Two apparatuses now under development are intended to perform a variety of deep-drilling, coring, and sensing functions for subsurface exploration of rock and soil. These are modified versions of the apparatuses described in Ultrasonic/Sonic Drill/Corers With Integrated Sensors (NPO-20856), NASA Tech Briefs, Vol. 25, No. 1 (January 2001), page 38. In comparison with the drilling equipment traditionally used in such exploration, these apparatuses weigh less and consume less power. Moreover, unlike traditional drills and corers, these apparatuses function without need for large externally applied axial forces.


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    Title :

    Ultrasonic/Sonic Mechanisms for Drilling and Coring


    Contributors:


    Publication date :

    2003-09-01


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English





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