AbstractRecent experiments in microgravity environment (Texus, Spacelab) have shown that Marangoni Numbers, at the onset of oscillatory flow in floating zones, exceeded by more than one order of magnitude the value previously proposed as critical values. A new criterion is proposed based on the dynamic Weber number prevailing at the surface conditions; the new parameter seems to fit much better all the available experimental findings obtained so far.
On the onset of the oscillatory regimes in Marangoni flows
Acta Astronautica ; 15 , 8 ; 557-560
1987-01-09
4 pages
Article (Journal)
Electronic Resource
English
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