PMID: 19113560Dec 31, 2008Paper

Convective dust clouds driven by thermal creep in a complex plasma

Physical Review Letters
S MiticG E Morfill

Abstract

Steady-state clouds of microparticles were observed, levitating in a low-frequency glow discharge generated in an elongated vertical glass tube. A heated ring was attached to the tube wall outside, so that the particles, exhibiting a global convective motion, were confined vertically in the region above the location of the heater. It is shown that the particle vortices were induced by the convection of neutral gas, and the mechanism responsible for the gas convection was the thermal creep along the inhomogeneously heated tube walls. The phenomenon of thermal creep, which commonly occurs in rarefied gases under the presence of thermal gradients, should generally play a substantial role in experiments with complex plasmas.

References

Oct 26, 2002·Physical Review Letters·H RothermelH M Thomas
Aug 11, 2005·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·S A KhrapakV E Fortov
Oct 13, 2007·Physical Review Letters·A V IvlevG E Morfill

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Citations

Nov 5, 2014·The Review of Scientific Instruments·Carsten KillerAndré Melzer
Oct 27, 2016·The Review of Scientific Instruments·M Y PustylnikS Christoforetti
Aug 8, 2009·Physical Review Letters·M SchwabeG E Morfill
Nov 13, 2009·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·T M Flanagan, J Goree
Apr 8, 2014·Physical Review Letters·Mierk SchwabeGregor E Morfill
Sep 19, 2015·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·A V FedoseevT S Ramazanov
Jul 15, 2015·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Modhuchandra LaishramPredhiman K Kaw
Feb 2, 2013·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·M A FinkG E Morfill

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