How effective are heat pipes?
How effective are heat pipes?
Hi
It seems most heat pipes rely on water inside, but since water boils at 100°C, a 60°C heat source would be challenging. Would the effectiveness depend more on the copper tube rather than the water vapor for transferring heat? Yes, that makes sense.
It's actually a very efficient non-mechanical heat pump, even though only a small amount of liquid is used. The low-pressure boiling is well-known among mountaineers—it's difficult to brew a good cup of tea at high altitudes since the water boils at a low temperature. Some foods also require special cooking instructions for those conditions.
i think the liquid inside is introduced at reduced pressure, which lowers the boiling point
and the interior of the heat pipes are fused to create a wick effect, allowing the liquid to vaporize and then condense, being pulled back by capillary forces
there is a substance with an extremely low boiling point. it boils and cools the CPU, the vapor travels to the distant end, condenses there, and the liquid moves back. rinse, repeat. the movement of pressure as the liquid expands and contracts powers this cycle. like mcnumpty mentioned in science talk
It's actually a very efficient non-mechanical heat pump, even though only a small amount of liquid is used. The low-pressure boiling is well-known among mountaineers—it's difficult to brew a good cup of tea at high altitudes since the water boils at a low temperature. Some foods also require special cooking instructions for those conditions.