wake speed deficit

Relation expressing the wake speed deficit as the difference of the freestream and the perturbed wind speed: Delta_U = U_freestream - U_wake.

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Includes 3

free stream wind speed at hub height
wake deficit
wind speed at hub height

References

John Twidell, Gaetano Gaudiosi (eds.) “Offshore Wind Power”, Multi-Science Publishing Company, 2009. Chapter 4, Eq. 20.

Contributed by

S. Sanchez Perez Moreno (TU Delft), E.R.G. Quaeghebeur (TU Delft)

Cite the database: Quaeghebeur, E., Sanchez Perez-Moreno, S., and Zaaijer, M. B.: WESgraph: a graph database for the wind farm domain, Wind Energ. Sci., 5, 259–284, 2020. doi:10.5194/wes-5-259-2020

This page: https://wesgraph.anemona.io/concept/wake-speed-deficit/