A dynamic wall model for large eddy simulation on unstructured meshes. Application to wind turbine dedicated airfoils

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To access the full text documents, please follow this link: http://hdl.handle.net/2117/103756

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	Universitat Politècnica de Catalunya. TUAREG - Turbulence and Aerodynamics in Mechanical and Aerospace Engineering Research Group
dc.contributor.author	Calafell Sandiumenge, Joan
dc.contributor.author	Lehmkuhl Barba, Oriol
dc.contributor.author	Rodríguez Pérez, Ivette María
dc.contributor.author	Oliva Llena, Asensio
dc.contributor.author	Pérez Segarra, Carlos David
dc.date	2015
dc.identifier.citation	Calafell, J., Lehmkuhl, O., Rodriguez, I., Oliva, A., Perez, C. A dynamic wall model for large eddy simulation on unstructured meshes. Application to wind turbine dedicated airfoils. A: International Symposium on Turbulence, Heat and Mass Transfer. "Turbulence, Heat and Mass Transfer 8: proceedings of the Eight International Symposium on Turbulence, Heat and Mass Transfer: Sarajevo, Bosnia and Herzegovina, 15-18 September, 2015". Sarajevo: Begell House, 2015, p. 1-12.
dc.identifier.citation	978-1-56700-428-8
dc.identifier.uri	http://hdl.handle.net/2117/103756
dc.language.iso	eng
dc.publisher	Begell House
dc.relation	http://www.thmt-15.org/reservedarea/loginnew.php
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Àrees temàtiques de la UPC::Enginyeria mecànica::Mecànica de fluids
dc.subject	Fluid dynamics--Computer simulation
dc.subject	Aerodynamics--Computer simulation
dc.subject	Dinàmica de fluids -- Simulació numérica
dc.subject	Aerodinàmica -- Simulació per ordinador
dc.title	A dynamic wall model for large eddy simulation on unstructured meshes. Application to wind turbine dedicated airfoils
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/conferenceObject
dc.description.abstract	Large eddy simulations (LES) of wall resolved flows at high Reynolds number are still computation-ally demanding. In the present work, a new Dynamic Wall Model (DWM) for LES is presented. The methodology, implemented on unstructured meshes and formulated in a general form, takes into account non-equilibrium effects. The DWM is validated with a channel flow at Ret = 4200 by comparing with direct numerical simulation (DNS) from literature. Once the model is verified, it is used to simulate the flow around a wind turbine dedicated airfoil (DU-93-W-210) in stall condition at Re = 3 × 106. Numerical results shows that the current DWM strategy is capable of accurately capturing the flow detachment and transition to turbulence.

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