An acoustic emission (AE) method is being used to measure the burning rate of solid propellant strands. This method has a precision of 0.5 % and excellent burning rate correlation with both subscale and large rocket motors. The AE procedure burns the sample under water and measures the burning rate from the acoustic output. The acoustic signal provides a continuous readout during testing, which allows complete data analysis rather than the start-stop clockwires used by the conventional method. The AE method helps eliminate such problems as inhibiting the sample, pressure increase and temperature rise, during testing. (Kursetz)


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    Title :

    Development of an acoustic emission strand burning technique for motor burning rate prediction


    Additional title:

    Entwicklung eines akustischen Messverfahrens der Verbrennungsgroesse mit Festtreibstoffstreifen zur Vorbestimmung der Abbrennrate von Triebwerken


    Contributors:

    Published in:

    Publication date :

    1978


    Size :

    4 Seiten, 5 Bilder, 4 Tabellen, 2 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English







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