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Numerical simulation of flows over 2D and 3D backward-facing inclined steps
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SYSNO ASEP 0398182 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Numerical simulation of flows over 2D and 3D backward-facing inclined steps Author(s) Louda, Petr (UT-L) RID, ORCID
Příhoda, Jaromír (UT-L) RID, ORCID
Kozel, K. (CZ)
Sváček, P. (CZ)Source Title International Journal of Heat and Fluid Flow. - : Elsevier - ISSN 0142-727X
Roč. 43, October (2013), s. 268-276Number of pages 10 s. Publication form Print - P Language eng - English Country US - United States Keywords backward-facing step ; EARSM turbulence model ; one-sided diffuser Subject RIV BK - Fluid Dynamics R&D Projects GAP101/10/1230 GA ČR - Czech Science Foundation (CSF) GA103/09/0977 GA ČR - Czech Science Foundation (CSF) Institutional support UT-L - RVO:61388998 UT WOS 000328660000027 EID SCOPUS 84885848656 DOI 10.1016/j.ijheatfluidflow.2013.05.023 Annotation The work deals with the numerical solution of incompressible turbulent flow in a channel with a backward-facing step having various inclination angles. Also, the inclination of upper wall is considered. The mathematical model is based on the Reynolds averaged Navier–Stokes equations. The governing equations are closed by the explicit algebraic Reynolds stress (EARSM) model according to Wallin and Johansson or by linear eddy viscosity models. The numerical solution is carried out by the implicit finite-volume method based on the artificial compressibility and by the finite-element method and both approaches are compared. The numerical simulations were tested by experimental data of Makiola and Driver, Seegmiller in large aspect ratio channels where results are obtained by 2D and 3D simulations. Further, PIV experimental data in a narrow channel are used for comparison with 3D simulations. Workplace Institute of Thermomechanics Contact Marie Kajprová, kajprova@it.cas.cz, Tel.: 266 053 154 ; Jana Lahovská, jaja@it.cas.cz, Tel.: 266 053 823 Year of Publishing 2014
Number of the records: 1