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Fast aerodynamic model for rotor sails in wind-assisted ship propulsion
The maritime industry is increasingly adopting innovative technologies to reduce greenhouse gas emissions and improve the energy efficiency of commercial vessels. Among the most promising solutions is Wind-Assisted Ship Propulsion (WASP), with Flettner rotors (rotor sails) emerging as one of the leading technologies for harnessing wind energy to support ship propulsion. Rotor sails generate aerodynamic lift through the Magnus effect, providing additional thrust and reducing the vessel’s fuel consumption. To maximize these benefits, it is essential to accurately predict the aerodynamic forces acting on the rotors and the flow field they generate. This challenge becomes particularly important when multiple rotor… Read more
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Control of a Soft Mackerel-inspired Robot
This thesis focuses on the development of the control algorithm for a mackerel-inspired robot. The robot has a rigid head containing sensors and motors, a soft body made of silicone rubber with a TPU-made backbone, and a compliant caudal fin. The objective of this thesis is to develop a control algorithm using ROS2 to enable underwater navigation. Contacts: Giovanni Bianchi Read more
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Theoretical Performance of Magnetohydrodynamic Propulsion Systems Using Superconducting Magnets
Magnetohydrodynamic (MHD) propulsion involves the interaction between magnetic fields and conductive fluids to generate thrust, a technology with potential applications in advanced marine and aerospace vehicles. This thesis focuses on designing and analyzing MHD propulsion systems that utilize superconducting magnets, which offer significant advantages in terms of magnetic field strength and efficiency compared to conventional electromagnets. The thesis includes theoretical modeling of the propulsion system, evaluating how superconducting magnets can enhance the magnetic field intensity and improve thrust performance. The goal is to understand the potential benefits and limitations of using superconducting magnets in MHD propulsion, including efficiency, thrust generation,… Read more
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Active/Adaptive Morphing Propellers for Enhancing Critical Cavitation Speed and Performance
The thesis focuses on the development and analysis of a morphing system for a boat propeller, aiming to increase the critical cavitation speed. Cavitation, a phenomenon that can impair the performance and durability of propellers, occurs when local pressure drops below the vapor pressure, leading to the formation of vapor bubbles that collapse, causing noise and damage. The project involves designing a propeller with variable geometry, capable of dynamically adapting to different operating conditions. By using smart materials, the propeller blades can change their shape to optimize hydrodynamic flow and delay the onset of cavitation. The thesis includes numerical modeling… Read more