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MAXWELL.MID
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1990-04-05
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Simulation of a Maxwell Demon
__________________________________
The Maxwell demon (a color separator one) is sitting in the
hole of the wall which separates the the container into two parts.
She lets the green particles pass only to the right and the red ones
to the left direction. The upper diagram shows the entropy of mixing
of the system, the lower one shows the horizontal density
distribution of the green particles. The green particles start from
the left part of the container while the red ones from the right
part.
Watch the strange operation of the Maxwell demon:
The particles first uniformly fill both sides of the vessel
then the demon slowly pumps the green ones to the right side, the red
ones to the left side. The entropy of mixing quickly reaches its
maximum then slowly decreases to zero again.
Control keys:
<F2> : switch ON/OFF tracing of a randomly selected GREEN particle
<F3> : switch ON/OFF tracing of a randomly selected RED particle
<F4> : switch ON/OFF shot noise
<F5> : switch ON/OFF mutual collisions of the particles
<P> : temporarily suspend the simulation, resume it by pressing
any key
<Esc>: stop the simulation