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Validation of the actuator line and disc techniques using the New Mexico measurements
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2016 (English)In: Journal of Physics, Conference Series, ISSN 1742-6588, E-ISSN 1742-6596, Vol. 753, no 3, article id 032026Article in journal (Refereed) Published
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
Institute of Physics (IOP), 2016. Vol. 753, no 3, article id 032026
Keywords [en]
Actuators, Torque, Velocity, Velocity measurement, Wakes, Wind power, Wind turbines, 2D airfoils, Design condition, Flow condition, Flow configurations, Measurement campaign, PIV measurements, Velocity field, Wake velocity, Actuator disks
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-201778DOI: 10.1088/1742-6596/753/3/032026Scopus ID: 2-s2.0-84995426899OAI: oai:DiVA.org:kth-201778DiVA, id: diva2:1075757
Conference
5 October 2016 through 7 October 2016
Note

QC 20170221

Available from: 2017-02-21 Created: 2017-02-21 Last updated: 2017-11-29Bibliographically approved

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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
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  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
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Output format
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  • asciidoc
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