Flow transitions and mapping for undulating swimmers
Muhammad Saif Ullah Khalid, Junshi Wang, Haibo Dong, Moubin Liu
Abstract
Unfolding the connection between kinematics and physiology of natural swimming species is of much value for bioinspired designs of autonomous underwater vehicles. Extensive numerical investigations find which wavelength of the undulating motion of carangiform and anguilliform swimmers is suitable to maximize their swimming performance in terms of thrust production and efficiency under different flow conditions. It is also explained how jet switching in the wake of a swimmer deteriorates the hydrodynamic efficiency of anguilliform and carangiform swimmers.
Topics & Concepts
Fish locomotionKinematicsThrustWakeMechanicsMarine engineeringFlow (mathematics)GeologyJet (fluid)Reynolds numberPropulsive efficiencyUnderwaterPhysicsWater jetPosition (finance)Motion (physics)Flow conditionsControl theory (sociology)Potential flowSupercavitationBiomimetic flight and propulsion mechanismsMicro and Nano RoboticsLattice Boltzmann Simulation Studies