WindScanner Research Infrastructure to measure 3D wind with scanning Lidars
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1 WindScanner Research Infrastructure to measure 3D wind with scanning Lidars Poul Hummelshøj Head of Section Test & Measurements With contributions from a lot of my colleges in the Department!
2 Ground-based Remote Sensing Wind Sensors 2003 => today: SODARS (2003) CW LIDARS (2006-) Pulsed LIDARS (2007-) Pulsed LIDARS (2007-) 2
3 2007: New technologies using Remote Sensing Høvsøre 116 m Meteorology mast ZephIR LIDAR
4
5 DANAK Accreditation: Calibration of ground-based Lidar instruments From Jan. 2012
6 Wind turbine tests Accredited by DANAK to perform: 1. Power Curve measurement in accordance with the Danish and international standards and recommendations send by Energy agency, IEC, Measnet and ECN. 2. Determination of mechanical properties: o measurement of yaw effectiveness for wind turbine in operation o determination of own frequency for wind turbine at standstill o determination of structural loads for wind turbine in operation 3. Measurement of wind resources 4. Measurement of wind speeds 5. Correction of wind speed measured with nacelle anemometer to free wind speed 6. Calibration of ground based LIDAR s (2012) 7. Calibration of nacelle based Lidar (2015) 6 6 October 2015
7 WindScanner.dk (2007 -> ) A new Remote Sensing based Research Infrastructure Facility Short-Range WindScanner (3 ps) 3D Wind and Turbulence Range m Long-Range WindScanner (3 ps) 3D Wind Vector Scanning Range km 400 Measurements s -1 Risø Campus Frederiksborgvej 399, P.O. Box 49, Build. 118 DK-4000 Roskilde, Denmark
8 Rapid 2D scanning of the flow behind a building 9 WindScanner.dk
9 WindScanner Wind Break Ex. DTU Risø Campus, March
10 First Wind Break Lee-zone Measurements 2 hours - Centre Line: 11
11 Scanning of the flow above a steep 12-m high escarpment at the small isolated Bolund peninsula in the Roskilde fjord 12
12 WindScanner Wind Sensing WindEEE (CAN) Nov.2014: 13
13 WindScanner WindEEE UWO: Prinse Edwards Island, Canada May
14 V27 Inflow Measurement Experiment Spring 2014 DTU Wind Energy Short Range WindScanners based on ZephIR continuous-wave lidars with programmable prism and focus motors Focus distance: 10 m 200 m Can measure any point within 60 of center direction Velocity measurements at 100 Hz 16
15 V27 Hub-height: (10-min av.) 3D WindScanner xy-plane Inflow Freestream estimate U 8.7 m/s Freestream estimate V 0.0 m/s Horiz. flow angle /6/ Freestream estimate W 0.17 m/s Vert. flow angle 1.09
16 3D Wake Scanning behind VAWT NenuPhar, Fos-sur-Mer, Southern France Jan-Feb
17 NenuPhar Horizontal Plane Wake Flow Hub height [27 m]: Nenuphar Stopped Nenuphar Running 19
18 Two syncronized Short-Range WindScanners nstalled on the Lysefjordbrua Bridge, Stavanger, Norway
19 Top view of setup using two Short-range Lysefjordbrua, May 2014 [University of Stavanger; Reykjavik University; DTU Wind Energy; Christian Michelsen Research Norway; Geophysics Institute, University of Bergen] 21
20 Norwegian offshore rescue helicopter (Sea King 20 ton)
21 Vertical Scan (10 minute average): R2D1 and R2D2 vertical scans Combined to final 2D vertical plot: 23
22 24
23 Design concepts for HTF Spinner Lidar : ControlZephIR Lidar equipped with 2D Scan Head New Design 2011 Lidar in Spinner Tjæreborg Prototype test D Upwind scanning concept
24 NEW this year: HTF Wind Lidar Integration at Tjæreborg July 2012: 26
25 Inflow without wake influence 27
26 Inflow with wake influence 28
27 Long-Range WindScanners (pulsed) On and offshore Resource Assessment, Wind Conditions, Wakes 30
28 Wakes and. Jets 34 It s a paper! Mark Kelly
29 Perdigao A steep double ridge in Portugal
30 RUNE Near Shore Wind Ressource Oct
31 WindScanner.eu Kassel Campaign 2014: Lidars VS Sonic at 188m (sonic u,v,w projected on each lidar line of sight)
32 Lidar at North position (NN): Azimuth: 181,27 Elevation: 8,17 Distance: 2064m
33 WindScanner.eu Kassel Campaign 2014: Lidars VS Sonic at 188m (sonic u,v,w projected on each lidar line of sight)
34 Technology and Experiments 2015: Wind component Ground based Turbine mounted + others 3 D Applications 2 D Leosphere Source DTU 1 D Long-range Short-range Technology Leosphere Source Sgurr Source DTU WLS 200/400 S DTU long-range WindScanner DTU short-range WindScanner DTU short-range Scanner DTU SpinnerLidar DTU Lidics
WindScanner.dk. - a new Remote Sensing based. Measurement Infrastructure for On- and Offshore Wind Energy Research.
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