Optimal vortex formation as a unifying principle in biological propulsion
JO Dabiri - Annual review of fluid mechanics, 2009 - annualreviews.org
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 …
biological and bio-inspired systems, ranging from the human heart to underwater vehicles …
Cool your jets: biological jet propulsion in marine invertebrates
Pulsatile jet propulsion is a common swimming mode used by a diverse array of aquatic taxa
from chordates to cnidarians. This mode of locomotion has interested both biologists and …
from chordates to cnidarians. This mode of locomotion has interested both biologists and …
Optimal vortex formation as an index of cardiac health
Heart disease remains a leading cause of death worldwide. Previous research has indicated
that the dynamics of the cardiac left ventricle (LV) during diastolic filling may play a critical …
that the dynamics of the cardiac left ventricle (LV) during diastolic filling may play a critical …
Lagrangian analysis of fluid transport in empirical vortex ring flows
In this paper we apply dynamical systems analyses and computational tools to fluid transport
in empirically measured vortex ring flows. Measurements of quasisteadily propagating …
in empirically measured vortex ring flows. Measurements of quasisteadily propagating …
Flow patterns generated by oblate medusan jellyfish: field measurements and laboratory analyses
Flow patterns generated by medusan swimmers such as jellyfish are known to differ
according the morphology of the various animal species. Oblate medusae have been …
according the morphology of the various animal species. Oblate medusae have been …
The wake structure and thrust performance of a rigid low-aspect-ratio pitching panel
Thrust performance and wake structure were investigated for a rigid rectangular panel
pitching about its leading edge in a free stream. For ReC= O (104), thrust coefficient was …
pitching about its leading edge in a free stream. For ReC= O (104), thrust coefficient was …
Vorticity dynamics of a bileaflet mechanical heart valve in an axisymmetric aorta
We present comprehensive particle image velocimetry measurements and direct numerical
simulation (DNS) of physiological, pulsatile flow through a clinical quality bileaflet …
simulation (DNS) of physiological, pulsatile flow through a clinical quality bileaflet …
Fast-swimming hydromedusae exploit velar kinematics to form an optimal vortex wake
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 …
exit of their oral cavity that interacts with the pulsed jets of water ejected during swimming …
Swimming dynamics and propulsive efficiency of squids throughout ontogeny
Squids encounter vastly different flow regimes throughout ontogeny as they undergo critical
morphological changes to their two locomotive systems: the fins and jet. Squid hatchlings …
morphological changes to their two locomotive systems: the fins and jet. Squid hatchlings …
Parameters influencing vortex growth and detachment on unsteady aerodynamic profiles
A Widmann, C Tropea - Journal of Fluid Mechanics, 2015 - cambridge.org
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) …
mechanisms responsible for the formation and detachment of leading edge vortices (LEVs) …