Heat Management: Difference between revisions
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Nothing is perfectly efficient, not even thermal devices that operate on heat. The only exceptions are when you are maximizing heat generation, like with resistive heating (as with home radiators) or when you are moving heat around (you can actually exceed 100% efficiency with these devices, like air conditioners). From an engineering perspective, those device inefficiencies result in heat generation. | |||
Heat can also come from the external environment, like if you happen to be piloting a subterrene deep down in the depths of the Earth, or less fantastically, when you are being warmed by the sun's rays. | |||
As said in the article about [[Heat]], heat is a flow of entropy with an associated energy, and neither entropy nor energy can be destroyed, the heat must be moved somewhere else, or kept in a place where it won't bother you (insulation - though in practice, nothing is a perfect insulator, and so the heat transfer will occur, just on a very slow timescale). | |||
=The cause of it all= | =The cause of it all= | ||
Revision as of 13:55, 30 July 2023
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Nothing is perfectly efficient, not even thermal devices that operate on heat. The only exceptions are when you are maximizing heat generation, like with resistive heating (as with home radiators) or when you are moving heat around (you can actually exceed 100% efficiency with these devices, like air conditioners). From an engineering perspective, those device inefficiencies result in heat generation.
Heat can also come from the external environment, like if you happen to be piloting a subterrene deep down in the depths of the Earth, or less fantastically, when you are being warmed by the sun's rays.
As said in the article about Heat, heat is a flow of entropy with an associated energy, and neither entropy nor energy can be destroyed, the heat must be moved somewhere else, or kept in a place where it won't bother you (insulation - though in practice, nothing is a perfect insulator, and so the heat transfer will occur, just on a very slow timescale).
The cause of it all
Heat transport
Heat pumps
Heat rejection
In atmosphere
Convective cooling
Evaporative cooling
In space
Radiators
Droplet radiators
Dusty plasma radiators
Open cycle cooling
Insulation
Heat sinks
Phase transitions
Notes for spaceship combat
For when the heat comes from outside, not within
Insulation, again
Heat pumps, also
Refrigerators and freezers
Heat Shields
Additional reading
References
Credit
Authors: Qalqulserut, Rocketman1999