Document Detail


Time of flight measurements for strong shocks emitted from transient cavitation in 300 bar resonator.
MedLine Citation:
PMID:  18189803     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
The behavior of shocks emitted from transient cavitation in acoustic cavitation systems with static pressures up to 300 bar is explored using photomultiplier tubes, hydrophones, Schlieren, and Shadowgraphic methods. Shocks emitted from strong implosions travel initially at supersonic velocities, leading to a shortening of the time of flight (TOF) from implosion site to detector as compared to sound speed motions. A larger difference between expected sonic and actual supersonic translation times is indicative of higher stagnation pressures. Experimental results are indicative of possible stagnation pressures in the Mbar range and place constraints on computer models. [Work supported by SMDC Contract no. W9113M-07-C-0178.].
Authors:
Ross A Tessien; James Schaefer; Robert A Hiller; D Felipe Gaitan; Henry Tardif
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of the Acoustical Society of America     Volume:  122     ISSN:  1520-8524     ISO Abbreviation:  J. Acoust. Soc. Am.     Publication Date:  2007 Nov 
Date Detail:
Created Date:  2008-01-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7503051     Medline TA:  J Acoust Soc Am     Country:  United States    
Other Details:
Languages:  eng     Pagination:  2992     Citation Subset:  IM    
Affiliation:
Impulse Devices Inc., 13366 Grass Valley Ave., Unit H, Grass Valley, CA 95945.
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