Assessment of wind conditions at a fjord inlet by complementary use of sonic anemometers and lidars

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Wind velocity measurement devices based on the remote optical sensing, lidars, are extensively applied in wind energy research and wind farm operation. The present paper demonstrates the relevance and potential of lidar measurements for other windsensitive structures such as long-span bridges. In a pilot study in Lysefjord, Norway, a pulsed long-range lidar and two short-range WindScanners were installed at the bridge site, together with a long-term monitoring system based on sonic anemometers. The deployment of the two types of lidars is described in more details and the complementary value of the data from all three types of the instruments is illustrated. The emphasis is on the lidars’ potential to map the wind conditions along the whole span of a bridge in a complex terrain, as opposed to ”point” measurements achievable by sonic anemometers. The challenging balance between the spatial and temporal resolution of the data is discussed.
Original languageEnglish
JournalEnergy Procedia
Pages (from-to)411-421
Publication statusPublished - 2015
Event12th Deep Sea Offshore Wind R&D Conference, EERA DeepWind'2015 - Trondheim, Norway
Duration: 4 Feb 20156 Feb 2015


Conference12th Deep Sea Offshore Wind R&D Conference, EERA DeepWind'2015

Bibliographical note

© 2015 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license

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    Research areas

  • Long-range pulsed lidar, Short-range WindScanner, Sonic anemometer, Length-scale, Coherence, Long-span bridges

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