Lidars for Wind Tunnels - an IRPWind Joint Experiment Project

Mikael Sjöholm, Andrea Vignaroli, Nikolas Angelou, Morten Busk Nielsen, Jakob Mann, Torben Krogh Mikkelsen, Hans Christian Bolstad, Karl Otto Merz, Lars Roar Sætran, Franz Volker Mühle, Mikko Tiihonen, Ville Lehtomäki

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Measurement campaigns with continuous-wave Doppler Lidars (Light detection and ranging) developed at DTU Wind Energy in Denmark were performed in two very different wind tunnels. Firstly, a measurement campaign in a small icing wind tunnel chamber at VTT in Finland was performed with high frequency measurements for increasing the understanding of the effect of in-cloud icing conditions on Lidar signal dynamics. Secondly, a measurement campaign in the relatively large boundary-layer wind tunnel at NTNU in Norway was performed in the wake of a scaled test turbine in the same configuration as previously used in blind test comparisons for wind turbine wake modelers. These Lidar measurement activities constitute the Joint Experiment Project” L4WT - Lidars for Wind Tunnels, with applications to wakes and atmospheric icing in a prospective Nordic Network” with the aim of gaining and sharing knowledge about possibilities and limitations with lidar instrumentation in wind tunnels, which was funded by the IRPWind project within the community of the European Energy Research Alliance (EERA) Joint Programme on Wind Energy.
Original languageEnglish
JournalEnergy Procedia
Pages (from-to)339-345
Publication statusPublished - 2017


  • Lidar
  • Lidic
  • WindScanner
  • Wind Tunnel
  • Icing Conditions
  • Wind Turbine Wake
  • Blind test


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