|Oct10-10, 03:16 AM||#1|
Reactor's waste heat dissipation in space
So, hypothetically if we had a spaceship of some kind using a nuclear fission reactor for power, in order to dump the waste heat into space, how big of a radiator would be needed? How much heat, in watts, can be dumped per square meter of radiator in a vacuum?
|Oct10-10, 04:35 AM||#2|
Eventually all of the heat is radiated to space, which when far enough from a star is at about 4 K. The trade off is between radiator effectiveness (temperature) and thermodynamic efficiency of whatever power conversion system one develops.
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