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Thursday, November 12, 2020 | History

2 edition of Design and Operation of a Heat Pipe found in the catalog.

Design and Operation of a Heat Pipe

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Published by Naval Postgraduate School, Available from National Technical Information Service in Monterey, Calif, Springfield, Va .
Written in English


Edition Notes

ContributionsNaval Postgraduate School (U.S.)
The Physical Object
Pagination1 v. :
ID Numbers
Open LibraryOL25208408M

Your complete resource on heat pipe operation, behavior, performance characteristics, and limitations. This book is designed to help students, operations engineers, and mechanical and electrical engineers in the electronic packaging industry grasp the principles of operation for a wide range of heat : G. P. Peterson.


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Design and Operation of a Heat Pipe by Rufus Thurman Burges Download PDF EPUB FB2

Outline • Heat Pipe Operating Principles – Pressure Drops – Operating Temperature • Functional Types of Heat Pipes • Heat Pipe Operating Characteristics • Heat Pipe Design and Selection – Design Considerations (mostly for Vendors) – Selecting Heat Pipes as Part of Thermal Control System and Mdli fH tPi (f Th lA l t)Modeling of Heat Pipes (for Thermal Analysts).

evaporator. The graph also shows that if the heat pipe is operated against the force of gravity, the liquid undergoes a larger pressure drop. The result is less pumping of the wick with reduced heat transfer. The amount of heat transfer decrease depends on the particular heat pipe.

A typical heat pipe is made of the following: 1. 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, Cited by: Piping is at the heart of any process facility and generally makes up a large fraction of the overall capital cost.

This chapter describes the design, operation, and maintenance of piping in energy and process facilities. Pipe fittings such as blinds, flanges, flame arrestors, heat tracing and vortex breakers are also discussed. 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. 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 4/5(1).

International Heat Pipe Conference inregarding operating conditions, Dr. Polasek stated that the“For successful operation of an oscillating heat pipe, liquid plugs and vapor bubbles must coexist inside the capillary tube along its length.

This can be achieved by vacuuming the tube and then partially filling it with a working fluid. Figure 1. Heat pipe construction and principle of operation.

The application of heat pipes should be considered when the thermal design is either conduction limited or when non-thermal goals such as weight cannot be achieved with other materials such as solid aluminum and/or copper.

The double pipe heat exchanger is one heat exchanger pipe inside another larger pipe for either counter flow or parallel flow pattern. The heat exchange duty a llows calculation of the log mean. 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 Author: Bahman Zohuri.

During heat pipe operation, heat enters Design and Operation of a Heat Pipe book heat pipe at what is known as the evaporator. The fluid contained in the wick structure vaporizes and creates an internal pressure gradient.

This pressure gradient moves the vapor to the cooler region known as the condenser, where it transitions back to liquid. Operation of Heat Pipe.

Surface Tension. Heat Transfer Limitations. Heat Pipe Thermal Resistance. Variable Conductance Heat Pipes (VCHP) Loop Heat Pipes. Micro Heat Pipes. Working Fluid.

Wick Structures. Design Example. References. Problems. •Remote fin stacks (heat exchangers) are a perfect example As with any heat pipe heat sink design, size the heat pipe with an additional 25% thermal headroom If you’re interested in spreading heat to reduce hot spot and/or attach to a local heat exchanger •The ratio of heat spreader to heat source should be on the order of greater areaFile Size: 2MB.

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, prese. Heat pipes are an extremely effective method of reducing hot spot temperatures and increasing allowable power in a system by moving heat to an external sink or spreading heat along a surface.

ACT's expertise with Heat Pipe technology can find a thermal solution for your industry. Visit us for more information. Your complete resource on heat pipe operation, behavior,performance characteristics, and limitations This book is designed to help students, operations engineers, andmechanical and electrical engineers in the electronic packagingindustry grasp the principles of operation for a wide range of heatpipes.

Packed with examples and design information, it takes youthrough the. 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 Pages: Classification According to Heat Transfer Mechanisms 73 Summary 73 References 73 Review Questions 74 2 Overview of Heat Exchanger Design Methodology 78 Heat Exchanger Design Methodology 78 Process and Design Specifications 79 Thermal and Hydraulic Design 83 Mechanical Design The design of shell and tube heat exchanger using Kern method for water and steam from the hot fluid passes through the inner pipe wall.

To maximize the heat transfer, the inner-pipe wall should be thin and very conductive. However, the biggest contribution to Saunders et al in his book proposed practical method andFile Size: KB.

Heat Pipe Reactors (HPR) for space power conversion systems offer a number of advantages not easily provided by other systems. They require no pumping, their design easily deals with freezing and thawing of the liquid metal, and they can provide substantial levels of redundancy.

Nevertheless, no reactor has ever been operated and cooled with heat pipes, Cited by: 2. Your complete resource on heat pipe operation, behavior, performance characteristics, and limitations This book is designed to help students, operations engineers, and mechanical and electrical engineers in the electronic packaging industry grasp the principles of operation for a wide range of heat pipes.

