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Bahavar, Philipp and Wagner, Claus (2016) DNS of convective channel flow withtemperature and concentration gradients. STAB 2016, 08.-09. Nov. 2016, Braunschweig, Deutschland.
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Official URL: https://www.tu-braunschweig.de/stab2016
Abstract
Mixed convection in a differentially heated channel with an additional concentration gradient is investigated via direct numerical simulation (DNS) using a finite volume method based on fourth order accurate central differences in space and an explicit time integration scheme. The fluid is treated as a homogeneous fluid characterized by its temperature and mixing ratio, and the Boussinesq approximation is employed to calculate the influence of the buoyant forces resulting from density differences due to both quantities in preparation of future investigations of humid air flows in various ventilation applications. The simulations at different values for the modified Grashof number show a distinct effect of the mixing ratio on the flow and temperature profiles for values approximating the conditions found in humid air.
| Item URL in elib: | https://elib.dlr.de/107351/ | |||||||||
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| Document Type: | Conference or Workshop Item (Speech) | |||||||||
| Title: | DNS of convective channel flow withtemperature and concentration gradients | |||||||||
| Authors: |
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| Date: | 2016 | |||||||||
| Refereed publication: | Yes | |||||||||
| Open Access: | No | |||||||||
| Gold Open Access: | No | |||||||||
| In SCOPUS: | No | |||||||||
| In ISI Web of Science: | No | |||||||||
| Status: | Published | |||||||||
| Keywords: | Direkte Numerische Simulation, Boussinesq-Approximation, Auftrieb, Kanalströmung, Wasserdampf | |||||||||
| Event Title: | STAB 2016 | |||||||||
| Event Location: | Braunschweig, Deutschland | |||||||||
| Event Type: | national Conference | |||||||||
| Event Dates: | 08.-09. Nov. 2016 | |||||||||
| HGF - Research field: | Aeronautics, Space and Transport | |||||||||
| HGF - Program: | Aeronautics | |||||||||
| HGF - Program Themes: | fixed-wing aircraft | |||||||||
| DLR - Research area: | Aeronautics | |||||||||
| DLR - Program: | L AR - Aircraft Research | |||||||||
| DLR - Research theme (Project): | L - Simulation and Validation (old) | |||||||||
| Location: | Göttingen | |||||||||
| Institutes and Institutions: | Institute of Aerodynamics and Flow Technology > Fluid Systems | |||||||||
| Deposited By: | Bachmann, Barbara | |||||||||
| Deposited On: | 10 Jan 2017 16:13 | |||||||||
| Last Modified: | 10 Jan 2017 16:13 |
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