Faghri, heat pipe science and technology, taylor and francis ltd. A numerical analysis of phasechange problems including natural convection. Here in this chapter we will discuss the design criteria and steps for a. Over the last several decades, several factors have contributed to a major transformation in heat pipe science and technology. Experimental study of heat transfer in a heat pipe iopscience. Loop heat pipe with coherent porous wick since the porous material used for current heat pipes is usually stochastic structure, it is hard to apply analytical or numerical methods for design optimization. Get your kindle here, or download a free kindle reading app. The first major contribution was the development and advances of new heat pipes, such as loop heat pipes lhps, micro and miniature heat pipes, and pulsating heat pipes phps. A good description of the history of the heat pipe technology can be found in an early article published by yale eastman currently a director of act in scientific american in may 1968. Heat pipe science and technology, an international journal is encompassed on publishing i fundamental studies of heat and mass transfer in heat pipes and twophase thermosyphons, ii new streams of technology development, iii industrial innovation in electronic thermal control, air conditioning, heating and cooling, aerospace thermal control, and associated fields which are related. Heat pipe science and technology includes a chapter about two phased close thermosyphon that i will need to study in my project. Amir faghri is currently a professor of mechanical engineering at the. Oct 10, 2012 over the last several decades, several factors have contributed to a major transformation in heat pipe science and technology applications. Mar 15, 2005 a novel flat heat pipe has been developed to assist in meeting the high thermal design requirements in high power microelectronics, power converting systems, laptop computers and spacecraft thermal control systems.
The amount of heat transfer decrease depends on the particular heat. The vapor then travels along the heat pipe to the cold interface. In the case of hightemperature heat pipes, melting and solidification are encountered during heat pipe startup and shutoff faghri et al. Journals frontiers in heat pipes fhp thermalfluids.
Faghri a 2016 heat pipe science and technology 2 columbia, missourie. It is an ascending technology to satisfy present requirement of increasing thermal performance. Reflecting the advancements in heat pipe science and technology, while. Heat pipes rely on a temperature difference between the ends of the pipe, and cannot lower temperatures at either end below the ambient temperature hence they tend to equalize the temperature within the pipe. Written to cover simple, intermediate, and advanced approaches to the theoretical and experimental analysis of heat pipe science, this book emphasizes both the physical significance and mathematical manipulations as well as the technological and experimental issues related to this technology. Buy heat pipe science and technology book online at low prices.
Analysis of screen wick heat pipes, including capillary dryout limitations. The first major contribution was the development and advances of new heat pipes, such as loop heat pipes, microand miniature heat pipes, and pulsating heat. What is a heat pipe heat pipes basics and technology. Heat pipe science and technology, an international journal is encompassed on publishing i fundamental studies of heat and mass transfer in heat pipes and twophase thermosyphons, ii new streams of technology development, iii industrial innovation in electronic thermal control, air conditioning, heating and cooling, aerospace thermal control. Heat transfer and fluid flow in the heat pipe system result in thermodynamic irreversibility generating entropy. The heat pipe has helped to propel the notebook industry to its current level. Then you can start reading kindle books on your smartphone, tablet, or computer no kindle device required. The amount of sodium occupied approximately 20% of the total volume of the heat pipe and its weight was 65.
In 20 he has been awarded the prestigious george grover medal for outstanding contribution to the development of heat pipe science and technology. Solidliquidvapor phenomena, driving forces and interfacial heat and mass transfer 3. Buy heat pipe science and technology, second edition on. The book consists of fourteen chapters, two appendices, and over 400 illustrations, along with numerous references and a wide. Afterward the heat pipe creation greatly development have been taken place through the past few periods with respect to the project building and working fluid etc. Presents basic and advanced techniques in the analytical and numerical modeling of various heat pipe systems under a variety of operating conditions and limitations. Investigations on noncondensation gas of a heat pipe. The work in taiwan 64 showed that by using the solarheated water using the heat pipe water heater, the cop of the hybrid heat pipe heat pump system could be improved by almost 30% to 3. Heat pipe science and technology mechanical engineering. Review of solar, heat pipe and thermoelectric hybrid.
