This work validates a numerical model of the Fraunhofer IWES LiDAR-Buoy by using open sea measurements. Such floating LiDAR systems (FLS) have been deployed for almost twenty years, aiming at exploring the offshore wind resource with lower cost. However, the uncertainty of wind measurements from a moving LiDAR are not clear, particularly due to the wave- and current-induced motion of the buoy. Therefore a numerical model with state-of-the-art approaches in conventional oil and gas industry was developed to quantify uncertainty and understand the effect of environmental conditions on the buoy. The model was validated against data from a measurement campaign at the offshore research platform FINO 3. The results show the challenges and limitations when transferring the experience from the oil and gas industry directly because of the different geometries and the much smaller buoys used for FLS. It has been found that the position of the LiDAR is dominated by the current, which is however commonly simplified in the state-of-the-art approach; the rotational motions are significantly influenced by the wave and can be reproduced up to a certain limit.
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ASME 2018 1st International Offshore Wind Technical Conference
November 4–7, 2018
San Francisco, California, USA
Conference Sponsors:
- Ocean, Offshore and Arctic Engineering Division
ISBN:
978-0-7918-5197-5
PROCEEDINGS PAPER
Validation of a Simplified LiDAR-Buoy Model Using Open Sea Measurements Available to Purchase
Wei Yu,
Wei Yu
University of Stuttgart, Stuttgart, Germany
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Oliver Bischoff,
Oliver Bischoff
University of Stuttgart, Stuttgart, Germany
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Po Wen Cheng,
Po Wen Cheng
University of Stuttgart, Stuttgart, Germany
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Gerrit Wolken-Moehlmann,
Gerrit Wolken-Moehlmann
Fraunhofer Institute for Wind Energy Systems IWES, Bremerhaven, Germany
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Julia Gottschall
Julia Gottschall
Fraunhofer Institute for Wind Energy Systems IWES, Bremerhaven, Germany
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Wei Yu
University of Stuttgart, Stuttgart, Germany
Oliver Bischoff
University of Stuttgart, Stuttgart, Germany
Po Wen Cheng
University of Stuttgart, Stuttgart, Germany
Gerrit Wolken-Moehlmann
Fraunhofer Institute for Wind Energy Systems IWES, Bremerhaven, Germany
Julia Gottschall
Fraunhofer Institute for Wind Energy Systems IWES, Bremerhaven, Germany
Paper No:
IOWTC2018-1086, V001T01A009; 7 pages
Published Online:
December 13, 2018
Citation
Yu, W, Bischoff, O, Cheng, PW, Wolken-Moehlmann, G, & Gottschall, J. "Validation of a Simplified LiDAR-Buoy Model Using Open Sea Measurements." Proceedings of the ASME 2018 1st International Offshore Wind Technical Conference. ASME 2018 1st International Offshore Wind Technical Conference. San Francisco, California, USA. November 4–7, 2018. V001T01A009. ASME. https://doi.org/10.1115/IOWTC2018-1086
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