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Kin, Natalia and Deiterding, Ralf and Wagner, Claus (2016) Large Eddy Simulations of Side Flow Past a Generic Model of a High-Speed Train. In: New Results in Numerical and Experimental Fluid Mechanics X Notes on Numerical Fluid Mechanics and Multidisciplinary Design, 132. Springer International Publishing Switzerland 2016. pp. 421-431. doi: 10.1007/978-3-319-2729-5_37. ISBN 978-3-319-27278-8. ISSN 1612-2909.
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Official URL: http://link.springer.com/book/10.1007/978-3-319-27279-5/page/2
Abstract
Computational fluid dynamics (CFD) has been utilized to investigate straight and side flow over a simplified model of the concept high-speed Next Generation Train of the DLR. Large eddy simulation (LES) with a finite volume method for unstructured grids and a lattice Boltzmann method (LBM) were performed to compare the results. The Reynolds number of the flow was Re=2:1x10^5 and the investigated yaw angle was 30°. The flow fields and the aerodynamic forces predicted with these two different methods are compared for the validation case of the flow past a sphere and the flow around the generic train model. Both approaches yield similar force predictions and exhibit different strengths and weaknesses throughout the computational process which are discussed.
| Item URL in elib: | https://elib.dlr.de/99726/ | ||||||||||||||||||
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| Document Type: | Contribution to a Collection | ||||||||||||||||||
| Title: | Large Eddy Simulations of Side Flow Past a Generic Model of a High-Speed Train | ||||||||||||||||||
| Authors: |
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| Date: | January 2016 | ||||||||||||||||||
| Journal or Publication Title: | New Results in Numerical and Experimental Fluid Mechanics X | ||||||||||||||||||
| Refereed publication: | Yes | ||||||||||||||||||
| Open Access: | No | ||||||||||||||||||
| Gold Open Access: | No | ||||||||||||||||||
| In SCOPUS: | No | ||||||||||||||||||
| In ISI Web of Science: | No | ||||||||||||||||||
| Volume: | 132 | ||||||||||||||||||
| DOI: | 10.1007/978-3-319-2729-5_37 | ||||||||||||||||||
| Page Range: | pp. 421-431 | ||||||||||||||||||
| Editors: |
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| Publisher: | Springer International Publishing Switzerland 2016 | ||||||||||||||||||
| Series Name: | Notes on Numerical Fluid Mechanics and Multidisciplinary Design | ||||||||||||||||||
| ISSN: | 1612-2909 | ||||||||||||||||||
| ISBN: | 978-3-319-27278-8 | ||||||||||||||||||
| Status: | Published | ||||||||||||||||||
| Keywords: | Large-Eddy-Simulation, High-Speed Train, Finite-Volumen-Methode, Lattice-Boltzmann-Methode, Seitenwind | ||||||||||||||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||||||||||||||
| HGF - Program: | Transport | ||||||||||||||||||
| HGF - Program Themes: | Terrestrial Vehicles (old) | ||||||||||||||||||
| DLR - Research area: | Transport | ||||||||||||||||||
| DLR - Program: | V BF - Bodengebundene Fahrzeuge | ||||||||||||||||||
| DLR - Research theme (Project): | V - Next Generation Train III (old) | ||||||||||||||||||
| Location: | Göttingen , Stuttgart | ||||||||||||||||||
| Institutes and Institutions: | Institute of Aerodynamics and Flow Technology > Fluid Systems | ||||||||||||||||||
| Deposited By: | Bachmann, Barbara | ||||||||||||||||||
| Deposited On: | 05 Jul 2016 14:57 | ||||||||||||||||||
| Last Modified: | 27 Jan 2021 11:49 |
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