Water hammer driven cavitation chamber

Details Water hammer driven cavitation chamber Water hammer driven cavitation chamber

1994-10-03

1996-05-21

Eldred, J. Woodrow

Communications, electrical: acoustic wave systems and devices

Signal transducers

Underwater type

422 20, 422128, 588227, 210188, 95260, 96175, 55227, H04R 2300

Patent

active

055196705

ABSTRACT:
A cavitation chamber is driven by a hydraulic driving system in which acoustic pulses are generated by repeated water hammers. In the driving system a liquid is pumped through a conduit. The flow of liquid through the conduit is periodically interrupted by a valve. A water hammer is created each time the valve closes. Acoustic pulses produced by the water hammer propagate directly into a cavitation chamber where they are reflected back and forth by acoustically reflective plates. The cavitation chamber may be applied to degas liquids, mix chemicals or slurries, or promote sono-chemical reactions. The design generates acoustic pulses efficiently. The acoustic pulses are coupled to the cavitation chamber with minimal losses. The apparatus is rugged and inexpensive when compared to systems which incorporate electromechanical transducers.

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