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ESCOAMENTO NA ESTEIRA DE TURBINAS EÓLICAS: ANÁLISE ESPECTRAL DA TURBULÊNCIA MEDIANTE TESTES EM TÚNEL DE VENTO

2016; UNIVERSIDADE FEDERAL DE SANTA MARIA; Volume: 38; Linguagem: Inglês

10.5902/2179460x19850

ISSN

2179-460X

Autores

Adrián Roberto Wittwer, Rodrigo Martins Dorado, Gervásio Annes Degrazia, Acir Mércio Loredo-Souza, B. E. J. Bodmann,

Tópico(s)

Wind and Air Flow Studies

Resumo

The interaction between the incident wind and wind turbines in a wind farm causes mean velocity deficit and increased levels of turbulence in the wake. The turbulent flow is characterized by the superposition of the wind turbine wakes. In this work, the technique of turbulence spectral evaluation to reduce scale models in a boundary layer wind tunnel is presented, and different measurements of velocity fluctuations are analyzed. The results allow evaluating the spectrum configuration at different frequency ranges and the differences of the spectral behavior between the incident wind and the turbine wake flow.

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