Physics
Scientific paper
Jan 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999adspr..23.1191s&link_type=abstract
Advances in Space Research, Volume 23, Issue 7, p. 1191-1196.
Physics
5
Scientific paper
We report on experiments with small particles (tracers) in a ring vortex of thermocapillary flow (TF) in NaNO3 melt which form for favorable conditions ``clouds'' if TF is oscillatory and ring structures if TF is time-independent or time-independent with small disturbances. We call this novel phenomenon particle accumulation structure (PAS). PAS is in our case a three-dimensional phenomenon, but we express the hope that modelling PAS numerically can lead to the experimentally tested basis for modelling cloud formation in proto-planetary accretion disks, where these clouds could become embryos for planets.
Frank Stefan
Schwabe Daniel
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