windpowerlib.tools.estimate_turbulence_intensity¶
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windpowerlib.tools.
estimate_turbulence_intensity
(height, roughness_length)[source]¶ Estimate turbulence intensity by the roughness length.
Parameters: - height (float) – Height above ground in m at which the turbulence intensity is calculated.
- roughness_length (pandas.Series or numpy.array or float) – Roughness length.
Notes
The following equation is used [1]:
- with:
- TI: turbulence intensity, h: height, : roughness length
References
[1] Knorr, K.: “Modellierung von raum-zeitlichen Eigenschaften der Windenergieeinspeisung für wetterdatenbasierte Windleistungssimulationen”. Universität Kassel, Diss., 2016, p. 88