Optimization of Mechanical Design Bladeless Wind Turbine for Electricity Fulfilment in Nusa Tenggara Timur, Indonesia
The current government's goal is the realization of an even distribution of the electrification ratio in Indonesia. However, in 2018 the electrification ratio in Nusa Tenggara Timur (NTT) only reached 62.07%. One of the solutions offered is the implementation of a Bladeless Wind Turbine (BWT). BWT is a type of wind power plant that can work optimally in areas with low wind speeds, 3 to 8 m/s, which is still above the NTT average wind speed, 2.3 m/s. This study aims to optimize the mechanical design of BWT with shape and size parameters based on the manipulation of the coefficient of friction through computational fluid dynamic simulations that can work optimally according to wind speed in NTT. In this study, 3 design variations were used, namely Initial Design, Modified Design 1, and Modified Design 2. Based on the research that has been done, MD2 has better results than MD1 and ID, and it can be said that MD2 can work optimally in wind speed areas. low. So MD2 is a mechanical design model that is very suitable to be applied in NTT and is expected to be a recommendation in making masts for BWT-based wind power plants in Indonesia.
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