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Horn, Susanne and Shishkina, Olga and Wagner, Claus (2014) Non-Oberbeck-Boussinesq effects in Rayleigh-Benard convection of liquids. In: Turbulence and Interactions Notes on Numerical Fluid Mechanics and Multidisciplinary Design, 125. Springer Verlag, Berlin Heidelberg. pp. 99-105. doi: 10.1007/978-3-662-43489-5_12. 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_12
Abstract
The influence of temperature-dependent material properties on Rayleigh–Bénard convection is investigated in three different liquids, ranging from a very small Prandtl number for mercury with Pr = 0.0232, over a moderate one for water with Pr = 4.38, to a very large one for glycerol with Pr = 2548. For this purpose, three-dimensional direct numerical simulations were performed in a cylindrical cell with a unity aspect ratio. Local quantities such as the viscous and thermal boundary layer thicknesses, the centre temperature and the wind velocity show a breakdown of the top-bottom symmetry. The intensity of this asymmetry strongly depends on the respective fluid.
| Item URL in elib: | https://elib.dlr.de/89953/ | ||||||||||||||||||||||||||||
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| Document Type: | Contribution to a Collection | ||||||||||||||||||||||||||||
| Additional Information: | DOI: 10.1007/978-3-662-43489-5_12, Online ISBN: 978-3-662-43489-5, Proceedings of the TI 2012 Conference | ||||||||||||||||||||||||||||
| Title: | Non-Oberbeck-Boussinesq effects in Rayleigh-Benard convection of liquids | ||||||||||||||||||||||||||||
| 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_12 | ||||||||||||||||||||||||||||
| Page Range: | pp. 99-105 | ||||||||||||||||||||||||||||
| 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, Thermal Convection | ||||||||||||||||||||||||||||
| 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: | 18 Sep 2014 16:01 | ||||||||||||||||||||||||||||
| Last Modified: | 18 Mar 2024 12:29 |
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