DEVICE FOR ATTENUATING UNDERWATER SOUND PRESSURE AND THE USE OF SUCH A DEVICE

Device (30) for reducing underwater sound energy and propagation, whereby the device (30) comprises at least one bubble generation unit (32) and an air conduit (31) for supplying pressurized air to the bubble generation unit (32), whereby the bubble generation unit (32) comprises an oscillator (1a,...

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Bibliographische Detailangaben
1. Verfasser:	KAPTEIJN, Pieter Karel Anton
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MUSICAL INSTRUMENTS PHYSICS SOIL SHIFTING SOUND-PRODUCING DEVICES UNDERGROUND OR UNDERWATER STRUCTURES
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Beschreibung
Zusammenfassung:	Device (30) for reducing underwater sound energy and propagation, whereby the device (30) comprises at least one bubble generation unit (32) and an air conduit (31) for supplying pressurized air to the bubble generation unit (32), whereby the bubble generation unit (32) comprises an oscillator (1a, 1b, 1c) for generating one or more pulsating air flows from a constant air flow, and whereby preferably the oscillator (1b, 1c) has an adjustable oscillation frequency, and the use of such a device (30) for reducing underwater sound propagation, whereby the air conduit (31) and the bubble generation unit (32) are placed underwater, whereby pressurized air is supplied to the air conduit (31) and whereby air bubbles (40) are generated by the bubble generation unit (32).