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Anonymous Poster

Ultrasonic waves underwater

05/07/2007 4:24 AM

can anybody tell me how ultrasonic waves travel/propogate underwater(sea i.e. in salty water)..................

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Guru
Popular Science - Weaponology - New Member

Join Date: Feb 2006
Posts: 962
#1

Re: ultrasonic waves underwater

05/07/2007 9:57 AM

See ref to SONAR in Wikipedia. Sound travels faster in a more dense material.

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Power-User
Popular Science - Weaponology - New Member United States - Member - New Member Engineering Fields - Automotive Engineering - ChemE in a ME world

Join Date: Mar 2007
Location: Detroit, MI USA
Posts: 150
#2

Re: Ultrasonic waves underwater

05/08/2007 12:13 PM

If sound is a probigated compression wave, how does it travel in an incompressible fluid. I'm sure the answer is simple but I seem to have had a brain cramp.

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Associate

Join Date: Mar 2007
Location: Yucaipa California
Posts: 36
#3

Re: Ultrasonic waves underwater

05/08/2007 8:39 PM

dolphin's use ultrasonic waves to knock out there pray. I suspect it would be very localised. Sonar and whales operate at very low freq's to communicate over a vast distance. just a few clues into your question.

I was once told by a prominent inventor: (Anything that man has devised was evidenced by nature first)

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