us20060096740a1 - nearly isothermal heat pipe heat sink

Porous Structures in Heat Pipes

2017/4/11This work deals with heat pipes with porous wick structures and experiments depending on the wick structure porosity, because the porosity is one of the wick structure properties which has effect on the heat transport ability of the heat pipe. The work describes manufacturing porous wick structures for wick heat pipe by sintering of copper metal powders with various powder grain size

Thermal conductivity

The thermal conductivity of a material is a measure of its ability to conduct heat. It is commonly denoted by k {displaystyle k}, λ {displaystyle lambda }, or κ {displaystyle kappa } . Heat transfer occurs at a lower rate in materials of low thermal conductivity than in materials of high thermal conductivity. For instance, metals

THERMAL PERFORMANCE MEASUREMENT OF HEAT PIPE

heat pipe then operates in a nearly isothermal condition. This nearly isothermal condition offers benefits of transporting large amounts of heat efficiently, decreasing the overall heat transfer area and saving system weight. The amount of heat that can be

Experimental investigation of an inclined

2013/11/1Superposition method to investigate the thermal performance of heat sink with embedded heat pipes International Communications in Heat and Mass Transfer, 36 ( 2009 ), pp. 686 - 692 Article Download PDF View Record in Scopus Google Scholar

Feel the Heat: Thermal Design Trends in Medical Devices

In a heat pipe heat exchanger, heat spreads through a heat pipe and is dissipated through a finned heat sink, where it is rejected to the ambient atmosphere. T he impressive capabilities of twenty-first century medical technology, from imaging equipment to surgical instruments and automated immunoassays, are in many ways a tribute to the advances in microprocessor computing power.

Heatsinks, extruded heatsink, cold plate, liquid cold plate

Our wide array of products for cooling your specific power electronic application includes: heatsinks, fans, thermal interface materials, CPU coolers, liquid cold plates, heat pipe and vapor chambers assemblies, heat exchanger, isothermal plates.

INTERNATIONAL JOURNAL OF TECHNOLOGY ENHANCEMENTS

applications [3]. Heat pipe is defined as an extremely efficient thermal conductor. Generally, a heat pipe is a heat mover or heat spreading device and it acquires heat from asource andtransfers or spreads it to a sink region. Figure 1: A schematic diagram

Heat Pipe Reliability in High

Heated gas moves to the cold end of the heat pipe at nearly the speed of sound and under nearly isothermal conditions. At the condenser section the gas cools slightly, releasing the heat gain, reverting back to a liquid. This entire cycle usually happens with less

Author's personal copy

2011/2/25heat sink[1,2]. A vapor chamber acts as an idealized heat spreader with nearly isothermal and uniform heat spreading on evaporator wicks using liquid vapor phase change. The dominant sources of its thermal resistance and heat removal limit are low thermal

Heat Pipe Demonstrator at Best Price in India

Heat Pipe Demonstrator It is a super-conducting device and involves the transfer of heat by boiling and condensation of a fluid and hence transfer of heat takes place under nearly isothermal condition. In this apparatus the comparison of heat pipe with the copper pipe

Specialized Heat Transfer Technologies for Different

Instead of dissipating electrical waste heat, the specialized heat exchangers can redirect to wastewater treatment processes to supply much-needed heat throughout the process. For more information about specialized heat transfer technologies for different industries, call Noren Thermal Solutions in Taylor, TX, at 866-936-6736.

Heat Pipe Turbine Vane Cooling Contractor

P28 Heat Pipe Turbine Vane Cooling L. Langston (203-486-5088; Fax: 203-486-4884) A. Faghri (faghrieng2.uconn.edu; 203-486-0419) University of Connecticut Department of Mechanical Engineering 191 Auditorium Road, U-139 Stom, CT 06269-3139 Abstract

A flat heat pipe for use as a cold side heat sink

A flat heat pipe for use as a cold side heat sink Abstract: Heat pipe technology can effectively meet the demand for an isothermal emitter in a thermophotovoltaic (TPV) energy conversion system as it utilizes near isobaric phase changes to transfer heat at a uniform temperature.

