Corbett, Finley, Jeans, Tiger et Gerber, Andrew.
2025.
« A computational study investigating the influence a co-rotating hub retrofit has on tidal turbine performance ».
In Proceedings of the CSME-CFDSC-CSR 2025 International Congress (Montreal, QC, Canada, May 25-28, 2025)
Coll. « Progress in Canadian Mechanical Engineering », vol. 8.
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Résumé
This paper numerically investigates how a retrofitted hub geometry affects the power extraction of a Horizontal Axis Tidal Turbine (HATT) using Computational Fluid Dynamics (CFD). At the root region of traditional HATTs, the blade transitions from a hydrofoil to a circular cross-section for structural and operational requirements. This leads to a local low lift to drag ratio experienced by the blades. Minimizing this loss is the primary motivation of adding a hub retrofit. While an increase net power extraction was not observed using this preliminary design, the tangential force contribution of the main turbine blade was improved after adding the retrofit by 2.94%. Retrofit-induced hydrodynamic effects responsible for this tangential force increase include: the effect of the hub retrofit tip vortex, the increase in local angle of attack experienced by the primary blade root region, and the increase in horseshoe vortex circulation strength at the root to hub junction. The present work is a precursor to an optimization effort and will be used to establish baseline results and a workflow for future improvements.
| Type de document: | Compte rendu de conférence |
|---|---|
| Éditeurs: | Éditeurs ORCID Hof, Lucas A. NON SPÉCIFIÉ Di Labbio, Giuseppe NON SPÉCIFIÉ Tahan, Antoine NON SPÉCIFIÉ Sanjosé, Marlène NON SPÉCIFIÉ Lalonde, Sébastien NON SPÉCIFIÉ Demarquette, Nicole R. NON SPÉCIFIÉ |
| Date de dépôt: | 18 déc. 2025 15:09 |
| Dernière modification: | 18 déc. 2025 15:09 |
| URI: | https://espace2.etsmtl.ca/id/eprint/32379 |
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