Design And Technology Of Heat Pipes For Cooling And Heat Exchange
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Design And Technology Of Heat Pipes For Cooling And Heat Exchange by Cal Silverstein Pdf
This book describes the characteristics of heat pipes under steady-state and transient operating conditions. It emphasizes the physical aspects of heat pipe behavior and develops design formulas on the basis of mathematical models and empirical observation. The author take a tutorial approach, presenting information on the application of heat pipe technology, design methods, and data to heat pipe cooling and heat exchange requirements. He provides the nonspecialist with sufficient understanding of heat pipe technology to appreciate and assess its application potential, while also meeting the needs of the experienced heat pipe designer and researcher.
Heat Pipes by David Reay,Ryan McGlen,Peter Kew Pdf
Heat Pipes, 6th Edition, takes a highly practical approach to the design and selection of heat pipes, making it an essential guide for practicing engineers and an ideal text for postgraduate students. This new edition has been revised to include new information on the underlying theory of heat pipes and heat transfer, and features fully updated applications, new data sections, and updated chapters on design and electronics cooling. The book is a useful reference for those with experience and an accessible introduction for those approaching the topic for the first time. Contains all information required to design and manufacture a heat pipe Suitable for use as a professional reference and graduate text Revised with greater coverage of key electronic cooling applications
Heat pipes are efficient passive devices that can transfer large amounts of heat over long distances with small temperature differences between the heat sources and sinks by evaporation and condensation of the working fluid. Heat can be transferred without the use of any mechanically moving parts such as pumps and active controls in heat pipes. The vapor and liquid circulate in the conventional heat pipes, including thermosiphons, via evaporation/condensation and capillary or gravitational forces. For pulsating heat pipes, liquid slug and vapor plugs in the capillary tube oscillate due to evaporation and condensation. The effective thermal conductivity of a heat pipe can be three orders of magnitude higher than that of a copper rod with the same size. A heat pipe can find its applications in many sectors of industries, including electronics cooling, energy systems, spacecraft thermal control, permafrost cooling, and manufacturing. This book presents current research and development related to the design, applications and technology of various heat pipes, including conventional heat pipes and thermosyphon, pulsating heat pipes, loop heat pipes, and variable conductance heat pipes. Design tools based on computational fluid dynamics simulation and HSHPTM (Heat Sink-Heat Pipe Thermal Module) software are also presented.
Heat Pipe Design and Technology by Bahman Zohuri Pdf
This book provides a practical study of modern heat pipe engineering, discussing how it can be optimized for use on a wider scale. An introduction to operational and design principles, this book offers a review of heat and mass transfer theory relevant to performance, leading into and exploration of the use of heat pipes, particularly in high-heat flux applications and in situations in which there is any combination of non-uniform heat loading, limited airflow over the heat generating components, and space or weight constraints. Key implementation challenges are tackled, including load-balancing, materials characteristics, operating temperature ranges, thermal resistance, and operating orientation. With its presentation of mathematical models to calculate heat transfer limitations and temperature gradient of both high- and low-temperature heat pipes, the book compares calculated results with the available experimental data. It also includes a series of computer programs developed by the author to support presented data, aid design, and predict performance.
A comprehensive, up-to-date coverage of the theory, design and manufacture of heat pipes and their applications. This latest edition has been thoroughly revised, up-dated and expanded to give an in-depth coverage of the new developments in the field. Significant new material has been added to all the chapters and the applications section has been totally rewritten to ensure that topical and important applications are appropriately emphasised. The bibliography has been considerably enlarged to incorporate much valuable new information. Thus readers of the previous edition, which has established itself as the standard text on the subject, will find much additional data of interest whilst new readers will find the vast amount of useful data included in the appendices an indispensable source of reference.
Advances in Heat Pipe Technology by D. A. Reay Pdf
Advances in Heat Pipe Technology covers the proceedings of the Fourth International Heat Pipe Conference, held at the Royal Aeronautical Society in London, United Kingdom on September 7-10, 1981. This conference focuses on the advances in heat pipe and thermosyphon technology. This book is organized into seven parts encompassing 69 chapters. The first part describes the design and features of heat pipes, as well as their terrestrial and spacecraft applications. The subsequent parts deal with the performance, heat transfer and hydrodynamic properties, and entrainment of thermosyphon and heat pipes, with an emphasis on their application to energy conservation. The last parts discuss the heat pipe theory, and the experimental techniques and life tests of heat pipes.
Heat pipes are used widely in space technology, nuclear power conversions, heat transfer systems, cellular phones, cooling of computers and in several other industrial operations. Heat pipes are based on the models of heat exchangers which are used for transportation of thermal energy over long distances with minimal temperature difference. There are various kinds of heat pipes available with modified designs and techniques like Constant Conductance Heat Pipes (CCHPs), Variable Conductance Heat Pipes (VCHPs) and Diode Heat Pipes, etc. This comprehensive book encompasses sections on all the significant aspects of heat pipes, theoretical principles behind their functioning, modifications & designs and their wide scope of applications. It is a beneficial text for students, researchers, engineers and readers in general who are keen to enhance their knowledge on heat pipes.
