Systems and methods for combined active and passive cooling of an information handling resource
Heat-rejecting media may thermally couple to a device, and the heat-rejecting media may include active heat-rejecting media configured to thermally couple to the device and thermally couple between the device and an active cooling system such that the active cooling system causes heat transferred to the active heat-rejecting media from the device to be transferred from the active heat-rejecting media and passive heat-rejecting media extending from the active heat-rejecting media and configured to thermally couple to the device and thermally couple between the device and a system-level air mover other than the active cooling system and configured to drive airflow to components of a system comprising the device such that the heat transferred to the passive heat-rejecting media from the device is transferred to the airflow driven by the system-level air mover.
1. An information handling system comprising:
a system-level air mover configured to drive airflow to a plurality of components of the information handling system;
an information handling resource; and
heat-rejecting media thermally coupled to the information handling resource, the heat-rejecting media comprising:
active heat-rejecting media comprising a heatsink thermally coupled to the information handling resource and a local air mover mechanically coupled directly to the heatsink; and
passive heat-rejecting media extending from the active heat-rejecting media and thermally coupled to the active heat-rejecting media via one or more heat pipes, wherein the passive heat-rejecting media does not have an air mover mechanically coupled directly thereto, and wherein the passive heat-rejecting media is downstream of the system-level air mover and configured to be cooled by the airflow driven by the system-level air movers;
wherein the system-level air mover is configured to drive airflow to both the active heat-rejecting media and the passive heat-rejecting media, and wherein the active heat-rejecting media is downstream of the passive heat-rejecting media in the airflow driven by the system-level air mover.
2. The information handling system of claim 1 , wherein the active heat-rejecting media has a two-dimensional footprint equivalent to that of the information handling resource, and wherein the passive heat-rejecting media extends outside the two-dimensional footprint.
3. The information handling system of claim 1 , wherein the passive heat-rejecting media is arranged with respect to the system-level air mover in order to maximize surface area of the passive heat-rejecting media upon which airflow generated by the system-level air mover impinges.
4. Heat-rejecting media configured to be thermally coupled to an information handling resource, the heat-rejecting media comprising:
active heat-rejecting media comprising a heatsink configured to thermally couple to the information handling resource and further comprising a local air mover mechanically coupled directly to the heatsink; and
passive heat-rejecting media extending from the active heat-rejecting media and thermally coupled to the active heat-rejecting media via one or more heat pipes, wherein the passive heat-rejecting media does not have an air mover mechanically coupled directly thereto, and wherein the passive heat-rejecting media is downstream of a system-level air mover that is configured to drive airflow to a plurality of components of an information handling system comprising the information handling resource, the passive heat-rejecting media configured to be cooled by the airflow driven by the system-level air mover, wherein the system-level air mover is configured to drive airflow to both the active heat-rejecting media and the passive heat-rejecting media, and wherein the active heat-rejecting media is downstream of the passive heat-rejecting media in the airflow driven by the system-level air mover.
5. The heat-rejecting media of claim 4 , wherein the active heat-rejecting media has a two-dimensional footprint equivalent to that of the information handling resource, and wherein the passive heat-rejecting media extends outside the two-dimensional footprint.
6. The heat-rejecting media of claim 4 , wherein the passive heat-rejecting media is arranged with respect to the system-level air mover in order to maximize surface area of the passive heat-rejecting media upon which airflow generated by the system-level air mover impinges.
7. A method for forming heat-rejecting media configured to be thermally coupled to an information handling resource, the method comprising:
thermally coupling active heat-rejecting media comprising a heatsink and a local air mover mechanically coupled directly to the heatsink to passive heat-rejecting media via one or more heat pipes, such that:
the active heat-rejecting media is configured to thermally couple to the information handling resource; and
the passive heat-rejecting media extends from the active heat-rejecting media, wherein the passive heat-rejecting media does not have an air mover mechanically coupled directly thereto, and wherein the passive heat-rejecting media is downstream of a system-level air mover that is configured to drive airflow to a plurality of components of an information handling system comprising the information handling resource, the passive heat-rejecting media configured to be cooled by the airflow driven by the system-level air mover, wherein the system-level air mover is configured to drive airflow to both the active heat-rejecting media and the passive heat-rejecting media, and wherein the active heat-rejecting media is downstream of the passive heat-rejecting media in the airflow driven by the system-level air mover.
8. The method of claim 7 , further comprising forming the active heat-rejecting media to have a two-dimensional footprint equivalent to that of the information handling resource, wherein the passive heat-rejecting media extends outside the two-dimensional footprint.
9. The method of claim 7 , further comprising arranging the passive heat-rejecting media with respect to the system-level air mover in order to maximize surface area of the passive heat-rejecting media upon which airflow generated by the system-level air mover impinges.