.../10.13039/100007812 Biomechanics Drinking Feeding mechanisms Flow visualization Fluid transport Nectarivory Summary: Live visualization of hummingbird bill movements and intraoral space reveals how they transfer nectar from the tongue to the throat – the eco-evolutionary implications...

... among fins and species, and is not limited to a stabilizing role. Fig. 1. Particle image velocimetry (PIV) experimental setup used to visualize fluid dynamics in the wake of the dorsal fins . (A) Schematic diagram of the experimental setup for flow visualization around the dorsal fins of freely...

... that encourage refuging in fish. Vortex street Oncorhynchus   mykiss Kármán gait Flow visualization DPIV CFD Turbulence Swimming Fishes in current-swept environments must successfully navigate complex flows while performing tasks that are essential for survival, such as foraging for prey...

... flow visualization digital particle image velocimetry kinematics fin foil propulsion The comparative biomechanics and physiology of moving through water has long attracted the attention of both biologists and engineers, and recent decades have witnessed considerable growth in the study...

... on flapping wings in previous studies; (2) to study systematically the influences of kinematic and geometric parameters on such a vortical structure. Based on a scaled-up electromechanical model flapping in a water tank, the leading-edge vortex (LEV) cores were visualized via dye flow visualization...

... of Biologists Limited 2005 2005 swimming maneuvering locomotion dorsal fin adipose fin vortex wake flow visualization digital particle image velocimetry rainbow trout Oncorhynchus mykiss A key feature of locomotor anatomy in fishes is the dorsal fin, which is one of three median fins...

... a stable LEV with no evidence of shedding. At Re =1400, flow visualization indicated an intense narrow region of spanwise flow within the core of the LEV, a feature conspicuously absent at Re =120. The results suggest that the transport of vorticity from the leading edge to the wake that permits prolonged...

... (e-mail: [email protected] ) 21 3 2003 © The Company of Biologists Limited 2003 2003 insect flight flapping flight wake structure insect aerodynamics DPIV digital particle image velocimetry flow visualization Constructing an aerodynamic explanation...

... the behavioral and hydromechanical repertoire of the paired pectoral fins of rainbow trout Oncorhynchus mykiss , performing both steady rectilinear swimming and unsteady maneuvering locomotion. A combination of kinematic analysis and quantitative flow visualization (using digital particle image velocimetry...

... 25 5 2002 © The Company of Biologists Limited 2002 2002 swimming heterocercal tail flow visualization hydrodynamics digital particle image velocimetry shark Triakis semifasciata Chiloscyllium punctatum Two competing models have been presented to explain how...

... wake interaction flow visualization digital particle image velocimetry bluegill sunfish Lepomis macrochirus . Change in fin morphology and position is a central component of the evolutionary transformation of functional design in ray-finned fishes (Actinopterygii). Documenting phylogenetic...

... fishes, leading to periods of higher pressure in the parabranchial than in the oropharyngeal cavity. We investigated the existence and consequence of such pressure reversals in the hedgehog skate Leucoraja erinacea using pressure transducers, sonomicrometry and flow visualization including internal...

... 2000 15 01 2001 © 2001 by Company of Biologists 2001 manoeuvrability turning swimming pectoral fin locomotion flow visualization digital particle image velocimetry bluegill sunfish Lepomis macrochirus Experimental studies of animal movement have traditionally focused...

... maneuvering. Heterocercal tail function proves to be more complex than previously thought when examined over a range of vertical maneuvering behaviors using quantitative flow visualization. While both kinematic analysis of the tail of sturgeon swimming horizontally ( Lauder, 2000 ) and force balance diagrams...

... of their ability to generate large mediolateral force asymmetries between the left- and right-side fins. * e-mail: [email protected] 11 05 2000 20 07 2000 © 2000 by Company of Biologists 2000 swimming pectoral fin locomotion flow visualization hydrodynamics digital particle...

... address: Museum of Comparative Zoology, Harvard University, 26 Oxford Street, Cambridge, MA 02138, USA 10 05 2000 10 07 2000 © 2000 by Company of Biologists 2000 leopard shark locomotion pectoral fin flow visualization force balance hydrodynamics Triakis semifasciata...

... pectoral fin flow visualization hydrodynamics muscle function Acipenser transmontanus One of the most prominent features in the evolution of ray-finned fishes is the change in pectoral fin position and function. In the plesiomorphic condition, as represented in extant fishes such as sturgeon...

... flows produced by animals moving through fluids. * e-mail: [email protected] 14 06 1999 25 08 1999 © 1999 by Company of Biologists 1999 swimming pectoral fin locomotion flow visualization hydrodynamics digital particle image velocimetry bluegill sunfish Lepomis...

...Dmitry L. Grodnitsky; Pahvel P. Morozov ABSTRACT Tethered flight of six insect species (two pentatomid bugs, a moth, a butterfly, a muscid fly and a crane fly) was studied using several modifications of a dust flow visualization procedure. The spatial structure of the near vortex wake of flying...

.... With fully formed slots, the wing had a higher span factor than the wing with the unslotted Clark Y tip. Flow visualization with helium-filled bubbles showed that the addition of two winglets to the tip of a model wing spread vorticity both horizontally and vertically in the wake of the tip...