Saarblitz, Wind farm in HDR, flickr.com, creative commons by-nc-sa 2.0

GCL

Submitted by Gunner Chr. Larsen on May 4, 2015 - 5:57pm
Main hypothesis

- Steady wind farm flow field based on linear superposition of wake contributions

- Wake contributions based on analytical solution of rotationally symmetric boundary layer equations 

- Turbulence closure: Prandtl's mixing length approach

Software
Solver
Dedicated program.
Regime
Turbulence
Turbulence closure
Turbulence model

Turbulence closure: Prandtl's mixing length approach

Atmospheric boundary layer
Coriolis
No
Atmospheric Stability
Atmospheric Stability
No
Canopy
Forest canopy
No
Wind farm
Wind turbine
Yes
Rotor model
Wake model
Wind farm range
Additional information

- Rotor model consists of the thrust coefficient and the rotor diameter

- Wake approach as described in "Main Hypothesis"

References

Model description: 

Larsen, G.C. (2009). A simple stationary semi-analytical wake model. Risø-R-1713 (EN).

Model validation:

Gaumond, M, Réthoré, P-E, Bechmann, A, Ott, S, Larsen, GC, Pena Diaz, A & Hansen, KS. Benchmarking of Wind Turbine Wake Models in Large Offshore Windfarms.  The Science of Making Torque from Wind 2012, October 9-11, 2012, Oldenburg, Germany