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Title Forced oscillations of pendant drops
Creator/Author DePaoli, D.W. ; Basaran, O.A. ; Scott, T.C. [Oak Ridge National Laboratory, TN (United States)][and others]
Publication Date1995 Apr 01
OSTI IdentifierOSTI ID: 88688
Report Number(s)CONF-931043--
DOE Contract NumberAC05-84OR21400
Other Number(s)SSTEDS; ISSN 0149-6395
Resource TypeJournal Article
Resource RelationSeparation Science and Technology ; VOL. 30 ; ISSUE: 7-9 ; 8. symposium on separation science and technology for energy applications, Gatlinburg, TN (United States), 24-28 Oct 1993 ; PBD: Apr-May 1995
Subject40 CHEMISTRY ; DROPLETS; OSCILLATIONS; ELECTRIC FIELDS; MATHEMATICAL MODELS; NOZZLES; RESONANCE
Description/Abstract The efficiency of droplet/bubble breakup in multiphase contactors can be increased by applying external fields at resonance frequencies of the drops/bubbles. Experimental and theoretical techniques, developed for the study of forced oscillation of pendant drops on nozzles, are used to gain a fundamental understanding of drop response as a function of forcing frequency. Preliminary results of drop oscillations caused by electrical and flow perturbation techniques indicate that the relationship of resonance frequency to drop size for a given fluid system is not affected by the means of excitation. Computational techniques may be used to gain insight into phenomena which are difficult to probe by experiment, such as internal flow fields. The understanding gained by use of these techniques will be indispensable in design and operation of future multiphase contacting devices.
Country of PublicationUnited States
LanguageEnglish
Formatpp. 1189-1202 ; PL:
System Entry Date2001 May 03

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