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Study of turbulence in atomizing liquid jets

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Study of turbulence in atomizing liquid jets

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dc.contributor.author Torregrosa, A. J. es_ES
dc.contributor.author Payri, Raul es_ES
dc.contributor.author Salvador, Francisco Javier es_ES
dc.contributor.author Crialesi-Esposito, Marco es_ES
dc.date.accessioned 2021-07-16T03:31:25Z
dc.date.available 2021-07-16T03:31:25Z
dc.date.issued 2020-08 es_ES
dc.identifier.issn 0301-9322 es_ES
dc.identifier.uri http://hdl.handle.net/10251/169344
dc.description.abstract [EN] Among the many unknowns in the study of atomizing sprays, defining an unambiguous way to analyze turbulence is, perhaps, one of the most limiting ones. The lack of proper tools for the analysis of the turbulence field (e.g. specific one/two-point statistics, spectrum, structure functions) limits the understanding of the overall phenomenon occurring, impeding the correct estimation of motion scales (from the Kolmogorov one to the integral one). The present work proposes a methodology to analyze the turbulence in atomizing jets using a pseudo-fluid method. The many challenges presented in these types of flows (such as temporal fluid properties uncertainties, strong anisotropy and lack of a priori chance of determining the motion scales) can be simplified by such a method, as it will be clearly shown by the smooth results obtained. Finally, the method is tested against the one-phase flows turbulent data available in the literature for the Kolmogorov scaling of the one-dimension energy spectra, showing how a pseudo-fluid method could provide a reliable tool to analyze multiphase turbulence, especially in spray's primary atomization. es_ES
dc.description.sponsorship This research has been partially funded by Spanish Ministerio de Economia y Competitividad through project RTI2018-099706-B-100, "Estudio de la atomizacion primaria mediante simulaciones DNS y tecnicas opticas de muy alta resolucion". Additionally, the authors thankfully acknowledge the computer resources at MareNostrum 4 (Barcelona Supercomputing Center) and their technical support provided by FI-2017-2-0035 and TITAN (Oak Ridge Leadership Computing Facility) in the frame of the project TUR124. es_ES
dc.language Inglés es_ES
dc.publisher Elsevier es_ES
dc.relation.ispartof International Journal of Multiphase Flow es_ES
dc.rights Reconocimiento - No comercial - Sin obra derivada (by-nc-nd) es_ES
dc.subject Energy spectra es_ES
dc.subject Pseudo-fluid es_ES
dc.subject Turbulence es_ES
dc.subject Primary atomization es_ES
dc.subject Kolmogorov scale es_ES
dc.subject.classification MAQUINAS Y MOTORES TERMICOS es_ES
dc.title Study of turbulence in atomizing liquid jets es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1016/j.ijmultiphaseflow.2020.103328 es_ES
dc.relation.projectID info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/RTI2018-099706-B-I00/ES/ESTUDIO DE LA ATOMIZACION PRIMARIA MEDIANTE SIMULACIONES DNS Y TECNICAS OPTICAS DE MUY ALTA RESOLUCION/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Máquinas y Motores Térmicos - Departament de Màquines i Motors Tèrmics es_ES
dc.description.bibliographicCitation Torregrosa, AJ.; Payri, R.; Salvador, FJ.; Crialesi-Esposito, M. (2020). Study of turbulence in atomizing liquid jets. International Journal of Multiphase Flow. 129:1-12. https://doi.org/10.1016/j.ijmultiphaseflow.2020.103328 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.1016/j.ijmultiphaseflow.2020.103328 es_ES
dc.description.upvformatpinicio 1 es_ES
dc.description.upvformatpfin 12 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 129 es_ES
dc.relation.pasarela S\412730 es_ES
dc.contributor.funder Agencia Estatal de Investigación es_ES
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