In this study, the performance of a spar buoy with a motion stabilizer and an airfoil as a platform of wind state observation with a doppler lidar for Bottom Mounted Offshore Wind Farm Project at the shallow sea area, whose depth is less than 50 in, is investigated. By model tests in steady flow and in waves, the effects of the motion stabilizer are confirmed. The effects of the airfoil are also confirmed by model tests in wind. In order to understand the mechanisms of the model test results, a time domain motion simulation program is developed. Finally, particulars of the stabilizer and shape of the airfoil are optimized based on the simulation results.
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2015. International Society of Offshore and Polar Engineers