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Propagation Of Plate Acoustic Waves In Contact With Fluid Medium, Nagaraj Ghatadi Suraji
Propagation Of Plate Acoustic Waves In Contact With Fluid Medium, Nagaraj Ghatadi Suraji
Master's Theses (2009 -)
The characteristics of acoustic waves propagating in thin piezoelectric plates in the presence of a fluid medium contacting one or both of the plate surfaces are investigated. If the velocity of plate wave in the substrate is greater than velocity of bulk wave in the fluid, then a plate acoustic wave (PAW) traveling in the substrate will radiate a bulk acoustic wave (BAW) in the fluid. It is found that, under proper conditions, efficient conversion of energy from plate acoustic waves to bulk acoustic waves and vice versa can be obtained. For example, using the fundamental anti symmetric plate wave …