Assessment and comparison of a recent kinematic sensitive subgrid length scale in Hybrid RANS-LES

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To access the full text documents, please follow this link: http://hdl.handle.net/2117/174238

dc.contributor	Universitat Politècnica de Catalunya. Doctorat en Enginyeria Tèrmica
dc.contributor	Universitat Politècnica de Catalunya. Departament de Màquines i Motors Tèrmics
dc.contributor	Universitat Politècnica de Catalunya. CTTC - Centre Tecnològic de la Transferència de Calor
dc.contributor.author	Pont Vilchez, Arnau
dc.contributor.author	Trias Miquel, Francesc Xavier
dc.contributor.author	Revell, Alistair
dc.contributor.author	Oliva Llena, Asensio
dc.date	2020
dc.identifier.citation	Pont, A. [et al.]. Assessment and comparison of a recent kinematic sensitive subgrid length scale in Hybrid RANS-LES. A: Symposium on Hybrid RANS-LES Methods. "Progress in Hybrid RANS-LES Modelling : Papers Contributed to the 7th Symposium on Hybrid RANS-LES Methods, 17–19 September, 2018, Berlin, Germany". Springer Nature, 2020, p. 97-105.
dc.identifier.citation	978-3-030-27607-2
dc.identifier.citation	10.1007/978-3-030-27607-2
dc.identifier.uri	http://hdl.handle.net/2117/174238
dc.language.iso	eng
dc.publisher	Springer Nature
dc.relation	https://link-springer-com.recursos.biblioteca.upc.edu/chapter/10.1007/978-3-030-27607-2_7
dc.relation	info:eu-repo/grantAgreement/ES/1PE/ENE2017-88697-R
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Àrees temàtiques de la UPC::Enginyeria mecànica::Mecànica de fluids
dc.subject	Turbulence--Simulation methods
dc.subject	Computational fluid dynamics
dc.subject	Hybrid RANS-LES
dc.subject	Gray Area Mitigation
dc.subject	Subgrid Length Scale
dc.subject	Turbulència -- Mètodes de simulació
dc.subject	Dinàmica de fluids computacional
dc.title	Assessment and comparison of a recent kinematic sensitive subgrid length scale in Hybrid RANS-LES
dc.type	info:eu-repo/semantics/submittedVersion
dc.type	info:eu-repo/semantics/conferenceObject
dc.description.abstract	A recent kinematic sensitive subgrid length scale, Δlsq, initially developed for LES applications, is now considered for DES. Even though it is presented as a subgrid length scale, instead of a grey area mitigation (GAM) technique, this initial study shows how it could also be a good and natural approach for addressing this well-known DES shortcoming. In this paper, the Δlsq has been compared with a well-known kinematic sensitive length scale, Δ~ω. It includes a mesh resilience and a shear layer delay study with a Decaying Homogeneous Isotropic Turbulence configuration and two Backward Facing Step configurations, respectively. Encouraging results have been obtained, indicating Δlsq as a subgrid length scale to be considered.
dc.description.abstract	Peer Reviewed

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