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Measurement of particle accelerations in fully developed turbulence
We use silicon strip detectors (originally developed for the CLEO III high-energy particle physics experiment) to measure fluid particle trajectories in turbulence with temporal resolution of up toExpand
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A quantitative study of three-dimensional Lagrangian particle tracking algorithms
A neural network particle finding algorithm and a new four-frame predictive tracking algorithm are proposed for three-dimensional Lagrangian particle tracking (LPT). A quantitative comparison ofExpand
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Recent Developments in Rayleigh-Bénard Convection
▪ Abstract This review summarizes results for Rayleigh-Benard convection that have been obtained over the past decade or so. It concentrates on convection in compressed gases and gas mixtures withExpand
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Fluid particle accelerations in fully developed turbulence
The motion of fluid particles as they are pushed along erratic trajectories by fluctuating pressure gradients is fundamental to transport and mixing in turbulence. It is essential in cloud formationExpand
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Lagrangian Properties of Particles in Turbulence
The Lagrangian description of turbulence is characterized by a unique conceptual simplicity and by an immediate connection with the physics of dispersion and mixing. In this article, we report someExpand
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Transition to the ultimate state of turbulent Rayleigh-Bénard convection.
Measurements of the Nusselt number Nu and of a Reynolds number Re(eff) for Rayleigh-Bénard convection (RBC) over the Rayleigh-number range 10(12)≲Ra≲10(15) and for Prandtl numbers Pr near 0.8 areExpand
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Low-energy Control of Electrical Turbulence in the Heart
Controlling the complex spatio-temporal dynamics underlying life-threatening cardiac arrhythmias such as fibrillation is extremely difficult, because of the nonlinear interaction of excitation wavesExpand
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Dictyostelium discoideum chemotaxis: threshold for directed motion.
The chemotactic response of Dictyostelium discoideum cells to stationary, linear gradients of cyclic adenosine 3',5'-monophosphate (cAMP) was studied using microfluidic devices. In shallow gradientsExpand
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Spatiotemporal Transition to Conduction Block in Canine Ventricle
Interruption of periodic wave propagation by the nucleation and subsequent disintegration of spiral waves is thought to mediate the transition from normal sinus rhythm to ventricular fibrillation.Expand
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