I review the concept of optimal vortex formation and examine its relevance to propulsion in
biological and bio-inspired systems, ranging from the human heart to underwater vehicles …

Experimental studies of the flow topology, leading-edge vortex dynamics and unsteady force
produced by pitching and plunging flat-plate aerofoils in forward flight at Reynolds numbers …

The dynamics of pulsed jetting in squids throughout ontogeny is not well understood,
especially with regard to the development of vortex rings, which are common features of …

Fast-swimming hydromedusan jellyfish possess a characteristic funnel-shaped velum at the
exit of their oral cavity that interacts with the pulsed jets of water ejected during swimming …

Experiments with a pitching and plunging airfoil are conducted in order to investigate the
mechanisms responsible for the formation and detachment of leading edge vortices (LEVs) …

It has been previously suggested that the generation of coherent vortical structures in the
near-wake of a self-propelled vehicle can improve its propulsive efficiency by manipulating …

The flickering of buoyant diffusion flames is associated with the periodic shedding of toroidal
vortices that are formed under gravity-induced shearing at the flame surface. Numerous …

A new type of thrusting technology, loosely inspired by the locomotion of cephalopods, offers
promising low-speed maneuvering capabilities for a new generation of underwater vehicles …

A new type of underwater thruster was designed to provide high-accuracy, low-speed
maneuvering to underwater robots. Located internal to the vehicle surface, these thrusters …

We investigate experimentally the unsteady, three-dimensional vortex formation of low-
aspect-ratio, trapezoidal flat-plate fins undergoing rotation from rest at a 90° angle of attack …