Axial Grooved and Constant Conductance Heat Pipes


Enable Longer Product Lifetimes

No moving parts to fail and extremely reliable


Broad Operating Temperature

Wide operating temperature range: -200°C to 250°C



bendable, flexible, and routable

High, Cost-Effective Performance

Axially grooved constant conductance heat pipes (CCHPs) from Boyd provide unsurpassed thermal transfer of high heat loads over distances over 3 meters and they can cost less to fabricate than heat pipes with conventional wicks.

Low maintenance axially grooved constant conductance heat pipes are ideal for satellite thermal management applications. For electronics enclosure cooling, the long-range heat transfer capabilities of these heat pipe solutions are effective for increasing design flexibility, giving engineers a variety of options for cooling electronic components in various challenging locations.

Axially grooved heat pipes work best where gravity is not a factor, such as in horizontal configurations or aerospace and satellite applications. Axial groove heat pipes are efficient in returning condensate to the evaporator.

Axially grooved heat pipes use a circle of grooves in the interior wall of the heat pipe envelope as the wick efficiently pulls condensate back to the evaporator from the cooler surfaces where working fluid had condensed.

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