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    • Modal evaluation of fluid volume in spacecraft propellant tanks 

      Finnvik, Stephanie; Metallo, Steven; Robinson, John; Crosby, Kevin; Werlink, Rudy (2011-09-02)
      A novel, real-time method of determining the volume of propellant present in a spacecraft tank in reduced gravity is presented. In the experiment reported here, modal analysis techniques are applied to detect shifts in ...