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Detached-Eddy Simulations Applied to Unsteady Crosswind Aerodynamics of Ground Vehicles
KTH, Skolan för teknikvetenskap (SCI), Centra, VinnExcellence Center for ECO2 Vehicle design.
KTH, Skolan för teknikvetenskap (SCI), Farkost och flyg, Spårfordon.
KTH, Skolan för teknikvetenskap (SCI), Farkost och flyg, Aeroakustik.ORCID-id: 0000-0002-9061-4174
2010 (engelsk)Inngår i: PROGRESS IN HYBRID RANS-LES MODELLING, Berlin: SPRINGER-VERLAG , 2010, Vol. 111, s. 167-177Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Crosswind stability is an important safety issue for manufacturers of cars, buses and rail vehicles. Since side wind conditions are unsteady phenomena they require time-dependent techniques to simulate the flow. In this study, a hybrid RANS-LES methods, Detached-Eddy Simulation, is applied to evaluate headwind and unsteady crosswind situations for a simple model of car. A grid refinement study is carried out to evaluate the accuracy of the calculations. Convergence in the force coefficients while refining the grid suggests that a certain level of grid convergence is reached. A similar conclusion is drawn from the unsteady simulations.

sted, utgiver, år, opplag, sider
Berlin: SPRINGER-VERLAG , 2010. Vol. 111, s. 167-177
Serie
Notes on Numerical Fluid Mechanics and Multidisciplinary Design, ISSN 1612-2909 ; 111
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-33981ISI: 000290183600014Scopus ID: 2-s2.0-77957269173ISBN: 978-3-642-14167-6 (tryckt)OAI: oai:DiVA.org:kth-33981DiVA, id: diva2:419850
Konferanse
3rd Symposium on Hybrid RANS-LES Methods Gdansk, POLAND, JUN 10-12, 2009
Merknad
QC 20110530Tilgjengelig fra: 2011-05-30 Laget: 2011-05-23 Sist oppdatert: 2012-03-20bibliografisk kontrollert

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