Abstract An active impact detector is described which has recently been developed and tested in the Munich Plasma Accelerator Facility. Piezo microphones are used for detection of penetration and impact events in a set-up which consists of a thin front foil and an impact plate. The elastic-wave propagation times between the impact location and the microphones will be measured in both the foil and the target and, by correlation of these time sequences and the signal amplitudes, the impact event time, the impact location, the projectile velocity, the flight path direction and the mass of the impacting particle can be evaluated. This measurement principle can be applied to a wide range of projectile size and velocity. Results of impact simulation experiments are presented and discussed with respect to a flight experiment application.
Two-stage acoustic penetration and impact detector for micrometeoroid and space debris application
Advances in Space Research ; 5 , 2 ; 91-94
01.01.1985
4 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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