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Originally Posted by Althornin
Well, point one:
Wrong. Air's thermal conductivity is not changing just because it is moving -neither does water. But you have to have airflow or water flow, or the water/air around your heatsink/waterblock will continue to heat up. The thermal energy transfered is a function of the difference in temperatures between the two.
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but if i had a solid block of water(ice) to apply heat to one side to raise the temperature from -20 deg to -10 to the other side...
it would take a long time... how to measure the time or the amount of heat involved is unknown to me...
but using the same volume of water(not solid but fluid) applying heat to one side the oposite side would get a fater increase in temperature because the heated water can move... while ice can't...
or is it a case that water (fluid) is close to but not quite as efficient of removing heat directly from a core as copper(solid) is and if the water was frozen it would have absolutly terrible toi remove heat?