AbstractWe propose an inflatable balloon floating below the Venus clouds by the use of water as the lifting gas. The balloon has a unique water vaporizing system that is simple, lightweight and small in size. The balloon shape is chosen to be cylindrical with a large aspect ratio for obtaining a sufficient surface area, which is used for a vaporizer instead of a large and heavy heat exchanging system. The envelope of the balloon has an outer layer for gas-barrier with a high-temperature resistant polymer film and an inner layer for keeping a lot of liquid water widely and thinly. Vaporization of the contained water is accomplished by the large heat flux from the high-temperature atmosphere in the large surface area. Balloon deployment and the inflation sequence are numerically examined. This type of balloon has a potential for a long duration in situ meteorological observation.


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    Titel :

    Venus balloons using water vapor


    Beteiligte:
    Izutsu, N. (Autor:in) / Yajima, N. (Autor:in) / Honda, H. (Autor:in) / Imamura, T. (Autor:in)

    Erschienen in:

    Advances in Space Research ; 33 , 10 ; 1831-1835


    Erscheinungsdatum :

    2003-07-18


    Format / Umfang :

    5 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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