Factoring in six degrees of freedom for floating offshore wind turbines – Windpower Engineering (press release)

In Singapore, a group of researchers at the Lloyd’s Register Global Technology Center, and their partners at the Institute for High Performance Computing, are working to help bring about a tool that could help develop a cost competitive FOWT design. So far there is a significant amount of data gathered on fixed wind turbines. Tools such as the Fatigue, Aerodynamics, Structures and Turbulence (FAST) Code have provided a means to simulate loads and predict performance. The Blade Element Momentum (BEM) method is the basis for most of the wind turbine analysis software currently used in the market. However, its theory is based on the assumption that the rotor plane is normal to the wind direction. Taking a step in a new direction, these researchers are assessing FOWT characteristics by using higher-fidelity prediction models based on computational fluid dynamics (CFD) that can account for the six degrees of movement of the floating offshore wind turbine.

Source: www.windpowerengineering.com

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