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Validation of the actuator disc and actuator line techniques for yawed rotor flows using the New MEXICO experimental data
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences.
Technical University of Denmark, Energivej, Building 414, 2800 Kgs. Lyngby, Denmark.
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences.
2017 (English)Conference paper, Published paper (Refereed)
Abstract [en]

Experimental data acquired in the New MEXICO experiment on a yawed 4.5m diameter rotor model turbine are used here to validate the actuator line (AL) and actuator disc (AD) models implemented in the Large Eddy Simulation code EllipSys3D in terms of loadingand velocity field. Even without modelling the geometry of the hub and nacelle, the AL and AD models produce similar results that are generally in good agreement with the experimental data under the various configurations considered. As expected, the AL model does better at capturing the induction effects from the individual blade tip vortices, while the AD model can reproduce the averaged features of the flow. The importance of using high quality airfoil data (including 3D corrections) as well as a fine grid resolution is highlighted by the results obtained. Overall, it is found that both models can satisfactorily predict the 3D velocity field and blade loading of the New MEXICO rotor under yawed inflow.

Place, publisher, year, edition, pages
United Kingdom: Institute of Physics (IOP), 2017. article id 012005
Series
Journal of Physics Conference Series ; 854
National Category
Geophysical Engineering
Identifiers
URN: urn:nbn:se:uu:diva-338806DOI: 10.1088/1742-6596/854/1/012005OAI: oai:DiVA.org:uu-338806DiVA, id: diva2:1173688
Conference
Wake Conference 2017
Funder
Swedish Energy Agency
Note

The Swedish Energy Agency is acknowledged for providing research funds for this work. Thiswork was also supported by the Energy Technology Development and Demonstration Program(EUDP2014, J. nr. 64014-0543) under the Danish Energy Agency. The simulations wereperformed on resources provided by the Swedish National Infrastructure for Computing (SNIC)within the project SNIC 2016/10-33.

Available from: 2018-01-12 Created: 2018-01-12 Last updated: 2018-01-18Bibliographically approved

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