Drop towers used as experimental facilities have played a major role in the development of fundamental theory, engineering analysis, and the proofing of system designs applicable to fluid interface phenomena in a low-gravity environment. In this paper, the parameters essential to the effective use of drop tower experiments relevant to fluid interfaces with constant fluid properties are reviewed. The often dramatic influence of the contact angle and the uncertainty of the moving contact line boundary condition are emphasized. A number of sample problems buttressed by recent results from drop tower tests are discussed; these clearly demonstrate the role of inertia and the controlling influence of surface wettability and container geometry for the large length scale capillary flows that arise in fluid systems in space.


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    Title :

    Fluid Interface Phenomena in a Low-Gravity Environment: Recent Results from Drop Tower Experimentation


    Contributors:

    Published in:

    Publication date :

    1998-01-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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