Abstract
The quasi-two-dimensional flow of a liquid metal exposed to a strong spanwise magnetic field around a 180-degree sharp bend is investigated using a high-order spectral-element algorithm. This study identifies the effect of strong spanwise magnetic field strength defined by Hartmann number on flow characteristics such as the length of the downstream recirculation bubbles and the threshold Reynolds numbers between steady-state and unsteady flow regimes for the ratio between the width of the bend and the height of the inlet duct, 0.2 ≤ β ≤ 2. The study reveals that the first recirculation bubble length decreases with increasing Hartmann number. The flow was found to be more stable as observed from the increase of critical Reynolds number for transition from steady to unsteady flow as Hartmann number increases for all β. This study gives useful insight into the generation of instability for improved mixing and heat transport in heat exchanger ducting in MHD systems.
| Original language | English |
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| Title of host publication | Proceedings of 11th International Conference on CFD in the Minerals and Process Industries (2015) |
| Editors | Chris B Solnordal, Petar Liovic, Gary W Delaney, Sharen J Cummins, M Phil Schwarz, Peter J Witt |
| Place of Publication | Melbourne Vic Australia |
| Publisher | CSIRO Publishing |
| Pages | 1 - 6 |
| Number of pages | 6 |
| ISBN (Print) | 9781486306206 |
| Publication status | Published - 2015 |
| Event | International Conference on CFD in the Minerals and Process Industries 2015 - Melbourne Conference and Exhibition Centre, South Wharf, Melbourne, Australia Duration: 7 Dec 2015 → 9 Dec 2015 Conference number: 11th |
Conference
| Conference | International Conference on CFD in the Minerals and Process Industries 2015 |
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| Abbreviated title | CFD 2015 |
| Country | Australia |
| City | Melbourne |
| Period | 7/12/15 → 9/12/15 |