Coupled simulations and comparison with multi-lidar measurements of the wind flow over a double-ridge

C. Veiga Rodrigues, J.M.L.M. Palma, Nikola Vasiljevic, Michael Courtney, Jakob Mann

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    Abstract

    The wind flow over a double-ridge site has been numerically simulated with a nested model- chain coupling, down to horizontal resolutions of 40 m. The results were compared with field measurements attained using a triple-lidar instrument, the long-range WindScanner system, which allowed measurements up to 500 m height and the mapping of the wind speed onto a two-dimensional transect crossing the valley. The site, known as Serra do Perdigão, is located in central Portugal and consists of two parallel ridges 1.4 km apart with height differences of 200 m in between, being characterized by rough terrain and forested areas. The analysis was restricted to June 10th 2015, for which measurements and simulations both predicted gravity wave activity, the later showing formation of rotors in the lee of both ridges and some events of wave breaking above the ridge top.
    Original languageEnglish
    Article number032025
    Book seriesJournal of Physics: Conference Series (Online)
    Volume753
    Issue number3
    Number of pages10
    ISSN1742-6596
    DOIs
    Publication statusPublished - 2016
    EventThe Science of Making Torque from Wind 2016 - Technische Universität München (TUM), Munich, Germany
    Duration: 5 Oct 20167 Oct 2016
    Conference number: 6
    https://www.events.tum.de/?sub=29

    Conference

    ConferenceThe Science of Making Torque from Wind 2016
    Number6
    LocationTechnische Universität München (TUM)
    Country/TerritoryGermany
    CityMunich
    Period05/10/201607/10/2016
    Internet address

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