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Validation of the actuator line and disc techniques using the New Mexico measurements
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- Sarmast, Sasan (author)
- Uppsala universitet,Institutionen för geovetenskaper
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- Shen, W. Z. (author)
- Tech Univ Denmark, Wind Energy Dept, DK-2800 Lyngby, Denmark
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- Zhu, W. J. (author)
- Tech Univ Denmark, Wind Energy Dept, DK-2800 Lyngby, Denmark
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- (creator_code:org_t)
- 2016-10-01
- 2016
- English.
- In: Journal of Physics, Conference Series. - : Institute of Physics (IOP). - 1742-6588 .- 1742-6596. ; 753:3
- Journal article (peer-reviewed)
Abstract
Subject headings
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- 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.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Rymd- och flygteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Aerospace Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Teknisk mekanik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Applied Mechanics (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Strömningsmekanik och akustik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Fluid Mechanics and Acoustics (hsv//eng)
Keyword
- 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
Publication and Content Type
- ref (subject category)
- art (subject category)
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