Results of the GABLS3 diurnal-cycle benchmark for wind energy applications: Paper

J. Sanz Rodrigo*, D. Allaerts, M. Avila, J. Barcons, Dalibor Cavar, R. A. Chávez Arroyo, M. Churchfield, B. Kosovic, J. K. Lundquist, J. Meyers, D. Munoz Esparza, Jmlm Palma, J. M. Tomaszewski, Niels Troldborg, M. P. Van Der Laan, C. Veiga Rodrigues

*Corresponding author for this work

    Research output: Contribution to journalJournal articleResearchpeer-review

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    We present results of the GABLS3 model intercomparison benchmark revisited for wind energy applications. The case consists of a diurnal cycle, measured at the 200-m tall Cabauw tower in the Netherlands, including a nocturnal low-level jet. The benchmark includes a sensitivity analysis of WRF simulations using two input meteorological databases and five planetary boundary-layer schemes. A reference set of mesoscale tendencies is used to drive microscale simulations using RANS k- and LES turbulence models. The validation is based on rotor-based quantities of interest. Cycle-integrated mean absolute errors are used to quantify model performance. The results of the benchmark are used to discuss input uncertainties from mesoscale modelling, different meso-micro coupling strategies (online vs offline) and consistency between RANS and LES codes when dealing with boundary-layer mean flow quantities. Overall, all the microscale simulations produce a consistent coupling with mesoscale forcings.
    Original languageEnglish
    Book seriesJournal of Physics: Conference Series
    Number of pages16
    Publication statusPublished - 2017
    EventWake Conference 2017 - Visby, Sweden
    Duration: 30 May 20171 Jun 2017


    ConferenceWake Conference 2017
    Internet address


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