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Feasibility study for estimating the offshore shear layer from on shore measurements

Stickland, Matthew and Scanlon, Thomas and Fabre, Sylvie and Oldroyd, Andrew and Mikkelsen, Torben (2011) Feasibility study for estimating the offshore shear layer from on shore measurements. In: EWEA Offshore 2011: Moving Ahead of the Energy Curve, 2011-11-29 - 2011-12-01.

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Abstract

This paper presents an open source computational fluid dynamics (CFD) study of air flow over a complex terrain. The open source C++ toolbox OpenFOAM has been used for the CFD analysis and the terrain considered is a scale model of Berlengas Island, which lies close to the Portuguese coast. In order to validate the CFD model, experimental work has been carried out in an open-section wind tunnel using hot-wire anemometry to measure the wind profiles above the island. In the majority of cases, the OpenFOAM CFD solutions show very good agreement with the experimental wind profile data, confirming that open source CFD solutions are possible for environmental flows over complex terrain. Such an analysis demonstrates the feasibility of estimating offshore boundary layer effects from onshore measurements.