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Lori Heat Pipes assemblies have emerged as the most important tool available for the transfer of heat energy. How does the thermal engineer cope with conflicting demands for small package that incorporates suffcient cooling to insure high component relibility and long component life? The thermal designs of equipment have become as important as the electronic designs. Overheating shortens component life, threatens specification compliance by decreasing performance. Of the carious means of transferring and dissipating this heat, the heat pipe is in many respects the most satisfactory. The heat pipe is a self-contained device of very high thermal conductivity. Heat pipes are relatively small and lightweight, they transfer heat at a high rate over a considerable distance with extremely small temperature drop.
What is heat pipe and what are major variables associated with heat pipe performance?
The heat pipe is a sealed tube which enclose a capillary wick. The wick is saturated with liquid phase of working fluid. The remaining volume of the pipe contains the vapor phase.In its longitudinal direction, the heat pipe contains an evaporator section and condenser section which are separated by an adiabatic section. As heat is applied externally at the evaporator end, the fluid in that section vaporizes. The resulting difference in pressure drives vapor from the evaporator to the condenser section,where it condenses thus releasing the latent heat of vaporization. The condensed fluid travels by capillary action along the wick back to the evaporator end. Then the whole cycle repeats. The heat pipe can therefore transport a large amount of heat with small unit size and weight.
Variables related to heat pipe performance:
1. Total heat carried from the input end to the output end in Watts.
2. Thermal gradient in heat pipe along its length.
3. 3-Input and output thermal drop.
4. Gravity orientation.
5. Maximum storage or use temperature.
Operating temperature: Heat pipe cooling performance is function of it's temperature. The higher the temperature the, the more conductive the unit and the lower the overall thermal drop.A heat pipe is not damage when allowed to cool below it s temperature rating; it may cease to function but will resume normal activity when warmed again to within its operation limits. The maximum storage temperature range is always calculated for use under atmospheric pressure, and the range will be lower in a vacuum or at high altitude.
Custom design:
Lori engineers can design and build custom heat pipes heat sink to solve any thermal problem.The cost on special heat pipes are comparable with those of standard models, since most of custom devices can be made largely from properly selected and assembled standard components.
Typical applications of heat pipes: Heat pipes, because of their lightweight, compact structure and their efficient, virtually isothermal operation, have found a wide variety of applications.
Heat pipe applications can be grouped into:
1. Cooling
2. Temperature leveling and eliminating hot spots
3. Remote cooling (separation of heat source and heat sink)
4. Constant temperature maintenance
5. Temperature control
Heat Sink market report helps you anticipate the future and make better use of the business cycle.. The heat sinks industry Outlook can help you anticipate upcoming trends. Lori present the analysis of Heat Sink Market.
The Custom Heat Sink Market Segmentation:
Copper aluminum heat sink
Automoblie industry
Electronic industry
Region of Heat Sink Market
North America Country (United States, Canada)
South America
Asia Country (China, Japan, India, Korea)
Europe Country (Germany, UK, France, Italy)
Other Country (Middle East, Africa, )
Heat Sink Market – Size, Growth, Forecast
Lori is one of skived fin heat sink manufacturers for many years, We have the advantages of skived fin heat sink production as follows
1. Many years of experience in the production of skived heatsink, support a variety of sizes, efficient cooling. Accept customized skived fin heat sink.
2. We have a large scale manufacturing plant of skived fin heat sink and we have more than 20 sets of skived fin machine with large production capacity.
3. Skiving fin process is mature, master each kind of heat sink production technology, quality is good, price is excellent.
4. LORI perform production standard is ISO9001:2008 / ISO14001:2004 / TS16949 quality management system certification, quality also high standard.
5. With a professional business team and engineering team, to provide customers with quality service level, after-sales problems can be smooth communication.
Liquid cold plate manufacturers pose a great threat to modern electronic equipment, which will lead to unstable operation of the equipment system, shorten the service life, and even burn some parts. Because of the high temperature caused by the paralysis of a lot of equipment, people came up with many ways to solve the problem. Heat sink is the measures to solve the heat dissipation). In many electronic products have Heat sink, such as computer, etc. As a result of product variety more, heat sink variety. liquid cooling plate are one of them.
A cold plate heat sink is a forced circulation of a pump-driven liquid to take away its heat. Compared with the air cooling heat sink , it has the advantages of quiet, stable, little dependence on the environment, etc., The heat dissipation efficiency of the heat sink manufacturer of water cooling plate is related to the thermal conductivity of the heat sink material, the heat capacity of the heat sink material and heat sink medium and the effective radiant area of the heat sink.
Want to know more information on the cost of cold plate, please click on "Cold Plate Manufacturing Cost ".
According to the way of heat taking, the Heat sink is divided into two categories: active heat dissipation and passive heat dissipation.The former is the air cooling Heat sink, the latter is the Heat sink cooling further subdivision can be divided into air cooling, heat pipe, liquid cooling, semiconductor making and compressor refrigeration.Air cooling is the most common and very simple, that is to use the fan to take away the heat absorbed by the Heat sink it has the advantages of relatively low price, simple installation, the goal of the environment is very strong physical such as when the temperature and rate is too high, its thermal performance will be greatly affected
According to the way of heat taking, the Heat sink is divided into two categories: active heat sink and passive heat sink .The former is the air cooling Heat sink, the latter is the Heat sink cooling further subdivision can be divided into air cooling, heat pipe, liquid cooling, semiconductor making and compressor refrigeration. Air cooling is the most common and very simple, that is to use the fan to take away the heat absorbed by the Heat sink it has the advantages of relatively low price, simple installation, the goal of the environment is very strong physical such as when the temperature and rate is too high, its thermal performance will be greatly affected.
Water cooling technology of water cooled plate manufacturers has been used for a long time for heat dissipation of mechanical parts, but due to the limitation of some processes or material, has not been widely used. Technical constraints such as machining, pipe embedding, bonding, coolant and leakproof need take a long time to develop and verify. Another reason for the limited application of water cooling plate is the manufacturing cost of water cooling plate
In recent years, with the progress of processing technology and the improvement of machining accuracy of machine tools, the production of liquid cooling cold plate such as microchanneled liquid cooling cold plate is more and more easy to realize.
Lori as a high power heat sink manufacturer, has increased the investment in liquid cooling research and development, the maturity of key processes such as buried pipe and welding, the cost of cold plate decline year by year, no doubt is one of the important advantage promoting water cooled heat dissipation, the application of water cooling technology is in constant expansion, the original is only applicable to automobiles, data center and other large equipment, now can be used for home computer heat dissipation.
In the recent two years, new energy industry is developing rapidly, more and more new energy use in the field of cold plate , such as a new energy of power battery, electric car controller, pv inverter, wind energy converter are all use liquid cold plates cooling. we can say, in the future, further development of new energy water cooling technology will meet more widely application. The application and promotion of cold plate liquid cooling technology is based on the high efficiency of water cooling plate. Compared with other cooling methods, water cooling plate has incomparable advantages. Through reasonable heat dissipation design, can effectively and quickly take away the heat, achieve the fast cooling of mechanical parts, ensure efficient operation of machine parts.