Packed with examples and design information, it takes you through. This Webinar will provide you with an understanding of heat pipe operation and performance, design guidelines to integrate heat pipes into your system, and provide the necessary tools to run easy.

The heat pipe must also withstand bonding temperatures. Design a heat pipe to meet this specification. Selection of materials and working fluid The operating conditions are contained within the specification. The selection of wick and wall materials is based on the criteria discussed in Chapter 3.

As this is. Purchase Heat Pipes - 5th Edition. Print Book & E-Book. ISBNBook Edition: 5. For the Love of Physics - Walter Lewin - - Duration: Lectures by Walter Lewin. They will make you ♥ Physics. Recommended for you. Heat pipes are used in a wide range of applications, including electronics cooling, die-casting and injection moulding, heat recovery and energy conservation, de-icing and manufacturing process temperature control, and in domestic appliances.

An essential guide for practicing engineers and an ideal text for postgraduate students, the book takes a highly practical approach to the.

Your complete resource on heat pipe operation, behavior, performance characteristics, and limitations This book is designed to help students, operations engineers, and mechanical and electrical engineers in the electronic packaging industry grasp the principles of operation for a wide range of heat pipes.

This section introduces furnaces and refractories and explains the various design and operation aspects. What is a furnace.

A furnace is an equipment used to melt metals for casting or to heat materials to change their shape (e.g. rolling, forging) or properties (heat treatment).File Size: 1MB.

Figure 1: 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.

A loop heat pipe with coherent pores integrated to the heat source is considered as a calculation model in this paper(Fig.1).File Size: KB.

The envelope is evacuated, water is added, and then the heat pipe is sealed. Properly fabricated copper/water heat pipes have been operated for over twenty years without maintenance. For a given heat pipe design, the maximum heat pipe power is a function of length, adverse gravitational heat (evaporator located above the condenser), and.

the heat pipe are the surface tension, evaporation enthalpy and the viscosity of the liquid, as higher Me as better is the heat pipe.

PROJECT DESCRIPTION By means of knowledge about the theory of heat pipes, one is now able to carry out a basic calculation of a heat pipe. Beginning with a definition of the problem, including the temperature.

Contents VIII FoulingTendencies 32 Typesand Phases ofFluids 32 Maintenance,Inspection, Cleaning,Repair,and ExtensionAspects 32 OverallEconomy 32 Fabrication Techniques 33 ChoiceofUnitTypefor IntendedApplications 33 RequirementsofHeatExchangers 34 References 34 SuggestedReadings 35 Bibliography 35.

Description. The spectrum of coverage of the volume includes aeroheating and thermal protection for high-velocity entry flight into the Earth's atmosphere (Space Shuttle), comet-like flight very close to the sun (Solar Starprobe), and entry into the gaseous envelope surrounding the planet Jupiter (Jupiter Galileo Probe).

Addeddate Documentid Identifier nasa_techdoc_ Identifier-ark ark://t6k07t49f Ocr ABBYY FineReader Ppi. heat tracers are applied, installed and operated shall not be the cause, even under worst-case conditions, of any unacceptable risk. The design of electrical resistance trace heating systems shall be overseen by persons knowledgeable of trace heating following the design methodology for explosive atmospheres as specified by the manufacturer.

The overall thermal resistance of a heat pipe, defined by equationshould be low, providing that it functions correctly. The operating limits for a wicked heat pipe, first described in [1], are illustrated in Fig.

Figure Limitations to heat transport in a heat pipe Each of these. "This comprehensive reference covers all the important aspects of heat exchangers (HEs)--their design and modes of operation--and practical, large-scale applications in process, power, petroleum, transport, air conditioning, refrigeration, cryogenics, heat recovery, energy, and other industries.

Reflecting the author's extensive practical experienc/5(10). Manual for the Design of Pipe Systems and Pumps engineering for a better world GEA Mechanical Equipment. 2 pipes, valves, heat exchangers, filters and other components, and all of them cause an Details as to considerations of.

Industrial and Process Furnaces: Principles, Design and Operation. Overall, Heat Pipes – Theory, Design and Applications is an excellent book that covers the subject in great depth for the benefit of heat pipe designers and users. Heat pipes are remarkably versatile devices, capable of being manufactured at the very small scale (such as for cooling electronic devices) and on a much larger scale (such as for.

4. Design Guide; 5. Manufacture and Testing; 6. Special Types of Heat Pipe; 7. Applications; 8. Electronics Cooling. (source: Nielsen Book Data) Summary 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.2 Fundamentals of Heat Transfer 1 Design of Finned Tubes 1 Fin Efficiency 3 Plain Geometry 4 Finned Tubes 7 Special Consideration in the Calculation of Heat Transfer 10 3 Equations for the External Heat Transfer Coefficient 12 Staggered Tube Arrangements 12 Overview of Equations 12File Size: 3MB.Design a double pipe heat exchanger with bare inner multi-tubes that can be used to cool engine oil with cold sea water.

The following are the design specification: Fluid Engine Oil Sea Water Inlet Temperature, C 65 20 Outlet Temperature, C 55 25 Heat Load, kW Preliminary design options: Three parallel x two series hairpin heatFile Size: 2MB.