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Radially symmetric "Breathing" resonance of a sealed water filled tube 
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#1
Jul1514, 04:01 AM

P: 125

Please could someone explain to me what is meant by the radially symmetric "breathing resonance" of a sealed water filled tube or cell?
That is with the use of transducers this can be achieved, but what does it mean? is it talking about generating a standing wave in the fluid? It relates to sonoluminence where a bubble may be suspended, although it stays where it is due to Bernoulli pressure, does this relate? thanks for any input on this. edit and if a graph says "during a single cycle of a sound field" what could that possibly mean? could it be referring to changing the frequency through a cycle? (first graph on page 1 here... http://www.physics.ucla.edu/Sonoluminescence/sono2.pdf) 


#2
Jul1614, 04:17 AM

P: 125

just to update, yes it simply means the standing wave in a fluid.
also the graph is over time as the bubble radius is time dependent! the frequency stays the same! edit also the bubble does not stay where it is because of Bernoulli pressure, it is this pressure that can cause cavitation, the bubble seems to sit on the standing wave antinode due to pressure or "acoustically levitated" 


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