velocity profile
ULTRASOUND VELOCITY PROFILE (UVP) MEASUREMENTS IN SHALLOW OPEN-CHANNEL FLOWS
... Initially the Ultrasonic Velocity Profile (UVP) technique was limited to opaque fluids (e.g. Takeda and Kikura, 2001, Wiklund et al., 2006) and it was typically used to measure across pipe walls in small ...
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An Investigation of a Mathematical Model for the Internal Velocity Profile of Conical Diffusers Applied to DAWTs
... diffuser velocity speed-up ratio (ratio between the maximum velocity in the diffuser and the undisturbed free-stream flow velocity) can be of two or more times, resulting in a proportional increase ...
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Optimization of Swirling Flow Energy Parameters on the Velocity Profile after Local Obstacle by Firefly Algorithm
... get velocity profile ...of velocity profile were obtained for variation of the initial boundary values of given parameters and conclusions were derived upon mathematical model and simulation ...
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Feasible domain of Walker's unsteady wall-layer model for the velocity profile in turbulent flows
... The present work studies, in detail, the unsteady wall-layer model of Walker et al. (1989, AIAA J., 27, 140 – 149) for the velocity profile in turbulent flows. Two new terms are included in the ...
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Braz. J. Chem. Eng. vol.22 número2
... air profile that is not ...fluid velocity profile is flat, are ...air profile was taken into account by means of a suitable empirical correlation and a mechanistic model validated by ...
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The Hysteresis and Shear Velocity in Unsteady Flows
... point velocity measurement at various elevations on the flow depth by repeating the experiment at various times to obtain the velocity ...Doppler Velocity Profiler (ADVP) (Lhermitte and Lemmin 1994) ...
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Hemodynamic characteristics of the vertebrobasilar system analyzed using MRI-based models.
... axial velocity profile was reported by Krijger et ...axial velocity profile merges into one peak, which in the symmetric confluence develops and remains in the center of the basilar ...
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Braz. J. Chem. Eng. vol.26 número2
... included. Velocity, temperature and entropy generation profiles are ...on velocity, temperature and entropy generation number are ...that velocity profile depends largely on the flow behaviour ...
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Braz. J. Chem. Eng. vol.33 número3
... Abstract - CFD modelling combines transport phenomena and numerical approaches to solve physical problems. Although numerical modelling of flow scenarios is the cutting edge of flow modelling, there seems to be room for ...
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J. Braz. Soc. Mech. Sci. & Eng. vol.29 número2
... logarithmic velocity profile can be obtained using dimensional arguments alone, and that in such analysis, the viscous effects are present only through the wall shear stress (Landau and Lifshitz, 1987) it ...
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Analytical solution for fully developed channel and Pipe Flow of Phan-Thien/Tanner Fluids
... It is often more convenient to work with the non-dimensional form of this equation, obtained after scaling distances with H, velocities with the cross-sectional average velocity ¯u and stresses or pressure with ...
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Implied dynamics biases the visual perception of velocity.
... models, velocity judgments on oscillating targets should depend not only on visual cues, but also the a priori likelihood that either gravitational or elastic forces (or both) are at ...harmonic velocity ...
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Force-velocity measurements of a few growing actin filaments.
... force-velocity profile generated by the growth of a densely branched network comprising thousands of filaments has been measured by several groups ...force-velocity profile of a controlled, ...
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Velocity control of a two DOF walking system
... The obtained approximations were used to control the hopper in manner similar to the train- ing simulation. The parameters used were the same, except for T swing,hip . This parameter was adjusted between every two ...
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Arq. Bras. Cardiol. vol.93 número2 en v93n2a18
... The differentiation between HFNEF and HFREF is based on the EF measurement by Doppler echocardiography, and this gives the impression that patients with HFNEF have only diastolic function changes with preserved systolic ...
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Can the curriculum be used to estimate critical velocity in young competitive swimmers?
... The use of only two distances in the assessment of the CV is due, naturally, to worries related to swimmer evaluation by coaches. From a theoretical point of view, the more distances that are included the better, because ...
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Harmonic analysis on the proper velocity gyrogroup
... allowing the consideration of the translates of the object under study (functions, measures, etc.). On real hyperbolic space the same approach can be done considering the gyrogroup structure underlying hyperbolic space. ...
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The Interaction Between Intra-Cyclic Variation of the Velocity and Mean Swimming Velocity in Young Competitive Swimmers
... The quadratic models were the ones with the best goodness-of- fi t and the lowest error of estimation for all swimming tech- niques. As for land-based locomotion techniques, the dv-v relationship is described as being ...
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The Interaction Between Intra-Cyclic Variation of the Velocity and Mean Swimming Velocity in Young Competitive Swimmers
... The quadratic models were the ones with the best goodness-of- fi t and the lowest error of estimation for all swimming tech- niques. As for land-based locomotion techniques, the dv-v relationship is described as being ...
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His bundle activates faster than ventricular myocardium during prolonged ventricular fibrillation.
... conduction velocity during the time- course of ...conduction velocity of 94% of sinus rhythm, which gradually decreased to 67% of sinus rhythm conduction at 8 minutes of ...conduction velocity from ...
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