Abstract An active impact detector is described which has been developed and tested in the Munich Plasma Accelerator Facility. A target made of large surface piezoceramic material is used for the detection of impact events. Particles impacting on the detector will cause there charge displacements due to the piezoelectric effect which can be measured at the electrodes. The flux rate and the momentum and the size of the particles can be derived from the first slope of the generated charge signal. Due to the high charge production rate per force unit and a momentum transfer without loss of the impact process the sensitivity of this acoustic sensor is very high. Results of impact simulation experiments are presented and discussed with respect to flight experiment applications.


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    Title :

    Large surface piezoceramics used for an impact detector for micrometeoroid and space debris application


    Contributors:
    Weishaupt, U. (author) / Rott, M. (author)

    Published in:

    Publication date :

    1987-01-01


    Size :

    4 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



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