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dc.contributor.author | Broatch, A. | es_ES |
dc.contributor.author | López, J. Javier | es_ES |
dc.contributor.author | Garcia Tiscar, Jorge | es_ES |
dc.contributor.author | Gómez-Soriano, Josep | es_ES |
dc.date.accessioned | 2020-05-21T03:02:41Z | |
dc.date.available | 2020-05-21T03:02:41Z | |
dc.date.issued | 2018-10 | es_ES |
dc.identifier.issn | 0742-4795 | es_ES |
dc.identifier.uri | http://hdl.handle.net/10251/143890 | |
dc.description.abstract | [EN] As noise pollution remains one of the biggest hurdles posed by thermal engines, increasing efforts are made to alleviate the generation of combustion noise from the early design stage of the chamber. Since the complexity of both modern chamber geometries and the combustion process itself precludes robust analytic solutions, and since the resonant, highly 3D pressure field is difficult to be measured experimentally, focus is put on the numerical modelling of the process. However, in order to optimize the resources devoted to this simulation, an informed decision must be made on which formulations are followed. In this work, the experimental cyclic dispersion of the in-cylinder pressure is analyzed in two typical compression-ignited (CI) and spark-ignited (SI) engines. Acoustic signatures and pressure rise rates are derived from this data, showing how while the preponderance of flame front propagation and dependency of previous cycle in SI engine noise usually calls for multi-cycle, more complex turbulence modelling such as Large Eddy Simulation (LES), simpler Unsteady Reynolds-Averaged Navier-Stokes (URANS) formulations can accurately characterize the more consistent pressure spectra of CI thermal engines, which feature sudden autoignition as the main noise source. | es_ES |
dc.description.sponsorship | European Regional Development Fund (Dotacion de infraestructuras cientifico tecnicas para el Centro Integral de Mejora Energetica y Medioambiental de Sistemas de Transporte, CiMeT) (FEDER-ICTS-2012-06). Programa de Apoyo para la Investigacion y Desarrollo (PAID) Universitat Politecnica de Valencia (FPI-S2-2016-1353). | es_ES |
dc.language | Inglés | es_ES |
dc.publisher | ASME International | es_ES |
dc.relation.ispartof | Journal of Engineering for Gas Turbines and Power | es_ES |
dc.rights | Reserva de todos los derechos | es_ES |
dc.subject.classification | INGENIERIA AEROESPACIAL | es_ES |
dc.subject.classification | MAQUINAS Y MOTORES TERMICOS | es_ES |
dc.title | Experimental analysis of cyclical dispersion in compression-ignited versus spark-ignited engines and its significance for combustion noise numerical modeling | es_ES |
dc.type | Artículo | es_ES |
dc.identifier.doi | 10.1115/1.4040287 | es_ES |
dc.relation.projectID | info:eu-repo/grantAgreement/UPV//FPI-S2-2016-1353/ | es_ES |
dc.relation.projectID | info:eu-repo/grantAgreement/MINECO//ICTS-2012-06/ES/Dotación de infraestructuras científico técnicas para el Centro Integral de Mejora Energética y Medioambiental de Sistemas de Transporte (CiMeT)/ | 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 | Broatch, A.; López, JJ.; Garcia Tiscar, J.; Gómez-Soriano, J. (2018). Experimental analysis of cyclical dispersion in compression-ignited versus spark-ignited engines and its significance for combustion noise numerical modeling. Journal of Engineering for Gas Turbines and Power. 140(10):102808-1-102808-8. https://doi.org/10.1115/1.4040287 | es_ES |
dc.description.accrualMethod | S | es_ES |
dc.relation.publisherversion | https://doi.org/10.1115/1.4040287 | es_ES |
dc.description.upvformatpinicio | 102808-1 | es_ES |
dc.description.upvformatpfin | 102808-8 | es_ES |
dc.type.version | info:eu-repo/semantics/publishedVersion | es_ES |
dc.description.volume | 140 | es_ES |
dc.description.issue | 10 | es_ES |
dc.relation.pasarela | S\364563 | es_ES |
dc.contributor.funder | Universitat Politècnica de València | es_ES |
dc.contributor.funder | European Regional Development Fund | es_ES |
dc.contributor.funder | Ministerio de Economía y Competitividad | es_ES |