A recent experiment, published in Phys. Rev. Lett. 117, 098006, 2016 shows thermal convection in a granular gas with small gravity. The convection pattern is induced by combination of vertical gravity and a horizontal thermal gradient due to energy dissipation at the lateral walls.
https://www.isc.cnr.it/wp-content/uploads/2014/08/8318246_m.jpg 565 848 Andrea Puglisi https://www.isc.cnr.it/wp-content/uploads/2017/10/simpleNew-Wide_logo-transparent.jpg Andrea Puglisi2016-12-20 12:26:582017-10-11 18:02:05Thermal convection in granular gases