Nheat pipe science and technology pdf

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. The graph also shows that if the heat pipe is operated against the force of gravity, the liquid undergoes a larger pressure drop. Efficient heat transferefficient heat transfer boiling and condensationboiling and condensation small temperature difference between the heat source and. 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. Heat pipe science and technology mechanical engineering. However, until recently, the high cost and complex construction use of these marvelous mechanisms has generally limited their use to space technology. Heat pipe science and technology mechanical engineering book.

Heat pipe science and technology, an international journal 11 118 2010. Heat pipe are highefficient heat transfer devices and have been widely applied in various thermal systems. What is a heat pipe heat pipes basics and technology. Heat pipes are one of the most efficient ways to move thermal energy from one point to another. The design of a heat pipe is rather complex with many things to consider. Continuum transient and frozen startup behavior of heat pipes 6. Many heat pipes also have a transport or adiabatic section, which separates the evaporator and condenser sections by an appropriate distance in.

Bachelor of science thesis egi2014 effect of nanofluids on thermal performance of heat pipes drilon ferizaj mohamad kassem approved examiner supervisor morteza ghanbarpour commissioner contact person abstract a relatively new way for utilizing the thermal performance of heat pipes is to use nanofluids as working fluids in the heat pipes. Presents basic and advanced techniques in the analytical and numerical modeling of various heat pipe systems under a variety of operating conditions and limitations. Heat pipe science and technology 1995 edition open library. 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. Thermal analysis has been used in foundry applications to assess the quality of the melt before casting. A double walled evacuated tube collector is similar in construction to a conventional domestic vacuum flask for storing hot liquids.

Over the last several decades, several factors have contributed to a major transformation in heat pipe science and technology applications. 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. Semantic scholar extracted view of heat pipe design and technology. Heat pipe science and technology in searchworks catalog. Solidliquidvapor phenomena, driving forces and interfacial heat and mass transfer 3. Numerical modelling and experimental validation of heat. Introduction heat pipe is a capillary twophase heat transfer device. Also heat pipe experiments were conducted aboard the applications technology satellite6, in which an ammonia heat pipe with a spiral artery wick was used as a thermal diode. Therefore, heat pipe is used to spread the heat more efficient on. Sobhan 1thakur college of engineering and technology mumbai, india 2,3school of nano science and technology national institute of technology calicut, kerala, india email. Manna assistant professor centre of advanced study department of metallurgical engineering institute of technology banaras hindu university varanasi221 005, india rmanna. The first volume was published in the spring of 1971 and is cumulative through march of that year. Heat loss calculations and principles ced engineering.

This book provides a practical study of modern heat pipe engineering, discussing how it can be optimized for use on a wider scale. With the use5 of the space shuttle, flight testing of prototype heat pipe designs continued at a much larger scale. Gian brochure introduction to heat pipe science and. However, in an actual application when a heat pipe is soldered or epoxied to the base of a heat sink. Heat pipe science and technology includes a chapter about two phased close thermosyphon that i will need to study in my project.

The idea of a heat pipe is now to include the complete convective transport in one pipe, where the vapor flow is in the center of the pipe and the liquid flow takes place on the outside of the cylinder. The result is less pumping of the wick with reduced heat transfer. With its unique ability to transfer heat over large distances with minimal loss, the heat pipe has emerged as a proven environmentally friendly, energysaving solution for passive thermal control. The is the only book that is taken very practical approach and shows how easily one can design a manufactured heat pipe for recent technology. Additional copies are available from the technology application center. Today, heat pipes are used in a variety of applications from space to handheld devices that fit in your pocket.

Heat enters the pipe at the evaporator block through the semiconductor devices where it causes working. I am trying to model evaporationcondensation phenomena in 2daxisymmetry heat pipe with vof multiphase model and global courant no. The computeraided cooling curve analysis cacca method based on one thermocouple has been widely used as a batch process with poor control over heat extraction. A heat pipe transfers thermal energy passively from a hot to a cold stream by a boiling condensation cycle inside a. 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 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. Effect of nanofluids on thermal performance of heat pipes. Induction heating technology for the tube and pipe industry. Heat pipe technology is a continuing bibliographic summary of research on the subject of the heat pipe. Buy heat pipe science and technology, second edition on. Heat pipe science and technology, an international journal 284 khandekar et al. It consists of two very strong concentric borosilicate glass tubes with the annular space between them evacuated so as to almost completely eliminate heat loss by conduction and convection.

But it was not the book required because amir faghri. Member of the committee on international heat pipe conferences 1973, acted as committee chairman from 1990 till 2004, and since 2004 he is honorary chairman. Manufacturing and experimental investigation of copper. Experimentation of heat pipe used in nanofluids 1prashant shinde, 2vinod shinde, 3rajiv talape, 4d. Challenges and opportunities of thermal management issues related to fuel cell technology and modeling a faghri, z guo international journal of heat and mass transfer 48 1920, 389920, 2005. Application of heat pipe technology in thermal analysis of. Written by a former senior chief scientist at lockheed who has also worked for westinghouse and the u. Does anyone have the above mentioned book on a pdf file or anything else. A 1971 annual supplement has been published and distributed. 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 710, 1981.

Vidal, in experimental methods in the physical sciences, 1996. The book consists of fourteen chapters, two appendices, and over 400 illustrations, along with numerous references and a wide. Nanofluid as working fluid in heat pipe an experimental. Ats engineering ebook advanced thermal solutions, inc. A heat pipe is a structure with very high thermal conductivity that enables the transportation of heat whilst maintaining almost uniform temperature along its heated and cooled sections. Heat pipe engineering ebook advanced thermal solutions. 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. Nanofluid as working fluid in heat pipe an experimental investigation 1shanmugaraja. Heat pipe science and technology, an international journal.

Heat pipe science and technology, second edition by dr. Transports heat from a heat source to a heat sink works as an isothermalizer why twophase thermal system. Heat pipe technology power management solutions eaton. Bibliography includes bibliographical references and index. This book is organized into seven parts encompassing 69 chapters. Review and advances in heat pipe science and technology. The principle of the heat pipe oven imposes several technical constraints on its design. Heat pipe science and technology begell house digital library.

For example, several million heat pipes are manufactured each month for applications in cpu cooling and laptop computers. It describes the variety of complex and coupled processes of heat and. A utube is made by joining two 1 m vertical glasstubes of 3 mm bore 6 mm external diameter with a short tube at the bottom. Tata steeltraerf faculty fellowship visiting scholar department of materials science and metallurgy university of cambridge pembroke street. Water is poured until the liquid fills 600 mm in each column. In 20 he has been awarded the prestigious george grover medal for outstanding contribution to the development of heat pipe science and technology. It describes the variety of complex and coupled processes of heat and mass transfer in heat pipes. This conference focuses on the advances in heat pipe and thermosyphon technology. Heat pipe technology heat exits the heat pipe at the condenser.

The amount of heat transfer decrease depends on the particular heat pipe. Heat pipes are recognised as one of the most efficient passive heat transfer technologies available. Numerical modelling and experimental validation of heat pipe solar collector for water heating. Master of science thesis kth school of industrial engineering and management energy technology egi2011128msc division of applied thermodynamic and refrigeration se100 44 stockholm, sweden. A heat pipe is a heattransfer device that combines the principles of both thermal conductivity and phase transition to effectively transfer heat between two solid interfaces.

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