Abstract
Objectives/Methods: The main objective here is to make an optimum design of buoy. Wave power generation is one of the extensive research fields all over the world. The ocean waves are usually converted into electrical energy by a device called a wave energy converter (WEC). The electricity generated depends upon the intensity of the waves. In a traditional way, the motion of a buoy that occurred in a vertical direction due to waves in water, can be converted into current generation. Here, the numerical simulation using the Ansys tool is done to find an optimum design of buoy shape to get maximum energy conversion. Findings: The simulations have shown that the drag force for the Oval shape is minimum 0.063 N and the first mode of frequency for the Conical shape is minimum 165 Hz for Point-Absorber type Wave Energy Converter. Keywords Buoy, wave energy converter, buoy shapes
Highlights
The energy demand grew considerably and is even further increasing
Owing to depletion of fossil fuels and the emissions caused by the fuels are the major hurdles for its use the demand for renewable energy sources is increasing
This is the case for the “buoy-type” or “point absorber” [33,34,35,36] type of wave energy converter
Summary
The energy demand grew considerably and is even further increasing. Owing to depletion of fossil fuels and the emissions caused by the fuels are the major hurdles for its use the demand for renewable energy sources is increasing. A number of wave energy devices are available and research is being done for its commercialization[6]. The WEC devices that are available require a great deal of investigation in different areas like structural analysis[25], fatigue analysis. This analysis can be done using the Ansys tool which mainly depends upon the wind system [26,27,28]. This paper focuses on the design and analysis of buoy, from the structural point of view for various buoy geometries so that the efficiency of device increases
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