Evaluation of the turbulence wake generated by a theoretical wind farm in the Pampa Gaucho region using the WRF model

Authors

DOI:

https://doi.org/10.5902/2179460X47025

Keywords:

Wind energy, Atmospheric modeling, Turbulence parameterization

Abstract

The main objective of this study is to analyze the influence of a wind farm on the variables that control the flow in the atmospheric boundary layer. The simulated period was the whole year of 2008, using a control simulation performed with the Weather Research and Forecasting model (WRF), and the wind farm model (the WRF model with the module Fitch, which parameters the influence of wind turbines on atmospheric flow). Both simulations using the Yonsei-University (YSU) boundary layer parameterization. From the control simulation is made the validation of the model, using observational data collected in two automatic stations of the National Institute of Meteorology (INMET) in the cities of Alegrete-RS and Quaraí-RS. The wind farm idealized in this work has 100 wind generators of 3 MW of power with 120 m in height and with rotor measuring 125 m in diameter. Although the wind speed responds adequately, the temperature and turbulence of near-surface runoff decrease. Analysis of the dependence of near-surface turbulence with vertical stability indicates that the turbulence being generated by the turbines is not reaching the surface. This problem may be related to the chosen boundary layer parameterization.

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Author Biographies

Eduardo Stüker, Universidade Federal do Pampa, Alegrete, RS

Possui graduação em Engenharia Elétrica pela Universidade Federal do Pampa (UNIPAMPA) e Mestrado em Engenharia 

Franciano Scremin Puhales, Universidade Federal de Santa Maria, Santa Maria, RS

Possui graduação em Física - Licenciatura Plena pela Universidade Federal de Santa Maria, graduação em Física - Bacharelado pela Universidade Federal de Santa Maria, graduação em Meteorologia - Bacharelado pela Universidade Federal de Santa Maria, mestrado em Física pela Universidade Federal de Santa Maria e doutorado em Física pela Universidade Federal de Santa Maria

Luiz Eduardo Medeiros, Universidade Federal do Pampa, Alegrete, RS

Possui graduação em Física Bacharelado pela Universidade Federal de Santa Maria, mestrado em Física pela Universidade Federal de Santa Maria, e doutorado em Atmospheric Science pela State University of New York at Albany

Felipe Denardin Costa, Universidade Federal do Pampa, Alegrete, RS

Possui graduação em Física Licenciatura plena pela Universidade Federal de Santa Maria, mestrado em Física pela Universidade Federal de Santa Maria, e doutorado em Física pela Universidade Federal de Santa Maria

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Published

2020-08-28

How to Cite

Stüker, E., Puhales, F. S., Medeiros, L. E., & Costa, F. D. (2020). Evaluation of the turbulence wake generated by a theoretical wind farm in the Pampa Gaucho region using the WRF model. Ciência E Natura, 42, e27. https://doi.org/10.5902/2179460X47025

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