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Validation of the actuator line and disc techniques using the New MEXICO measurements
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences.
Tech Univ Denmark, Wind Energy Dept, DK-2800 Lyngby, Denmark.
Tech Univ Denmark, Wind Energy Dept, DK-2800 Lyngby, Denmark.
Tech Univ Denmark, Wind Energy Dept, DK-2800 Lyngby, Denmark.
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2016 (English)In: SCIENCE OF MAKING TORQUE FROM WIND (TORQUE 2016), 2016, article id 032026Conference paper, Published paper (Refereed)
Abstract [en]

Actuator line and disc techniques are employed to analyse the wake obtained in the New MEXICO wind turbine experiment. The New MEXICO measurement campaign done in 2014 is a follow-up to the MEXICO campaign, which was completed in 2006. Three flow configurations in axial flow condition are simulated and both computed loads and velocity fields around the rotor are compared with detailed PIV measurements. The comparisons show that the computed loadings are generally in agreement with the measurements under the rotor's design condition. Both actuator approaches under-predicted the loading in the inboard part of blade in stall condition as only 2D airfoil data were used in the simulations. The predicted wake velocities generally agree well with the PIV measurements. In the experiment, PIV measurements are also provided close to the hub and nacelle. To study the effect of hub and nacelle, numerical simulations are performed both in the presence and absence of the hub geometry. This study shows that the large hub used in the experiment has only small effects on overall wake behaviour.

Place, publisher, year, edition, pages
2016. article id 032026
Series
Journal of Physics Conference Series, ISSN 1742-6588, E-ISSN 1742-6596 ; 753
National Category
Aerospace Engineering Applied Mechanics Fluid Mechanics and Acoustics
Identifiers
URN: urn:nbn:se:uu:diva-400868DOI: 10.1088/1742-6596/753/3/032026ISI: 000436325701003OAI: oai:DiVA.org:uu-400868DiVA, id: diva2:1382605
Conference
Conference on Science of Making Torque from Wind (TORQUE), OCT 05-07, 2016, Munich, GERMANY
Funder
Swedish National Infrastructure for Computing (SNIC), SNIC 2015/10-24Available from: 2020-01-03 Created: 2020-01-03 Last updated: 2020-01-03Bibliographically approved

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Sarmast, SasanBreton, Simon-PhilippeIvanell, Stefan
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