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"The heat will be spread out, but not moved away from the device, so once it's hot, it will likely radiate that heat around the board." The author doesn't seem
by jascii 7y ago
"The heat will be spread out, but not moved away from the device, so once it's hot, it will likely radiate that heat around the board."
The author doesn't seem to grasp the concept of convective cooling or how heatsinks are supposed to work.
- GhostVII 7y agoI think that comment was in contrast to what they said about the fan: > This option does apply a decent amount of cooling at idle and under load, it also moves the heat away from the board unlike the heatsink. I think the comment makes sense with that context, compared to a fan, the heat from a heatsink will stay near the board and make future cooling less efficient.
- OJFord 7y agoBut with or without a fan, the point of a heatsink is to increase surface area for convection. A fan also aids convection, but instead by maintaining a larger temperature difference between the surface (however large) and the surrounding air. Either alone is good; both together are better.