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.


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    Title :

    On the onset of the oscillatory regimes in Marangoni flows


    Contributors:

    Published in:

    Acta Astronautica ; 15 , 8 ; 557-560


    Publication date :

    1987-01-09


    Size :

    4 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



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