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PIVlab – Towards User-friendly, Affordable and Accurate Digital Particle Image Velocimetry in MATLAB
The accuracy of several algorithms was determined and the best performing methods were implemented in a user-friendly open-source tool for performing DPIV flow analysis in Matlab. Expand
How the body contributes to the wake in undulatory fish swimming: flow fields of a swimming eel (Anguilla anguilla).
The combined findings suggest that eels can modify their body wave to generate wakes that reflect their propulsive mode, which is suited to high manoeuvrability. Expand
Hydrodynamics of unsteady fish swimming and the effects of body size: comparing the flow fields of fish larvae and adults.
The rapid decrease in vortex circulation and the severe reduction in the coasting distance due to viscous drag contribute to the high cost that larvae - unlike adult fish - face when using a burst-and-coast swimming style. Expand
Kinetics of low-pressure methanol synthesis
The kinetics of low-pressure methanol synthesis, starting from CO, CO2 and hydrogen over a commercial CuZnAl catalyst, were studied in a spinning basket reactor at p = 15–50 bar and T = 210–245°C.Expand
Reading the copepod personal ads: increasing encounter probability with hydromechanical signals
Females of the calanoid copepod Temora longicornis react to chemical exudates of male conspecifics with little hops, quite distinct from their normal smooth uniform swimming motion, to increase encounter probability with potential mates. Expand
How swifts control their glide performance with morphing wings
The aerodynamic and structural performance of actual swift wings, as measured in a wind tunnel, is described and on this basis a semi-empirical glide model is built, showing that choosing the most suitable sweep can halve sink speed or triple turning rate and adjusts birds’ wing performance to the task at hand. Expand
Behaviour and time allocation of the burrowing shrimp Callianassa subterranea (Decapoda, Thalassinidea)
Circumstantial evidence indicates that feeding is part of the burrowing behaviour of the endobenthic shrimp Callianassa subterranea, and the behaviour and allocation of time of the animals was studied in the laboratory. Expand
Copepod feeding currents: flow patterns, filtration rates and energetics
Particle image velocimetry was used to construct a quasi 3-dimensional image of the flow generated by the feeding appendages of the calanoid copepod Temora longicornis, and the average rate of energy dissipation within theCopepod's volume of influence is several times higher than the levels of turbulent energy Dissipation these animals are likely to encounter in their environment. Expand
Leading-Edge Vortex Lifts Swifts
It is suggested that the flow around the arm-wings of most birds can remain conventionally attached, whereas the swept-back hand-wings generate lift with leading-edge vortices. Expand