Document Detail

Some comments on the thermodynamics of sonoluminescence--a personal view.
MedLine Citation:
PMID:  11237049     Owner:  NLM     Status:  PubMed-not-MEDLINE    
The path of the gas in a sonoluminescent bubble must enclose an area in a P-V plot if the gas itself emits photons. Thermodynamic analysis thus delineates the playing field that may enable us to distinguish liquid-phase emissions from gas-phase emissions. The apparent importance of the van der Waals a (which parameterizes mean-square induced dipole attractions) in light intensity supports collision-induced emission as a likely mechanism. The suggested emitting object, containing 10(10) molecules in picosecond-long van der Waals contact, is novel, being neither plasma, gas, liquid nor blackbody. The bubble pursues a unique thermodynamic path.
F MacIntyre
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Ultrasonics sonochemistry     Volume:  4     ISSN:  1350-4177     ISO Abbreviation:  Ultrason Sonochem     Publication Date:  1997 Apr 
Date Detail:
Created Date:  2001-03-09     Completed Date:  2001-04-05     Revised Date:  2003-10-31    
Medline Journal Info:
Nlm Unique ID:  9433356     Medline TA:  Ultrason Sonochem     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  85-93     Citation Subset:  -    
ETI, University of Amsterdam, Netherlands.
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