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Radial turbine sound and noise characterisation with acoustic transfer matrices by means of fast one-dimensional models

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Radial turbine sound and noise characterisation with acoustic transfer matrices by means of fast one-dimensional models

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dc.contributor.author Torregrosa, A. J. es_ES
dc.contributor.author García-Cuevas González, Luis Miguel es_ES
dc.contributor.author Inhestern, Lukas Benjamin es_ES
dc.contributor.author Soler-Blanco, Pablo es_ES
dc.date.accessioned 2021-03-05T04:33:14Z
dc.date.available 2021-03-05T04:33:14Z
dc.date.issued 2021-04-01 es_ES
dc.identifier.issn 1468-0874 es_ES
dc.identifier.uri http://hdl.handle.net/10251/163203
dc.description This is the author's version of a work that was accepted for publication in International Journal of Engine Research. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published as https://doi.org/10.1177/1468087419889429. es_ES
dc.description.abstract [EN] Estimating correctly the turbine acoustics can be valuable during the engine design stage; in fact, it can lead to a more optimised design of the silencer and aftertreatment, as well as to better prediction of the scavenging effects. However, obtaining the sound and noise emissions of radial turbocharger turbines with low computational costs can be challenging. To consider these effects in a time-efficient manner, the acoustic response of single-entry radial turbines can be characterised by means of acoustic transfer matrices that change with the operating conditions. Exploiting the different time-scales of the acoustic phenomena and the change in the operating point of the turbine, lookup tables of acoustic transfer matrices can be computed. Then, the obtained characterisation can be used in mean-value engine models. This article presents a method for generating these lookup tables by means of fast one-dimensional simulations of thoroughly validated fidelity, in terms of both acoustics and extrapolation capabilities. Due to the inherent behaviour of radial turbines, the number of computations needed to fill the lookup tables is relatively small, so the method can be used as a simple preprocessing phase before mean-value simulation campaigns. es_ES
dc.language Inglés es_ES
dc.publisher SAGE Publications es_ES
dc.relation.ispartof International Journal of Engine Research es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Turbocharger es_ES
dc.subject Acoustic transfer matrix es_ES
dc.subject One-dimensional model es_ES
dc.subject Radial turbine es_ES
dc.subject Noise es_ES
dc.subject Transient flow es_ES
dc.subject.classification INGENIERIA AEROESPACIAL es_ES
dc.subject.classification MAQUINAS Y MOTORES TERMICOS es_ES
dc.title Radial turbine sound and noise characterisation with acoustic transfer matrices by means of fast one-dimensional models es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1177/1468087419889429 es_ES
dc.relation.projectID info:eu-repo/grantAgreement/UPV//FPI-2017-S2-1428/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/UPV//PAID-06-18/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/UPV//SP20180314/ 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.; García-Cuevas González, LM.; Inhestern, LB.; Soler-Blanco, P. (2021). Radial turbine sound and noise characterisation with acoustic transfer matrices by means of fast one-dimensional models. International Journal of Engine Research. 22(4):1312-1328. https://doi.org/10.1177/1468087419889429 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.1177/1468087419889429 es_ES
dc.description.upvformatpinicio 1312 es_ES
dc.description.upvformatpfin 1328 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 22 es_ES
dc.description.issue 4 es_ES
dc.relation.pasarela S\398278 es_ES
dc.contributor.funder Universitat Politècnica de València es_ES
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dc.subject.ods 07.- Asegurar el acceso a energías asequibles, fiables, sostenibles y modernas para todos es_ES


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