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wflo (version 1.9)

Area: Computes the overlap area for the partial Jensen wake.

Description

The partial Jensen wake model requires the overlap area of the rotor disc at the downwind location with the wake disc. This function computes it.

Usage

Area(a, b, d)

Value

Area returns covered area in square meters.

Arguments

a

must be a single value. Provide the radius of the first circle in meters.

b

must be a single value. Provide the radius of the second circle in meters.

d

must be a single value. Provide the distance between the two circles' centers.

Author

Carsten Croonenbroeck

Details

If a turbine is downwind another turbine, the wake cone of that upwind turbine may only partially cover the rotor disc of the second turbine. For the partial wake model it is necessary to compute the covered area.

See Also

JensenTrapezoid to check whether there are wake effects present. FarmVars for the data object.

Examples

Run this code
Area(60, 40, 50)
# Returns 2930.279.

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