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Enfoque UTE

versão On-line ISSN 1390-6542versão impressa ISSN 1390-9363


ANDRADE-TERAN, Cristian; VALENCIA, Esteban; CANDO, Edgar  e  CANDO, Edgar. Numerical analysis of operation of a Wave Energy Converter (WEC) using CFD. Enfoque UTE [online]. 2023, vol.14, n.2, pp.52-65. ISSN 1390-6542.

The present study numerically analyzes, using CFD, the operation of a wave energy converter (WEC) with local sea conditions. The dynamics of the device caused by the propagation of the waves was characterized in the commercial software ANSYS Fluent applying domain reduction criteria, structured cells, and dynamic mesh with 6DOF. Performing 1:5 scale simulations of a real device installed offshore the prediction of the fluid dynamics was achieved with an error between 3.6 % and 4.7 % comparing the elevation of the free surface of the waves and between 5 and 6 % in the angular displacement of the solid in relation to the experimental. For the analysis, data was extracted from the INOCAR-SWAN model at points near Esmeraldas and the Gulf of Guayaquil, detailing the feasibility of generating energy from the device in these areas. Better results in terms of device dynamics were obtained in sea states with greater depth and longer wave periods, presenting average mechanical power between 0.165 kW and 0.22 kW.

Palavras-chave : CFD; NTW; renewable Energy; VOF; WEC.

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