Thermal Design Discover a new window to thermal engineering and thermodynamics through the study of thermal design Thermal engineering is a specialized sub-discipline of mechanical engineering that focuses on the movement and transfer of heat energy between two mediums or altered into other forms of energy. Thermal engineers must have a strong knowledge of thermodynamics and the processes that convert generated energy from thermal sources into chemical, mechanical, or electrical energy — as such, thermal engineers can be employed in many industries, particularly in automotive manufacturing, commercial construction, and the HVAC industry. As part of their job, thermal engineers often have to improve a current system to make it more efficient, and so must be aware of a wide array of variables and familiar with a broad sweep of systems to ensure the work they do is economically viable. In this significantly updated new edition, Thermal Design details the physical mechanisms of standard thermal devices while integrating essential formulas and detailed derivations to give a practical understanding of the field to students. The textbook examines the design of thermal devices through mathematical modeling, graphical optimization, and occasionally computational-fluid-dynamic (CFD) simulation. Moreover, it presents information on significant thermal devices such as heat sinks, thermoelectric generators and coolers, heat pipes, and heat exchangers as design components in larger systems — all of which are increasingly important and fundamental to numerous fields such as microelectronic cooling, green or thermal energy conversion, and thermal control and management in space. Readers of the Second Edition of Thermal Design will also find: A new chapter on thermoelectrics that reflects the latest modern technology that has recently been developed More problems and examples to help clarify points throughout the book A range of appendices, including new additions, that include more specifics on topicscovered in the book, tutorials for applications, and computational work A solutions manual provided on a companion website Thermal Design is a useful reference for engineers and researchers in me chanical engineering, as well as senior undergraduate and graduate students in mechanical engineering.
Thermal Design: Heat Sinks, Thermoelectrics, Heat Pipes, Compact Heat Exchangers, and Solar Cells, Second Edition, is a significantly updated new edition which now includes a chapter on thermoelectrics It covers thermal devices such as heat sinks, thermoelectric generators and coolers, heat pipes, and heat exchangers as design components in larger systems. These devices are becoming increasingly important and fundamental in thermal design across such diverse areas as microelectronic cooling, green or thermal energy conversion, and thermal control and management in space. The underlying concepts in this book cover the understanding of the physical mechanisms of the thermal devices with the essential formulas and detailed derivations, and also the design of the thermal devices in conjunction with mathematical modeling, graphical optimization, and occasionally computational-fluid-dynamic (CFD) simulation. This new edition includes more examples, problems and tutorials, and a solutions manual is available on a companion website.
Functionality, Advancements and Industrial Applications of Heat Pipes by Bahman Zohuri Pdf
Functionality, Advancements and Industrial Applications of Heat Pipes introduces heat pipe technologies and highlights a variety of applications for passive thermal control. The book begins with a thorough analysis of heat pipe infrastructure, including principles of operation, temperature limits, reliability and lessons learned from worked examples and case studies. It also presents a concise design guideline for the assembly of heat pipes. The second part moves on to consider a variety of modern day applications for the heat pipe principles discussed, covering nuclear and solar thermal energy engineering facilities as well as applications in space, in the sea and in the air. A final section works through manufacturing elements of different types of heat pipe to ensure they are well maintained and remain fully operational. This section includes the cleaning of parts, the assembly of the heat pipe, an analysis of gas blockages and how to deal with them, as well as performance versification. Analyzes a wide variety of heat pipes used in various settings, including constant-conductance heat pipes, loop heat pipes and wrap around heat pipes Considers applications at sea, in the air, on land and in space, including the nuclear and solar energy industries, heat pipes in spacecraft and heat pipe reactors Includes a heat pipe assembly and design guide, as well as an analysis of lessons learned from different case studies
Heat Exchangers: Principles, Design, and Applications by Charles Nehme Pdf
Heat Exchangers: Principles, Design, and Applications Welcome to the world of heat exchangers, where the principles of thermodynamics and fluid dynamics come together to enable efficient heat transfer in a wide range of industrial processes. Heat exchangers are fundamental devices that play a crucial role in various industries, from power generation and chemical manufacturing to HVAC systems and renewable energy applications. They are essential for optimizing energy efficiency, enhancing process performance, and promoting sustainability. This book, "Heat Exchangers: Principles, Design, and Applications," aims to provide a comprehensive understanding of heat exchangers, covering their principles, design considerations, performance analysis, industrial applications, and emerging trends. It serves as a valuable resource for students, researchers, engineers, and professionals seeking to deepen their knowledge and explore the fascinating world of heat exchangers. The book begins with a solid foundation in the fundamentals of heat transfer, introducing concepts such as conduction, convection, and radiation. It then delves into the classification and types of heat exchangers, exploring their unique characteristics, advantages, and limitations. The design and construction of heat exchangers are thoroughly discussed, highlighting the key considerations in geometry, materials, and fabrication techniques. Performance analysis and optimization of heat exchangers are explored in detail, providing insights into heat transfer enhancement methods, pressure