Modeling of the fluid structure interaction (FSI) for the design of a HAWT wind turbine
Octavio Andrés González-Estrada
Published 2018-05-30
Keywords
- blade,
- BEM,
- profile design,
- FSI,
- wind turbine
- HAWT ...More
How to Cite
Abstract
In this work, the mechanical behavior of the blade of a wind turbine is studied, analyzing the impact of the design of the blade on the amount of energy generated and its structural response as a function of the stresses induced by the air flow. In order to study the relationship between flow forces, deformations and stresses induced in the structure, a Fluid Structure Interaction (FSI) model was used. The blade structure is designed using blade element momentum theory (BEM), taking as a starting point constant properties related to the wind (speed, density, Reynolds), and the selection of a profile recommended by NACA, RISO, DU or NREL. Then, the same procedure is used for a profile designed using performance theories. Having these results for both types of blades, a comparison of the stresses and deformations due to the variations between the designed profile and the selected profile was made, analyzing the effects on the generated energy and the structural integrity of the turbine.
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References
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