Dissipative collapse of the adiabatic pistonR. Brito1, M. J. Renne2 and C. Van den Broeck3
1 Institute for Theoretical Physics, Utrecht University 3508 TD Utrecht, The Netherlands
2 Burg. v.d. Heidelaan 55, 3451 ZS Vleuten, The Netherlands
3 Limburgs Universitair Centrum - B-3590 Diepenbeek, Belgium
received 10 December 2004; accepted in final form 9 February 2005
published online 9 March 2005
An adiabatic piston, separating two granular gases prepared in the same macroscopic state, is found to eventually collapse to one of the sides. This new instability is explained by a simple macroscopic theory which is furthermore in qualitative agreement with hard-disk molecular dynamics.
05.40.-a - Fluctuation phenomena, random processes, noise, and Brownian motion.
05.70.Ln - Nonequilibrium and irreversible thermodynamics.
45.70.Mg - Granular flow: mixing, segregation and stratification.
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