter 4. Heat Transfer Augmentation using Vortex Flow. 4.1. Introduction. 4.2. Surface vortex generator. 4.3. Insert vortex generator. 4.4. Summary and outlook. References. Chapter 5. Heat Transfer Augmentation using Pulsatile Flows. 5.1. Introduction. 5.2. Important dimensionless numbers. 5.3. Pulsating flow. 5.4. Single-phase pulsation flow heat transfer enhancement. 5.5. Pulsating flow around a cylinder. 5.6. Reciprocating flow. 5.7. Single-phase pulsating flow and porous media. 5.8. Pulsating nanofluid flow. 5.9. Pulsating flow around ribs. 5.10. Conclusions. References. Chapter 6. Heat Transfer Augmentation using Ultrasound and Magnetic Forces. 6.1. Introduction. 6.2. Mechanisms. 6.3. Results. 6.4. Conclusions. References. Chapter 7. Heat Transfer Augmentation using Jet Impingement. 7.1. Introduction. 7.2. Mechanism. 7.3. Investigated parameters. 7.4. Studied Geometries. 7.5. Results. 7.6. Excited Jets. 7.7. Nanofluids. 7.8. Phase change materials. 7.9. Conclusions. References. Chapter 8. Heat Transfer Augmentation using Nanofluids. 8.1. Introduction. 8.2. Preparation and stability. 8.3. Thermophysical properties. 8.4. Applications and challenges. References. Chapter 9. Performance Evaluation Methods for Different Heat Transfer Techniques. 9.1. Introduction. 9.2. Performance assessment based on the first law of thermodynamics. 9.3. Performance assessment based on the second law of thermodynamics. 9.4. Multi-objective optimization and evaluation. 9.5. Conclusions and outlook. References. Chapter 10. Heat Transfer Measurement Techniques. 10.1. Introduction. 10.2. Infrared imaging, IR. 10.3. Liquid crystal thermography, LCT. 10.4. Thermocouples, TCs. 10.5. Naphthalene sublimation technique. 10.6. Pressure sensitive paint technique. 10.7. Particle image velocimetry, PIV. 10.8. Hot-wire anemometry. 10.9. Uncertainty analysis in measurements. References. Chapter 11. Computational Methods used in Heat Transfer. 11.1. Introduction. 11.2. Governing equations. 11.3. On numerical methods to solve partial differential equations. 11.4. The CFD approach. 11.5. Advanced topics not treated. 11.6. Examples. 11.7. Conclusions. References.