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dc.contributor.author | Giner Navarro, Juan | es_ES |
dc.contributor.author | Baeza González, Luis Miguel | es_ES |
dc.contributor.author | Vila Tortosa, María Paloma | es_ES |
dc.contributor.author | Alonso Pazos, Asier | es_ES |
dc.date.accessioned | 2020-02-20T21:00:56Z | |
dc.date.available | 2020-02-20T21:00:56Z | |
dc.date.issued | 2017 | es_ES |
dc.identifier.issn | 1023-8883 | es_ES |
dc.identifier.uri | http://hdl.handle.net/10251/137414 | |
dc.description.abstract | [EN] The existence of a wheel rail friction coefficient that depends on the slip velocity has been associated in the literature with important railway problems like the curving squeal and certain corrugation problems in rails. Rolling contact models that take into account this effect were carried out through the so-called Exact Theories adopting an exact elastic model of the solids in contact, and Simplified Theories which assume simplified elastic models such as Winkler. The former ones, based on Kalker s Variational Theory, give rise to numerical problems; the latter ones need to adopt hypotheses that significantly deviate from actual conditions, leading to unrealistic solutions of the contact problem. In this paper, a methodology based on Kalker s Variational Theory is presented, in which a local slip velocity-dependent friction law is considered. A formulation to get steady-state conditions of rolling contact by means of regularisation of the Coulomb s law is proposed. The model allows establishing relationships in order to estimate the global properties (creepage velocities vs. total longitudinal forces) through local properties (local slip velocity vs. coefficient of friction) or vice versa. The proposed model shows a good agreement with experimental tests while solving the numerical problems previously mentioned. | es_ES |
dc.description.sponsorship | The authors acknowledge the financial contribution of the Spanish Ministry of Economy and Competitiveness through the Project TRA2013-45596-C2-1-R. | es_ES |
dc.language | Inglés | es_ES |
dc.publisher | Springer-Verlag | es_ES |
dc.relation.ispartof | Tribology Letters | es_ES |
dc.rights | Reserva de todos los derechos | es_ES |
dc.subject | Rolling contact | es_ES |
dc.subject | Falling friction coefficient | es_ES |
dc.subject | Coulomb's law regularisation | es_ES |
dc.subject.classification | INGENIERIA MECANICA | es_ES |
dc.title | Study of the Falling Friction Effect on Rolling Contact Parameters | es_ES |
dc.type | Artículo | es_ES |
dc.identifier.doi | 10.1007/s11249-016-0810-8 | es_ES |
dc.relation.projectID | info:eu-repo/grantAgreement/MINECO//TRA2013-45596-C2-1-R/ES/DESARROLLO DE NUEVAS TECNOLOGIAS DESTINADAS A REDUCIR EL IMPACTO ACUSTICO DEL TRANSPORTE FERROVIARIO EN ENTORNOS URBANOS/ | es_ES |
dc.rights.accessRights | Abierto | es_ES |
dc.contributor.affiliation | Universitat Politècnica de València. Departamento de Ingeniería Mecánica y de Materiales - Departament d'Enginyeria Mecànica i de Materials | es_ES |
dc.description.bibliographicCitation | Giner Navarro, J.; Baeza González, LM.; Vila Tortosa, MP.; Alonso Pazos, A. (2017). Study of the Falling Friction Effect on Rolling Contact Parameters. Tribology Letters. 65(1). https://doi.org/10.1007/s11249-016-0810-8 | es_ES |
dc.description.accrualMethod | S | es_ES |
dc.relation.publisherversion | https://doi.org/10.1007/s11249-016-0810-8 | es_ES |
dc.type.version | info:eu-repo/semantics/publishedVersion | es_ES |
dc.description.volume | 65 | es_ES |
dc.description.issue | 1 | es_ES |
dc.relation.pasarela | S\323986 | es_ES |
dc.contributor.funder | Ministerio de Economía y Empresa | es_ES |
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