Vortex-enhanced propulsion

@inproceedings{Ruiz2010VortexenhancedP,
  title={Vortex-enhanced propulsion},
  author={L. A. Estrella Ruiz and Robert W. Whittlesey and John O. Dabiri},
  year={2010}
}
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 local pressure field and entrainment kinematics. This paper investigates these unsteady mechanisms analytically and in experiments. A selfpropelled underwater vehicle is designed with the capability to operate using either steady-jet propulsion or a pulsed-jet mode that features the roll-up of large-scale… CONTINUE READING
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