Numerical site calibration: a validation study

Authors: Derek Roberts, Luke Simmons, James Bleeg, Mirko del Hoyo, Christiane Montavon

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Numerical site calibration (NSC) – the development of these transfer functions using computational fluid dynamics (CFD) models – presents an opportunity to enable complex-terrain turbine testing without the inherent risk associated with in-situ site calibration measurements.

This study leverages a database of site calibration measurements to validate DNV’s NSC methodology at 27 mast-turbine pairs across seven North American project sites.

Replacing physical measurements with numerical approximations can enable performance tests that include larger quantities of turbines at a fraction of the cost and logistical complexity, reducing project risk for both wind farm developers and wind turbine manufacturers.