SYSTEMS AND METHODS FOR DAMPING TEMPERATURE PEAKS WITH MOISTURE-SORBING HEATSINKS
An information handling system may include an information handling resource, an air mover configured to drive a flow of air, and heat-rejecting media thermally coupled to the information handling resource, the heat rejecting media comprising a heatsink structure, the heatsink structure comprising a plurality of heatsink features, wherein a portion of the heatsink features are coated with a desiccant material.
1 . An information handling system comprising:
an information handling resource;
an air mover configured to drive a flow of air; and
heat-rejecting media thermally coupled to the information handling resource, the heat rejecting media comprising a heatsink structure, the heatsink structure comprising a plurality of heatsink features, wherein a portion of the heatsink features are coated with a desiccant material.
2 . The information handling system of claim 1 , wherein the portion of the heatsink features are coated with a desiccant material such that a percentage of surface area of the heatsink structure coated with the desiccant material increases from a first end of the heatsink structure to a second end of the heatsink structure located further from the air mover than the first end.
3 . The information handling system of claim 1 , wherein the plurality of heatsink features comprises a plurality of generally parallel fins configured generally parallel to the flow of air.
4 . The information handling system of claim 1 , further comprising:
a temperature sensor; and
a closed-loop thermal control system for controlling the flow of air driven by the air mover based on a temperature sensed by the temperature sensor.
5 . Heat-rejecting media comprising a heatsink structure, the heatsink structure comprising:
a plurality of heatsink features; and
desiccant material configured such that a portion of the heatsink features are coated with the desiccant material.
6 . The heat-rejecting media of claim 5 , wherein the heatsink features are coated with the desiccant material such that a percentage of surface area of the heatsink structure coated with the desiccant material increases from a first end of the heatsink structure to a second end of the heatsink structure.
7 . The heat-rejecting media of claim 5 , wherein the plurality of heatsink features comprises a plurality of generally parallel fins configured generally parallel to the flow of air.
8 . A method for fabricating heat-rejecting media comprising:
providing a plurality of heatsink structures; and
coating the plurality of heatsink structures in desiccant material configured such that a portion of the heatsink features are coated with the desiccant material.
9 . The method of claim 8 , wherein coating comprising coating such that a percentage of surface area of the heatsink structure coated with the desiccant material increases from a first end of the heatsink structure to a second end of the heatsink structure.
10 . The method of claim 8 , wherein the plurality of heatsink features comprises a plurality of generally parallel fins configured generally parallel to the flow of air.