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Published on Jan 5, 2011
Timely detection of the occurrence of cavitation in pumps is very important as it can cause pitting, erosion, and loss of pump performance. Attempts to determine a unique signature of cavitation using vibration, acoustic emission, audible-acoustics, and higher order non-linear modeling techniques have been elusive. We present the results of an experimental study undertaken first to understand the structure of cavitation and develop an effective means for on-line detection of it. By using SpectraQuest Machinery Fault Simulator's pump kit, we can clearly see the cavitation formation.