drop calculations, and thermal efficiency evaluation. Real-world examples and case studies showcase the practical application of heat exchangers in various industries, allowing readers to understand their role in power generation, chemical processes, HVAC systems, food and beverage production, and more. The book also examines the latest advancements in heat exchanger technology, including the integration of advanced materials, nanotechnology, additive manufacturing, and intelligent systems. It explores the future trends and outlook for heat exchangers, envisioning a greener and more sustainable future through energy efficiency improvements, waste heat recovery, and integration with renewable energy systems. Maintenance, troubleshooting, and safety considerations are given due importance, emphasizing the importance of regular inspections, maintenance practices, and adherence to safety protocols to ensure optimal performance and safe operation of heat exchangers. Throughout this book, we have strived to present complex concepts in a clear and accessible manner, incorporating illustrations, diagrams, and practical examples to enhance understanding. The content is supported by the latest research and industry practices, ensuring its relevance and reliability. As the author of this book, I am grateful for the opportunity to share my knowledge and passion for heat exchangers with you. I hope that this book serves as a valuable guide, sparking your curiosity, inspiring further exploration, and enabling you to contribute to the field of heat exchangers. I encourage you to dive into the following chapters, embark on a journey through the principles, design considerations, applications, and future trends of heat exchangers. May this book equip you with the necessary knowledge and insights to tackle real-world challenges, drive innovation, and contribute to a more efficient and sustainable world. Happy reading! Charles Nehme
Featuring contributions from the renowned researchers and academicians in the field, this book covers key conventional and emerging cooling techniques and coolants for electronics cooling. It includes following thematic topics: - Cooling approaches and coolants - Boiling and phase change-based technologies - Heat pipes-based cooling - Microchannels cooling systems - Heat loop cooling technology - Nanofluids as coolants - Theoretical development for the junction temperature of package chips. This book is intended to be a reference source and guide to researchers, engineers, postgraduate students, and academicians in the fields of thermal management and cooling technologies as well as for people in the electronics and semiconductors industries.
Heat Pipe Design and Technology by Bahman Zohuri Pdf
With its unique ability to transfer heat over large distances with minimal loss, the heat pipe has emerged as a proven environmentally friendly, energy-saving solution for passive thermal control. However, until recently, the high cost and complex construction use of these marvelous mechanisms has generally limited their use to space technology. Written by a former senior chief scientist at Lockheed who has also worked for Westinghouse and the U.S Air Force, Heat Pipe Design and Technology: A Practical Approach provides a practical study of modern heat pipe engineering in nuclear and solar energy applications, discussing how it can be optimized and made more cost-effective for use on a wider scale. An introduction to operational and design principles, this book explores the use of heat pipes, particularly in high-heat flux applications and in situations in which there is any combination of non-uniform heat loading, limited airflow over the heat generating components, and space or weight constraints. It also discusses design and application of self-controlled, variable-conductance heat pipes for thermal control in spacecraft. Offering a review of heat and mass transfer theory relevant to performance, the book covers issues that can affect successful heat pipe operation, including: Balancing of heat pipe loads Compatibility of materials Operating temperature range Power limitations Thermal resistance Operating orientation With its presentation of mathematical models to calculate heat transfer limitations and temperature gradient of both high- and low-temperature heat pipes, the book compares calculated results with the available experimental data from various sources to increase confidence in existing models. It also explains where and how readers can access helpful interactive computer codes and a series of computer programs developed by the author to support presented data, aid design, and predict performance.
Heat Pipes and Solid Sorption Transformations by L.L Vasiliev,Sadik Kakaç Pdf
Developing clean energy and utilizing waste energy has become increasingly vital. Research targeting the advancement of thermally powered adsorption cooling technologies has progressed in the past few decades, and the awareness of fuel cells and thermally activated (heat pipe heat exchangers) adsorption systems using natural refrigerants and/or alternatives to hydrofluorocarbon-based refrigerants is becoming ever more important. Heat Pipes and Solid Sorption Transformations: Fundamentals and Practical Applications concentrates on state-of-the-art adsorption research and technologies for relevant applications based on the use of efficient heat transfer devices—heat pipe and two-phase thermosyphons—with the objectives of energy efficiency and sustainability. This book also discusses heat pipe thermal control as it relates to spacecraft applications. The first few chapters of Heat Pipes and Solid Sorption Transformations: Fundamentals and Practical Applications focus on heating and cooling, the principles of adsorption, adsorption dynamics, and the availability of three-phase boundaries. Other chapters cover successful heat pipe applications and heat-pipe-based thermal control of fuel cells, solid sorption transformers, and electronic components and air-condition devices. The final chapters summarize the achievements in the field of heat and mass transfer study in heat pipes with variable properties such as gas loaded heat pipes. Several configurations of thermosyphons are showcased, with suggested applications. A number of examples of equipment using the thermosyphon technology are presented and, in the final chapter, the concept of flow boiling and flow condensation heat transfer in micochannels is analyzed in detail.