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Reference: Wimshurst, A and Willden, R, (2016). Validation of an actuator line method for tidal turbine rotors.Citable link to this page:


Validation of an actuator line method for tidal turbine rotors

Abstract: Computations of the blade loading and the local flow field around the Model Rotor Experiments In Controlled Conditions (MEXICO) rotor are presented using an actuator line method, implemented within the open source code OpenFOAM. The nacelle and near wake mesh refinement are shown to have little influence on the computed blade loads but a significant impact on the near wake flow field. In addition, the blade loads and near wake flow field calculated with 3 different distributions of the Gaussian smearing parameter ∈ are compared with experimental measurements. Local chord and lift coefficient scaled smearing distributions are shown to yield a significant improvement in the representation of the computed tip vortices and also a small improvement in the blade loading prediction, when compared with a spanwise constant smearing distribution. Despite these improvements in performance prediction, the performance of the rotor is shown to be more strongly influenced by the tip correction factor, where considerable improvement is still required before actuator line methods can represent real rotors with sufficient accuracy.

Publication status:PublishedPeer Review status:Peer reviewedVersion:Accepted manuscriptDate of acceptance:2016-03-19 Funder: Uniper   Funder: Engineering and Physical Sciences Research Council   Funder: Fifth Research Programme   Notes:© 2016 by the International Society of Offshore and Polar Engineers (ISOPE)

Bibliographic Details

Publisher: International Society of Offshore and Polar Engineers

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Host: Proceedings of the Twenty-sixth (2016) International Ocean and Polar Engineering Conferencesee more from them

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Issue Date: 2016-07Identifiers

Uuid: uuid:4f4f231d-7ac6-4a0e-b88c-6bc7693fea8f

Urn: uri:4f4f231d-7ac6-4a0e-b88c-6bc7693fea8f

Pubs-id: pubs:648610 Item Description

Type: conference-proceeding;

Version: Accepted manuscriptKeywords: Actuator Line Method MEXICO OpenFOAM Rotor Aerodynamics Blade Loading Tip Vortices


Autor: Wimshurst, A - Oxford, MPLS, Engineering Science - - - Willden, R - Oxford, MPLS, Engineering Science - - - - Bibliographic Detai



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