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Feldmann, Daniel and Wagner, Claus (2014) Numerical study on the decay and amplification of turbulence in oscillatory pipe flow. In: Turbulence and Interactions Notes on Numerical Fluid Mechanics and Multidisciplinary Design, 125. Springer Verlag, Berlin Heidelberg. pp. 75-81. doi: 10.1007/978-3-662-43489-5_9. ISBN 978-3-662-43488-8. ISSN 1612-2909.
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Official URL: http://link.springer.com/chapter/10.1007/978-3-662-43489-5_9
Abstract
Results of three-dimensional direct numerical simulations of oscillatory pipe flows at two high dimensionless frequencies Wo ∈ {13,26} are discussed. Starting from a fully-developed turbulent velocity field, the flow either relaminarise or reach a conditionally or fully turbulent state, depending on Re and Wo. Analysing the temporal evolution of several phase-averaged quantities, reveals different behaviour of the wall shear stress and the RMS velocity profiles, while the integral bulk flow only reflects minor differences. Utilising two different initial conditions do not significantly influence the developing oscillatory bulk flow.
| Item URL in elib: | https://elib.dlr.de/90684/ | ||||||||||||||||||||||||||||
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| Document Type: | Contribution to a Collection | ||||||||||||||||||||||||||||
| Additional Information: | DOI: 10.1007/978-3-662-43489-5_9, Online ISBN: 978-3-662-43489-5, Proceedings of the TI 2012 Conference | ||||||||||||||||||||||||||||
| Title: | Numerical study on the decay and amplification of turbulence in oscillatory pipe flow | ||||||||||||||||||||||||||||
| Authors: |
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| Date: | 2014 | ||||||||||||||||||||||||||||
| Journal or Publication Title: | Turbulence and Interactions | ||||||||||||||||||||||||||||
| Refereed publication: | Yes | ||||||||||||||||||||||||||||
| Open Access: | No | ||||||||||||||||||||||||||||
| Gold Open Access: | No | ||||||||||||||||||||||||||||
| In SCOPUS: | No | ||||||||||||||||||||||||||||
| In ISI Web of Science: | No | ||||||||||||||||||||||||||||
| Volume: | 125 | ||||||||||||||||||||||||||||
| DOI: | 10.1007/978-3-662-43489-5_9 | ||||||||||||||||||||||||||||
| Page Range: | pp. 75-81 | ||||||||||||||||||||||||||||
| Editors: |
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| Publisher: | Springer Verlag, Berlin Heidelberg | ||||||||||||||||||||||||||||
| Series Name: | Notes on Numerical Fluid Mechanics and Multidisciplinary Design | ||||||||||||||||||||||||||||
| ISSN: | 1612-2909 | ||||||||||||||||||||||||||||
| ISBN: | 978-3-662-43488-8 | ||||||||||||||||||||||||||||
| Status: | Published | ||||||||||||||||||||||||||||
| Keywords: | Direct Numerical Simulation, Turbulence, Oscillatory Pipe Flow | ||||||||||||||||||||||||||||
| 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 | ||||||||||||||||||||||||||||
| Institutes and Institutions: | Institute of Aerodynamics and Flow Technology > Fluid Systems | ||||||||||||||||||||||||||||
| Deposited By: | Micknaus, Ilka | ||||||||||||||||||||||||||||
| Deposited On: | 07 Oct 2014 09:50 | ||||||||||||||||||||||||||||
| Last Modified: | 18 Mar 2024 12:30 |
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