Flow-visualization study of the MOD-2 wind-turbine wake

The geometry of the MOD 2 wind turbine wake in terms of wake height and width as a function of downstream distance under two conditions of atmospheric stability was determined. The mean velocity deficit at several downstream stations in the turbine wake was estimated and the behavior of the rotor generated vortices, particularly their configuration and persistence was investigated. The background of the wake problem is briefly examined, and the critical issues that the flow visualization study addresses are included. Experimental techniques and data analysis methods are described.