9.24 hydrodynamic oscillator. Transducer for generating sound waves in fluids, in which a continuous flow through an orifice is modulated by a reciprocating valve system controlled by acoustic...
9.23 pressure gain factor. Of a focusing transducer, ratio of peak pressure amplitude at the focus to the peak pressure amplitude at the radiating...
9.22 sonic applicator, medical. Self-contained electromechanical transducer designed for local application of sound for therapeutic...
9.22 sonic applicator, medical. Self-contained electromechanical transducer designed for local application of sound for therapeutic...
9.21 Schlieren method. Technique by which light refracted by the density variations resulting from sound waves is used to produce a visible image of the sound...
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