Heat Flow from a 2D Source

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This Demonstration is a 2D model of a room with a point source of heat in the center; it uses Newton's law of cooling and the effect of distance on temperature. As time passes, the circle representing the heat source in the center cools, becoming dimmer. The particles move more slowly as the temperature decreases due to the reduction in kinetic energy.
Contributed by: Mohammad Saad (July 2012)
(Mathematica Summer Camp 2012)
Open content licensed under CC BY-NC-SA
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"Heat Flow from a 2D Source"
http://demonstrations.wolfram.com/HeatFlowFromA2DSource/
Wolfram Demonstrations Project
Published: July 16 2012