Potencial Energético E Variabilidade Das Correntes Oceânicas No Litoral Sul Do Brasil
(Energetic Potential And Variability Of Ocean Currents On The Southern Coast Of Brazil)
Andrea Fischer (email@example.com)1, Cláudio Luis d'Elia Machado1, Luiz Emilio Brito de Almeida2, Alexandre Beluco (firstname.lastname@example.org)2
1Instituto Federal Sul-rio-grandense2Universidade Federal do Rio Grande do Sul
This paper appears in: Revista IEEE América Latina
Publication Date: May 2015
Volume: 13, Issue: 5
The energy in ocean currents has characteristics that make it one of the most important energy resources available and currently untapped. Thus, it is important to know the current systems and map the available energy resources. The Weibull distribution of two parameters was used to quantitatively describe the energetic potential and the system of ocean currents along the coast of Rio Grande do Sul, in the regions of Rio Grande and Tramandaí and the coast of Santa Catarina in southern Brazil. Based on the time series obtained for each region at different depths, the method of maximum likelihood in the velocity distribution, adjusting the scaling parameters (c) and form (k) of the model, were calculated. From these parameters, the values of average speed, maximum and minimum speed, standard deviation and coefficient of variation for each data set were calculated. The region of Rio Grande showed the highest average power density of 9 W/m², while Tramandaí had the lowest values. The current velocities observed have low values for the utilization of this energy resource in the region.
Weibull distribution, ocean currents, energetic potential, southern coast of Brazil
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