Direct Numerical Simulation of the turbulent flow around a NACA 0012 airfoil at different angles of attack

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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	Baez Vidal, Aleix
dc.contributor.author	Lehmkuhl Barba, Oriol
dc.contributor.author	Rodríguez Pérez, Ivette María
dc.contributor.author	Pérez Segarra, Carlos David
dc.date	2011
dc.identifier.citation	Baez, A. [et al.]. Direct Numerical Simulation of the turbulent flow around a NACA 0012 airfoil at different angles of attack. A: International Conference on Parallel Computational Fluid Dynamics. "Parallel CFD 2011". Barcelona: 2011, p. 1-5.
dc.identifier.uri	http://hdl.handle.net/2117/13450
dc.language.iso	eng
dc.relation	http://parcfd2011.bsc.es/accepted-paper-list-book-abstracts
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Àrees temàtiques de la UPC::Enginyeria mecànica::Motors::Motors tèrmics
dc.subject	Computational fluid dynamics
dc.subject	Aerofoils
dc.subject	Turbulence
dc.subject	Parallelisation
dc.subject	Dinàmica de fluids -- Simulació per ordinador
dc.subject	Perfil (fluids)
dc.subject	Turbulències -- Simulació numèrica
dc.title	Direct Numerical Simulation of the turbulent flow around a NACA 0012 airfoil at different angles of attack
dc.type	info:eu-repo/semantics/submittedVersion
dc.type	info:eu-repo/semantics/conferenceObject
dc.description.abstract	Direct numerical simulations (DNS) of the flow dynamics over a NACA 0012 airfoil at Reynolds number Re = 5×104 at different angles of attack are presented. The dynamic of the large separation bubble, characterised by laminar boundary layer separation, transition to turbulence and flow reattachment is analysed in detail by means of instantaneous data al different locations in the suction side of the airfoil. It is found that LSB behaviour is characterised by a low-frequency with a time scale much larger than of the vortex shedding. Thus, in order to capture all the time scales of the flow, statistical results presented have been integrated during a sufficient long time.

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