For some pressure vessels, it is desirable to have a pressure transducer that does not breech the vessel wall. This is true for pressure vessels used in defense applications where it is desirable to have a shelf life greater than 10 years. In these cases the port required for a gage would reduce the reliability of the system by creating a potential leak path. Pressure vessels containing highly corrosive materials are another application where it is desirable to have a pressure gage with no wetted components. The following discussion documents the design and implementation of a pressure transducer that meets these requirements by determining pressure via vessel impulse response. A simple method for testing the pressure inside a sealed vessel without breeching the vessel wall is presented. The method is based on the impulse response of the vessel. Specific hardware implementations are presented. The device can be cost competitive with normal pressure sensors and can be implemented on pressure vessels currently in service. The pressure sensor has been demonstrated in multiple hardware configurations. All relevant components are considered cryogenic and vacuum capable.


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    Titel :

    Noninvasive fill testing of sealed pressure vessels


    Weitere Titelangaben:

    Nicht-Invasive Füllstandsmessung dichter Druckkessel


    Beteiligte:
    King, Joseph (Autor:in) / Fredrickson, Floyd (Autor:in)

    Erschienen in:

    Sound and Vibration ; 40 , 4 ; 6-8


    Erscheinungsdatum :

    2006


    Format / Umfang :

    3 Seiten, 5 Bilder, 2 Quellen



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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