Heat Pipe Apparatus at Best Price in India

Specifications: Utilities Required: - Electricity Supply: 1Phase, 220 V AC, 4 Amp Heat Pipe Apparatus superconducting device and involves the transfer of heat by boiling and condensation of a fluid and hence transfer of heat takes place under nearly isothermal

Isothermal characteristics of a rectangular

The isothermal characteristics of a rectangular parallelepiped sodium heat pipe were investigated for high-temperature applications. The heat pipes was made of stainless steel of which the dimension was 140 m(L) 95m(W) 46m(H) and the thickness of the container was 5 mm. Both inner surfaces of evaporator and condenser were covered with screen meshes to help spread the liquid state working

Porous Structures in Heat Pipes

2017/4/11This work deals with heat pipes with porous wick structures and experiments depending on the wick structure porosity, because the porosity is one of the wick structure properties which has effect on the heat transport ability of the heat pipe. The work describes manufacturing porous wick structures for wick heat pipe by sintering of copper metal powders with various powder grain size

Heat Pipes and Thermosyphons

Heat pipes are highly effective passive devices designed to transfer large quantities of heat through a small cross-sectional area over considerable distances, while operating nearly isothermally. Heat pipes are composed of a sealed container, lined internally with a wick and filled partially with a working fluid.

Heat Sinks

Perspective view of a low profile forced convection cooled heat sink, using a flat planar active heat pipe heat spreader base, with inlaid radial convoluted cooling fins. Developed for an electronics company, this low profile heat sink (5mm without fan) has a total thermal resistance of 0.36 C/W.

Heat Sinks

Perspective view of a low profile forced convection cooled heat sink, using a flat planar active heat pipe heat spreader base, with inlaid radial convoluted cooling fins. Developed for an electronics company, this low profile heat sink (5mm without fan) has a total thermal resistance of 0.36 C/W.

Heat Pipes for Thermal Management

Everything you need to know about heat pipes Heat Pipes are one of the most efficient ways to move heat, or thermal energy, from one point to another. These two-phase systems are typically used to cool areas or materials, even in outer space. Heat pipes were first developed for use by Los Alamos National Laboratory to supply heat to and remove waste heat from energy conversion systems.

Heat Pipe Demonstartor at Best Price in Miraj,

Buy low price Heat Pipe Demonstartor in Sangli, Miraj. Heat Pipe Demonstartor offered by Supersonic Electronics is available with multiple payment options and easy delivery. Download Our App!! Buy Sell all from anytime anywhere with the convenience of logo

Heat Transfer Enhancement by Heat Sink Fin Arrangement in

this kind of finned-multi-heat pipes has a much larger condenser surface area than that of a traditional heat pipe to transfer heat to the ambient air. The total surface area of fins of the heat pipe tested is estimated about 0.3 m2. Fig. 1. Heat sink with

Heatsinks, extruded heatsink, cold plate, liquid cold plate

Our wide array of products for cooling your specific power electronic application includes: heatsinks, fans, thermal interface materials, CPU coolers, liquid cold plates, heat pipe and vapor chambers assemblies, heat exchanger, isothermal plates.

Specialized Heat Transfer Technologies for Different

Instead of dissipating electrical waste heat, the specialized heat exchangers can redirect to wastewater treatment processes to supply much-needed heat throughout the process. For more information about specialized heat transfer technologies for different industries, call Noren Thermal Solutions in Taylor, TX, at 866-936-6736.

Heat Pipe Reliability in High

Heated gas moves to the cold end of the heat pipe at nearly the speed of sound and under nearly isothermal conditions. At the condenser section the gas cools slightly, releasing the heat gain, reverting back to a liquid. This entire cycle usually happens with less

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