The book consists of fourteen chapters, two appendices, and over 400 illustrations, along with numerous presents basic and advanced techniques in the analytical and numerical modeling of various heat pipe systems under a variety of operating. The minimum entropy generation principle can be used for optimum design of flat heat pipe. Heat pipes get the heat out of multikilowatt electronic. Faghri, heat pipe science and technology, taylor and. Review and advances in heat pipe science and technology. A hightemperature sodium stainless steel heat pipe was fabricated and its performance has been investigated. Thomas, performance characteristics of a concentric annular heat pipe. Buy heat pipe science and technology mechanical engineering.
Heat pipe science and technology mechanical engineering book. The first major contribution was the development and advances of new heat pipes, such as loop heat pipes, micro and miniature heat pipes, and pulsating heat pipes. For the heat pipe designs, which have found the widest application, versus the classical capillarywick heat pipes and the wickless heat pipes or closed twophase thermosyphons, mathematical schemes are given to calculate the performance and performance limits in chap. 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. Heat pipes employ phase change to transfer thermal energy from one point to another by the vaporization and condensation of a working fluid or coolant. Journals frontiers in heat pipes fhp thermalfluids central. Manufacturing and temperature measurements of a sodium heat pipe.
Science, technology, applications what is a heat pipe. Experimental investigation on thermal performance of a. Analysis of screen wick heat pipes, including capillary. A novel flat heat pipe has been developed to assist in meeting the high thermal design requirements in high power microelectronics, power converting systems, laptop computers and spacecraft thermal control systems. Analysis of effect of heat pipe parameters in minimising the. Heat pipe science and technology, an international journal is encompassed on publishing i fundamental studies of heat and mass transfer in heat pipes and twophase thermosyphons, ii new streams of technology development, iii industrial innovation in electronic thermal control, air conditioning, heating and cooling, aerospace thermal control, and associated fields which are related to the. Over the last several decades, several factors have contributed to a major transformation in heat pipe science and technology applications. Abstract the pulsating heat pipe, a serpentine tube of capillary dimension with many turns, has great impact on todays successful thermal management. The result is less pumping of the wick with reduced heat transfer.
But it was not the book required because amir faghri. The length of a stainless steel container is 1002mm and its outside. Heat pipe technology an overview sciencedirect topics. Amir faghri is the author of heat pipe science and technology mechanical engineering 5. Faghri, an analysis of the vapour flow and heat conduction through the liquid wick and pipe wall in a heat pipe with single or multiple heat sources, int. Search for more papers by this author and amir faghri. Often times a smaller capacity ac system can be chosen due to the increased cooling performance from the precool coil. Gian brochure introduction to heat pipe science and. Lab 6heat pipe me 3264 lab 6 department of mechanical. Advanced heat and mass transfer by amir faghri alibris. Faghri, a 2016, heat pipe science and technology, second edition, global digital. Amir faghri author of heat pipe science and technology. Heat pipe designs are easily handling current requirements and. Heat pipe science and technology, an international journal.
Heat transfer processes include conduction and convection through the heat pipe container, wick, and liquid, as well as evaporation, boiling, or condensation along the heat pipe faghri, 1995. Heat pipe science and technology 1995 edition open library. Download pdf heat pipe science and technology second. Noncondensation gas, heat pipe, maximum heat capacity. Heat pipe science and technology includes a chapter about two phased close thermosyphon that i will. It describes the variety of complex and coupled processes of heat and mass transfer in heat pipes. Heat pipe science and technology, an international journal is encompassed on publish ing i fundamental studies of heat and mass transfer in heat pipes and twophase thermo syphons, ii new streams of technology development, iii industrial innovation in elec. The pipes extend from the plate to a remote fin stack. International journal of heat and mass transfer 53 1516, 29792988, 2010. By adding a precool heat pipe coil, the system now functions more efficiently and can perform higher levels of latent cooling and increased dehumidification. Amir faghri written to cover simple, intermediate, and advanced approaches to the theoretical and experimental analysis of heat pipes, this second edition emphasizes the physics and mathematics.
