Europhys. Lett.
Volume 70, Number 1, April 2005
Page(s) 29 - 35
Section General
Published online 09 March 2005
Europhys. Lett., 70 (1), pp. 29-35 (2005)
DOI: 10.1209/epl/i2004-10470-4

Dissipative collapse of the adiabatic piston

R. 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.

© EDP Sciences 2005