Design and Comprehensive Computational Performance Investigations of Hybrid Vortex Bladeless Turbine with PVEH Patches for Unmanned Surface Vehicles

This work addresses an innovative method for improving energy harvesting in bladeless wind turbines (BWT) by utilizing the energy of vorticity, an aerodynamic effect (vortex scattering), piezoelectric vibration energy harvesting (PVEH) patches, and profile modifications of a wind turbine. The streamlined flow undergoes a transformation and generates a vortex in the vicinity of the structure when the wind impacts the BWT. As the velocity increases, the wind strikes the structure with a greater force, resulting in an imbalance that causes the structure to vibrate. In order to convert the vibrational energy of the wind turbine into electrical energy, the research investigates the use of a variety of profile modifications to capitalize on the aerodynamic effect generated by the structure. The PVEH patches are applied to the structure's surface to extract energy from renewable sources. This provides additional energy in addition to the energy produced by the BWT, which is advantageous in the production of power. The entire cylindrical shape is substituted by the Aerofoil (X-shaped) and Serration aerofoil (X-shaped), and the conventional cylindrical shape is incorporated with dimple and inverted dimple. Computational fluid dynamics simulation and vibrational analysis are employed to design and investigate the diverse design profiles using Ansys. The analysis is conducted under specific boundary conditions to determine the most effective design for enhancing energy extraction. The unmanned surface vehicle (USV) employs this efficient method of operating BWT to generate additional power from renewable sources by utilizing the high-velocity air generated in the environment. The results of the analysis indicate that the Aerofoil structured design is more efficient than other models in terms of producing high power and PVEH patches when the applied methodology with boundary conditions is implemented.