Probes for evaluating atmospheric electrical conductivity in cloudy conditions and the electric charge of hydrometeors were designed and installed in a C130 aircraft. The measuring principles were validated in laboratory and cloudy wind tunnel tests. Flight tests in cloud free conditions show the suitability of the instruments. In cloudy freezing conditions, measured conductivity is reduced by a factor of two compared with clear sky, revealing weaknesses in values predicted by the wind tunnel tests. Aerodynamic tests are satisfactory.


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    Title :

    Avion de Recherches Atmospheriques (Atmospheric Research Aircraft)


    Contributors:
    P. Gondot (author) / A. Delannoy (author)

    Publication date :

    1984


    Size :

    114 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English