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Full Description
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.
Contents
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.
