Abstract
This study implements leading-edge (LE) tubercles on a benchmark 19A accelerating duct to investigate the impact on the hydrodynamic performance and propeller wake flow development at multiple operating conditions. The study was conducted using Computational Fluid Dynamics (CFD) where the sliding mesh technique was used to describe the propeller rotation and the hydrodynamic flow-field was solved using Improved Delayed Detached Eddy Simulations (IDDES). In summary, it was found that LE tubercles can enhance the thrust of the duct by a maximum of 7.15% and disrupt the coherent vortex structure of the benchmark ducted propeller which will likely influence the noise signature of the propulsor.
| Original language | English |
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| Title of host publication | Proceedings of the 31st International Ocean and Polar Engineering Conference, ISOPE 2021 |
| Place of Publication | Mountain View, CA |
| Publisher | International Society of Offshore and Polar Engineers |
| Pages | 2837-2844 |
| Number of pages | 8 |
| ISBN (Print) | 9781880653821 |
| Publication status | Published - 25 Jun 2021 |
| Event | 31st International Ocean and Polar Engineering Conference, ISOPE 2021 - Virtual, Online Duration: 20 Jun 2021 → 25 Jun 2021 |
Publication series
| Name | Proceedings of the International Offshore and Polar Engineering Conference |
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| ISSN (Print) | 1098-6189 |
| ISSN (Electronic) | 1555-1792 |
Conference
| Conference | 31st International Ocean and Polar Engineering Conference, ISOPE 2021 |
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| City | Virtual, Online |
| Period | 20/06/21 → 25/06/21 |
Funding
Results were obtained using the ARCHIE-WeSt High-Performance Computer (www.archie-west.ac.uk) based at the University of Strathclyde. The funding support from BAE systems plc. is greatly appreciated and acknowledged (Ref: MEIR PhD 16).
Keywords
- leading-edge tubercles
- biomimetics
- ducted propeller
- CFD
- wake dynamics