NORCOWE met-ocean measurement campaigns
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1 NORCOWE met-ocean measurement campaigns Kumer V.-M., Reuder J., Furevik B.,, Båserud L., Svardal B., Sæter C., Flügge M., Bakhoday Paskyabi M., Eecen P. University of Bergen, Norway, CMR, Norway, Meteorological Institute, Norway ECN, Netherlands Slide / ESWJ 05
2 ??? Slide / ESWJ 05
3 Slide / ESWJ 05
4 LiMECS LIdar MEasurement Campaign Sola ( ) Goal: investigations in costal boundary layer flows Campaign setup: wind measurements at the airport and next to an autosonde Instrumentation: Windcube v & Windcube 00S Slide / ESWJ 05
5 LiMECS E W Slide 5 / ESWJ 05
6 LiMECS Data availability: in general good but dependent on weather condition height [ masl ] raso wls00s wls67 wls Apr May Jun Jul Aug Slide 6 / ESWJ 05
7 LiMECS raso wls00s wls67 wls65 Data availability: in general good but dependent on height [ masl ] Apr May Jun Jul Aug weather condition Data quality: correlation coefficient between raso and WLS00S R > 9.5 Slide 7 / ESWJ 05
8 LiMECS Freq. events of flow reversal 0:5 UTC Slide 8 / ESWJ 05
9 LiMECS 0:5 UTC :5 UTC 00 UTC Slide 9 / ESWJ 05
10 LiMECS LIdar MEasurement Campaign Sola ( ) Goal: investigations in costal boundary layer flows Campaign setup: wind measurements at the airport and next to an autosonde Instrumentation: Windcube v & Windcube 00S Main results: WLS00S and Radiosonde measurements correlate well (R > 9.5). Frequent flow separations between 50 and 500 m. Slide 0 / ESWJ 05
11 LiMECS LIdar MEasurement Campaign Sola ( ) Goal: investigations in costal boundary layer flows Campaign setup: wind measurements at the airport and next to an autosonde Instrumentation: Windcube v & Windcube 00S Publication: Kumer et al. 0, A comparison of LiDAR and radiosonde wind measurements, Energy Procedia Slide / ESWJ 05
12 Slide / ESWJ 05
13 WINTWEX-W WINd Turbine Wake EXperiment Wieringermeer ( ) Goal: single wind turbine wake characteristics Campaign setup: wind measurements up and downstream of a.5 MW Nordex wind turbine Instrumentation: Windcube v, Windcube 00S, Windcube v, Zephir, WindIris & SUMO Slide / ESWJ 05
14 WINTWEX-W o x 5 Nordex research turbines 80 m hub & rotor diameter (D) 6 upstream met masts Wls67 upstream at.5d Wls7 downstr. at.75d Wls65 downstr. at.d Wls00s downstr. at.d Slide / ESWJ 05
15 WINTWEX-W Data availability: in general good, gaps due to farming and repositioning wls00s wls65 wls7 wls67 sonic Nov Dec Jan Feb Mar Apr May Jun Slide 5 / ESWJ 05
16 WINTWEX-W wls00s wls65 Data availability: in general good, gaps due to farming and repositioning 0 5 wls7 wls67 sonic Nov Dec Jan Feb Mar Apr May Jun 08 m wind speed y =0.98x+0. R =0.9 Data quality: correlation coefficient between sonic and WLS7-67 R > 9.7 Lidar: Mean wind speed [m/s] y =0.97x+0.8 R = Bin. data (N=607) OLS Bin. data sector (N=8) OLS sector : Met.mast: Mean wind speed [m/s] Slide 6 / ESWJ 05
17 WINTWEX-W 0 sec vr 0 min TI 0 min vr day TI Slide 7 / ESWJ 05
18 WINTWEX-W Small Unmanned Meteorological Observer (SUMO) Wingspan 0.8 m Flight duration < 0 min Max height < km Slide 8 / ESWJ 05
19 WINTWEX-W Slide 9 / ESWJ 05
20 WINTWEX-W Slide 0 / ESWJ 05
21 WINTWEX-W Wake characteristics and power performance dependent on atmospheric stability Slide / ESWJ 05
22 WINTWEX-W Future work: spectral analysis of wake peak frequencies Surge Heave & Pitch of floater Surge Heave & Pitch of floater Slide / ESWJ 05
23 WINTWEX-W WINd Turbine Wake EXperiment Wieringermeer ( ) Goal: single wind turbine wake characteristics Campaign setup: wind measurements up and downstream of a.5 MW Nordex wind turbine Instrumentation: Windcube v, Windcube 00S, Windcube v, Zephir, WindIris & SUMO Main results: TI is highest on wake flanks and averages to a conical area of increased TI over time. Wakes are strongest in stable conditions, leading to a lower power output. Slide / ESWJ 05
24 WINTWEX-W WINd Turbine Wake EXperiment Wieringermeer ( ) Goal: single wind turbine wake characteristics Campaign setup: wind measurements up and downstream of a.5 MW Nordex wind turbine Instrumentation: Windcube v, Windcube 00S, Windcube v, Zephir, WindIris & SUMO Publication: Kumer et al. 05, Characterisation of single wind turbine with static and scanning WINTWEX-W LiDAR data, Energy Procedia, under review Slide / ESWJ 05
25 Slide 5 / ESWJ 05
26 OBLEX-F Offshore Boundary Layer EXperiment Fino ( ) Goal: offshore wind, wave and wake characteristics Campaign setup: wind and wave measurements at FINO Instrumentation: Windcube 00S, MW Radiometer, Moored Autonomous Turbulence System (MATS), Nortek Acoustic Doppler Current Profilers (ADCP), Nortek Acoustic Doppler Velocimeters (ADV) Slide 6 / ESWJ 05
27 WINTWEX-F Slide 7 / ESWJ 05
28 OBLEX-F Slide 8 / ESWJ 05
29 Floating LIDAR buoy Wave buoy Accelerometers, compass CMR Sailbuoy Wave sensor, temperature Bottom frame - ADCP, Aquadopp, ADV Bottom frame ADCP, Aquadopp, ADV Bo Submerged buoy - Current meter MATS submerged buoy - Microrider shear probes, Aquadopp Submerged buoy - ADCP
30 Slide 0 / ESWJ 05
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