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Temperature dependency of single-bubble sonoluminescence in sulfuric acid.
MedLine Citation:
PMID:  22181255     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Using a hydrochemical simulation, temperature dependency of single-bubble sonoluminescence (SL) in a concentrated solution of sulfuric acid has theoretically been studied. With calculating the phase diagrams of an SL bubble in the solution of 85% acid, maximum acquirable SL emissions at different ambient temperatures were calculated. The results show that the SL emission in sulfuric acid increases with increment in the ambient temperature. This temperature dependency is in opposition to that observed in experiments for SL in water. The difference originates from different instability mechanisms determining the ultimate phase parameters of SL in water and sulfuric acid. In water, due to the smallness of viscosity, the ultimate phase parameters are determined by the shape instability. However, in sulfuric acid the phase parameters are restricted by positional instability due to the largeness of the liquid viscosity.
Authors:
A Moshaii; S Tajik-Nezhad; M Faraji
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-10-3
Journal Detail:
Title:  Physical review. E, Statistical, nonlinear, and soft matter physics     Volume:  84     ISSN:  1550-2376     ISO Abbreviation:  -     Publication Date:  2011 Oct 
Date Detail:
Created Date:  2011-12-20     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101136452     Medline TA:  Phys Rev E Stat Nonlin Soft Matter Phys     Country:  -    
Other Details:
Languages:  ENG     Pagination:  046301     Citation Subset:  -    
Affiliation:
Department of Physics, Tarbiat Modares University, P.O. Box 14115-175, Tehran, Iran.
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