Non-linear dynamics of magnetic bearing systems. The aim of this project is to gain a much deeper insight into the effects of non-linearities on the dynamic behavior and on the performance of active magnetic bearings(AMBs). This project will focus attention on stability analysis, bifurcation control, malfunction analysis, and nonlinear dynamic behavior. The expected outcomes are better understanding and prediction of nonlinear behavior and control of AMBs and improved guidelines for designing sa ....Non-linear dynamics of magnetic bearing systems. The aim of this project is to gain a much deeper insight into the effects of non-linearities on the dynamic behavior and on the performance of active magnetic bearings(AMBs). This project will focus attention on stability analysis, bifurcation control, malfunction analysis, and nonlinear dynamic behavior. The expected outcomes are better understanding and prediction of nonlinear behavior and control of AMBs and improved guidelines for designing safer and more effective AMBs.Read moreRead less
Viscous extensional flow and drop breakoff. Honey falling from a spoon is an everyday example of a viscous fluid in a free extensional flow which may eventually break up into drops. Such flows are important in modern technologies including ink-jet printing, welding, soldering and molten metal processing, polymer and glass fibre spinning, and for rheological measurement. We seek to increase understanding of the mechanisms governing such flows, particularly the role of initial conditions and the ....Viscous extensional flow and drop breakoff. Honey falling from a spoon is an everyday example of a viscous fluid in a free extensional flow which may eventually break up into drops. Such flows are important in modern technologies including ink-jet printing, welding, soldering and molten metal processing, polymer and glass fibre spinning, and for rheological measurement. We seek to increase understanding of the mechanisms governing such flows, particularly the role of initial conditions and the geometry of the original containing vessel, together with balances between forces such as inertia, gravity, viscosity, viscoelasticity, and surface tension, through a theoretical, computational and experimental study of the fluid mechanics.Read moreRead less