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Thermal Management: Heat Dissipation

Using thermal solution technologies from Aavid Thermacore such as heat pipes, vapor chambers, loop heat pipes, k-Core®, liquid cold plates and heat exchangers, designers can choose to dissipate waste heat to air (natural or forced convection), to liquid (water, water/glycol, PAO) or radiate to space.

Dissipating Heat to Air

vapor5c-Dispersing HeatIn many applications, the ultimate heat sink for waste heat is air, especially in electronics cooling applications. Using Aavid Thermacore’s heat pipe assemblies and heat spreader technologies, waste heat is typically absorbed from a heat generating device (e.g., an electrical component within an electronics system — i.e. computers and data centers) and then moved or spread for dissipation into the ambient air through either natural or forced (using a fan air mover). Thermal technologies from Aavid Thermacore such as remote heat pipe assemblies and vapor chambers allow the designer to move heat from high heat flux components to a location with a larger surface area (typically plate fins or folded fins) and lower heat flux for dissipation into the ambient air.

Dissipating Heat to Liquid

Applications with large heat loads such as military radars or power electronics often require waste heat to be dissipated into the liquid coolants (water, water/glycol, PAO) of a secondary system for ultimate heat dissipation. Aavid Thermacore’s heat pipe cold plates and liquid cold plates allow designers to move heat from a heat generating device into a coolant being circulated from a secondary system.

Dissipating Heat through Radiation

As satellites are packaged with more electronics, the challenge of rejecting heat through the limited surface area becomes greater. Aavid Thermacore’s low temperature, axially grooved heat pipes (ammonia/aluminum, ethane/aluminum) and loop heat pipe technology make it possible to reject heat through radiator panels that are stored for launch, then deployed from the satellite when the satellite achieves orbit. Our low temperature axially grooved heat pipes spread heat out from the satellite extronics to the radiator panels, dissipating waste heat to space. And our loop heat pipe technology is capable of transporting and rejecting heat loads from hundreds of W to greater than 2,000 W.


Thermal management challenge? Take the first step towards the solution for you. Please contact an Aavid Therrmacore technical representative or e-mail for more information on our thermal solution technologies.

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