Volume 69, Number 4, February 2005
|Page(s)||510 - 516|
|Published online||14 January 2005|
Hydrodynamic relaxation of the adiabatic piston
Université Libre de Bruxelles - 1050 Bruxelles, Belgium
2 Limburgs Universitair Centrum - B-3590 Diepenbeek, Belgium
Accepted: 15 December 2004
We derive a closed deterministic equation for the motion of the two-dimensional adiabatic piston. It predicts a damped oscillatory motion of the piston towards a final rest position, which depends on the initial state. In the limit of large piston mass, the solution of this equation is in quantitative agreement with the results obtained from both hard-disk molecular dynamics and hydrodynamics.
PACS: 05.40.-a – Fluctuation phenomena, random processes, noise, and Brownian motion / 05.70.Ln – Nonequilibrium and irreversible thermodynamics
© EDP Sciences, 2005
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