Lidars for Wind Tunnels an IRPWind Joint Experiment ...
Transcript of Lidars for Wind Tunnels an IRPWind Joint Experiment ...
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Lidars for Wind Tunnels– an IRPWind Joint Experiment Project
L4WT
DTU: Mikael Sjöholm, Andrea Vignaroli, Nikolas Angelou, Morten Busk Nielsen, Jakob Mann, and Torben Mikkelsen
SINTEF: Hans Christian Bolstad, and Karl Otto Merz
NTNU: Lars Roar Sætran, Jan Bartl, and Franz Volker Mühle
VTT: Mikko Tiihonen, and Ville Lehtomäki
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DTU Wind Energy, Technical University of Denmark
The WindScanner,a distributed mobile research infrastructure
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DTU Wind Energy, Technical University of Denmark
The Blade Lidar (Lidic)
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DTU Wind Energy, Technical University of Denmark
The European WindScanner Facility
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DTU Wind Energy, Technical University of Denmark
The WindScanner,a distributed mobile research infrastructure
http://www.windscanner.eu/
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DTU Wind Energy, Technical University of Denmark
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DTU Wind Energy, Technical University of Denmark
Large Windtunnels
van Dooren, MF, Kühn, M, Petrovic, V, Bottasso, CL, Campagnolo, F, Sjöholm, M, Angelou, N, Mikkelsen, TK, Croce, A & Zasso, A, 2016, ”Demonstration of synchronisedscanning Lidar measurements of 2D velocity fields in a boundary-layerwind tunnel”, Journal of Physics: Conference Series (Online), vol753, 072032. DOI: 10.1088/1742-6596/753/7/072032
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DTU Wind Energy, Technical University of Denmark
The double Italian account
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DTU Wind Energy, Technical University of Denmark
Wind Energy Capacity in Cold Climate
http://www.windpowermonthly.com/article/1403504/emerging-cold
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DTU Wind Energy, Technical University of Denmark
Cold Climate Definition
Wind Energy in Cold Climates (CC) refers to sites that may experience frequent icing events, temperatures below the operational limits of standard wind turbines (WT), or both.
https://www.ieawind.org/task_19.html
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DTU Wind Energy, Technical University of Denmark
Atmospheric Icing Phases
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DTU Wind Energy, Technical University of Denmark
Remote Sensing of Icing Conditions
US Patent 2014/0192356: Arrangement and method for icing detection (Esa Peltola, Petteri Antikainen, and Andrea Vignaroli )
Slide extract from: Karlsson et al, Lidar as ice detector, Winterwind 2015
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DTU Wind Energy, Technical University of Denmark
The IRPWind
http://www.irpwind.eu/
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DTU Wind Energy, Technical University of Denmark
IRPWIND Relevant Networks
1. Research Wind Turbines 2. Wind Tunnels 3. Grid Integration
NTNU Boundary-Layer Wind Tunnel Trondheim, Norway
VTTIcing Wind Tunnel (IWT) Espoo, Finland
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Lidars for Wind Tunnels– an IRPWind Joint Experiment Project
L4WTThe aim of L4WT
is to gain and share knowledge
about the possibilities and limitations with lidar instrumentation in wind tunnels
and to foster collaboration
in a prospective Nordic wind tunnel network for
alignment of research activities relevant to
wind conditions in cold climate
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DTU Wind Energy, Technical University of Denmark
NTNU Boundary-Layer Wind Tunnel in Trondheim
Test section: 11 m long 2 x 3 m cross section 30 m/s max velocity
http://www.ntnu.edu/ept/laboratories/aerodynamic.
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DTU Wind Energy, Technical University of Denmark
Short-range WindScanners
http://www.ntnutechzone.no/2016/12/siste-skrik-i-visualisering-av-vind/
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DTU Wind Energy, Technical University of Denmark
Blog dissemination
http://www.ntnutechzone.no/2016/12/siste-skrik-i-visualisering-av-vind/
http://blog.sintefenergy.com/vindkraft/spennende-malinger-i-vindtunnel-laben-til-ntnu/
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DTU Wind Energy, Technical University of Denmark
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DTU Wind Energy, Technical University of Denmark
Blind Test Comparison With LidarOutside the Tunnel
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DTU Wind Energy, Technical University of Denmark
Blind Test Comparison With Lidar ScannerOutside the Tunnel
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DTU Wind Energy, Technical University of Denmark
Blind Test Comparison With Lidar LidicInside the Tunnel
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DTU Wind Energy, Technical University of Denmark
Blind Test Comparison With LidicInside the Tunnel
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DTU Wind Energy, Technical University of Denmark
Doppler Spectra in The Wake
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DTU Wind Energy, Technical University of Denmark
VTT Icing Wind Tunnel in Trondheim
http://www.vttresearch.com..
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DTU Wind Energy, Technical University of Denmark
Measurement Campaign in VTT Icing Wind Tunnel
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DTU Wind Energy, Technical University of Denmark
Protective measures in the Icing Wind Tunnel
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DTU Wind Energy, Technical University of Denmark
The sampling volume at 1.5 meter
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DTU Wind Energy, Technical University of Denmark
Lidar high frequency time series along the wind
0.034 g/m3, 10 m/s, 20 μm, -5C
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DTU Wind Energy, Technical University of Denmark
Lidar signal strength distributions
0.034 g/m3 0.18 g/m3
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DTU Wind Energy, Technical University of Denmark
This very morning at the ECN test site in The Netherlands in another IPRWind Joint Experiment called ScanFlow