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Experimental study on inter-particle acoustic forces
dc.contributor.author | Garcia Sabaté, Anna |
dc.contributor.author | González Cinca, Ricardo |
dc.contributor.author | Hoyos, Mauricio |
dc.contributor.author | Castro, Angelica |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament de Física Aplicada |
dc.date.accessioned | 2014-03-18T12:26:31Z |
dc.date.created | 2014-03 |
dc.date.issued | 2014-03 |
dc.identifier.citation | Garcia-Sabaté, A. [et al.]. Experimental study on inter-particle acoustic forces. "Journal of the Acoustical Society of America", Març 2014, vol. 135, núm. 3, p. 1056-1063. |
dc.identifier.issn | 0001-4966 |
dc.identifier.uri | http://hdl.handle.net/2117/22246 |
dc.description.abstract | A method for the experimental measurement of inter-particle forces (secondary Bjerknes force) generated by the action of an acoustic field in a resonator micro-channel is presented. The acoustic radiation force created by an ultrasonic standing wave moves suspended particles towards the pressure nodes and the acoustic pressure induces particle volume oscillations. Once particles are in the levitation plane, transverse and secondary Bjerknes forces become important. Experiments were carried out in a resonator filled with a suspension composed of water and latex particles of different size (5–15 lm) at different concentrations. Ultrasound was generated by means of a 2.5 MHz nominal frequency transducer. For the first time the acoustic force generated by oscillating particles acting on other particles has been measured, and the critical interaction distance in various cases has been determined. Inter-particle forces on the order of 10 14 N have been measured by using this method |
dc.format.extent | 8 p. |
dc.language.iso | eng |
dc.publisher | Acoustical Society of America |
dc.subject | Àrees temàtiques de la UPC::Física |
dc.subject.lcsh | Elastic solids--Acoustic properties |
dc.subject.lcsh | Elastic solids |
dc.title | Experimental study on inter-particle acoustic forces |
dc.type | Article |
dc.subject.lemac | Fluxos |
dc.contributor.group | Universitat Politècnica de Catalunya. NOLIN - Física No-Lineal i Sistemes Fora de l'Equilibri |
dc.identifier.doi | 10.1121/1.4864483 |
dc.relation.publisherversion | http://scitation.aip.org/content/asa/journal/jasa/135/3/10.1121/1.4864483 |
dc.rights.access | Restricted access - publisher's policy |
local.identifier.drac | 13395770 |
dc.description.version | Postprint (published version) |
dc.date.lift | 10000-01-01 |
local.citation.author | Garcia-Sabaté, A.; Gonzalez, R.; Hoyos, M.; Castro, A. |
local.citation.publicationName | Journal of the Acoustical Society of America |
local.citation.volume | 135 |
local.citation.number | 3 |
local.citation.startingPage | 1056 |
local.citation.endingPage | 1063 |
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