The noise floor of low frequency acceleration data acquired on the Space Shuttle Main Engines is higher than desirable. Difficulties of acquiring high quality acceleration data on this engine are discussed. The approach presented in this paper for reducing the acceleration noise floor focuses on a search for an accelerometer more capable of measuring low frequency accelerations. An overview is given of the current measurement system used to acquire engine vibratory data. The severity of vibration, temperature, and moisture environments are considered. Vibratory measurements from both laboratory and rocket engine tests are presented.


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    Title :

    Improvement of Space Shuttle Main Engine Low Frequency Acceleration Measurements


    Contributors:

    Conference:

    Aerospace Testing ; 1999 ; Manhattan Beach, CA, United States


    Publication date :

    1999-01-01


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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