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New approach for location of continuously emitting acoustic emission sources by phase-controlled probe arrays

 
: Klein, B.; Deuster, G.; Höller, P.; Waschkies, E.

4th Japanese-German Seminar on Structural Strength and NDE Problems in Nuclear Engineering
1988
S.453-463
Japanese-German Seminar on Structural Strength and NDE Problems in Nuclear Engineering <4, 1988, Kanazawa>
Englisch
Konferenzbeitrag
Fraunhofer IZFP ()
localization of continuous AE signals; phased array probe

Abstract
A new method for localization a continuous AE source is described. This method bases on the phased array technique: The signals of several sensors are delayed and summed up. The sum signal reaches a maximum, if the delay times are equal to the time of flight differences from the source to the single sensors of the array. First results of localizing an artificial continuous noise source by a phased array probe are presented. (IZFP)

: http://publica.fraunhofer.de/dokumente/PX-26071.html