In 20 he has been awarded the prestigious george grover medal for outstanding contribution to the development of. Capillary pumped loop and loop heat pipe systems 10. Buy advanced heat and mass transfer by amir faghri online at alibris. Heat pipe science and technology in searchworks catalog. University of connecticut, storrs, connecticut 0626939.
Analysis of screen wick heat pipes, including capillary dry. The combination of a solar heat pipe collector with thermoelectric modules could provide a very useful device for simultaneous power generation and hot water heating. Threedimensional transient mathematical model to predict the heat. The length of a stainless steel container is 1002mm and its. At heating the heat pipe evaporator, starting from a certain thermal power threshold value, electromagnetic. The graph also shows that if the heat pipe is operated against the force of gravity, the liquid undergoes a larger pressure drop. Zuo and faghri 2 predicted the transient heat pipe performance by using a simple thermal resistance model similar to that of fig. Enter your mobile number or email address below and well send you a link to download the free kindle app. Microminiature heat pipe characteristics and operating limitations 11. Open library is an open, editable library catalog, building towards a web page for every book ever published. Amir faghri is an american professor and leader in the engineering profession as an educator.
Use of heat pipe cooling systems in the electronics. Analysis of effect of heat pipe parameters in minimising. The work in taiwan 64 showed that by using the solarheated water using the heat pipe water heater, the cop of the hybrid heat pipeheat pump system could be improved by almost 30% to 3. Thermoelectricity could be utilized for power generation and provide cooling and heating. Heat pipe science and technology mechanical engineering by. Faghri is the recipient of 2004 asme heat transfer memorial award the most prestigious national award in the field of heat transfer, a fellow of asme and was selected as the jubilee 150th anniversary professor at the chalmers university and wennergren foundation fellow at lund institute of technology, both in sweden. Nov 25, 2016 heat pipe science and technology, second edition by dr. Download now heat pipe science and technology, second edition by dr. A loop heat pipe with coherent pores integrated to the heat source is considered as a calculation model in this paperfig.
It also makes a thorough presentation of the basic and advanced techniques available for analyzing. Heat pipe science and technology, second edition by dr. Ats engineering ebook advanced thermal solutions, inc. Numerical simulation of a conventional heat pipe world. As the heat source temperature increases, it becomes economical to operate in the. Investigation of a novel flat heat pipe journal of heat. Amir faghri written to cover simple, intermediate, and advanced approaches to the theoretical and experimental analysis of heat pipes, this second edition emphasizes the physics and mathematics of heat pipes as well as the related technological and experimental issues. Focusing on this, an experiment has been done on the open loop pulsating heat pipes olphp to observe their performance characteristics by using two. International journal of heat and mass transfer 53 1516, 2979.
The first major contribution was the development and advances of new heat pipes, such as loop heat pipes, micro and miniature heat pipes, and pulsating heat. Energy efficient heat pipe heat exchanger for waste heat recovery in. 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. Bibliography includes bibliographical references and index. Manufacturing and temperature measurements of a sodium. Amir faghri is currently a professor of mechanical engineering at the university of. Part i experimental prediction and analysis of the capillary limit, transaction of asme.
Continuum transient and frozen startup behavior of heat pipes 6. The objective of the present work is to minimise the total entropy generation rate as the objective function with different parameters of the flat heat pipe subjected to some constraints. A solar heat pipe collector performs well at high temperatures. The working fluid was sodium and it was sealed inside a straight tube container made of stainless steel. Gian brochure introduction to heat pipe science and technology. The use of heat pipes for the thermal management of notebook computers is a proven and widely applied technology.
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