Aerodynamic Analysis of Cup Anemometers Performance: The Stationary Harmonic Response

Figure 1

Relative-to-the-average rotational speed, 𝜔/𝜔₀, of a Thies 4.3303 anemometer during one turn at 8 m/s wind speed [47] (a) and non-dimensional values of the Fourier series decomposition performed on that rotational speed, 𝜔_𝑖/𝜔₀ (b). 𝑇 is the period of the anemometer’s rotation.

(a)

(b)