velocity gradient
The turbulence velocity gradient tensor formed additively by normal and non-normal tensors
... where velocity derivatives dominate, all locations are ...the velocity gradient tensor into normal and non-normal ...the velocity gradient tensor, their Q − R representations are ...
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Synthetic velocity gradient tensors and the identification of statistically significant aspects of the structure of turbulence
... Synthetic velocity gradient tensors for incompressible turbulence, formed by imposing a divergence-free constraint on a 3 × 3 set of independent, Gaussian random variables, have been used for some time for ...
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The 2011 off the Pacific coast of Tohoku Earthquake related to a strong velocity gradient with the Pacific plate
... Fig. 3. Map view of P-wave velocity perturbation within the Pacific plate 10 km beneath the upper boundary of the Pacific plate. Red star on B–B = H–H shows the location of the hypocenter of the 2011 Tohoku ...
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Path-integrated Lagrangian measures from the velocity gradient tensor
... by velocity data from different sources as models or measured data, or it can be another dynamical system not related to fluids (Tanaka and Ross, 2009; Kuehl and Chelidze, ...
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On the effect of segregation on intense bimodal bed load
... the gradient of the linear velocity profile increases with the Shields parameter offers a hypothesis explaining the thickening of the interfacial layer in bimodal flow at higher bed shear (Figure ...bigger ...
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Clarification of Pharmaceutical Wastewater with Moringa Oleifera: Optimization Through Response Surface Methodology
... Many efective factors influence the perfor- mance of the coagulation-flocculation process, such as coagulant dosage, flocculant dosage, initial potential of hydrogen (pH) and velocity gradient of ...
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Gyrokinetic Analyses of Core Heat Transport in JT-60U Plasmas with Different Toroidal Rotation Direction
... via actual equilibria, etc. Recently, a toroidal flow shear ef- fect has been implemented and studied in some gyrokinetic codes. These studies demonstrate turbulent transport with the flow shear (see e.g., Refs. ...
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Effect of transverse pitch on forced convective heat transfer over single row cylinder
... higher velocity near the surface of the cylinder for small pitch ...the velocity profiles in the boundary layer, a higher velocity gradient at the wall and a thicker boundary ...
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The Formation Conditions of the Wide Binary Class 0 Protostars within BHR 71
... total velocity change is about 0.15 - 0.2 km s −1 , corresponding to a gradient of about 1 km s −1 pc −1 ...the velocity gradient more quantitatively by fitting the slope of a 1D cut along the ...
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Three dimensional flow structures and evolution of the leading edge vortices on a flapping wing
... the velocity gradient tensor ( u) based vortex identification criterion was applied, which effectively visualized accurately those vortical structures that could not be obtained from qualitative ...
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A Theoretical Solution for the Reynolds Stress: Validations in Canonical Flow Geometries
... A theoretical approach is developed for solving for the Reynolds stress in turbulent flows, and is validated for canonical flow geometries (flow over a flat plate, rectangu- lar channel flow, and free turbulent jet). The ...
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Geometrical statistics of fluid deformation: Restricted Euler approximation and the effects of pressure
... The geometrical statistics of fluid deformation are analyzed theoretically within the framework of the restricted Euler approximation, and numerically using di- rect numerical simulations. The restricted Euler analysis ...
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Echocardiographic evidence of left ventricular untwisting-filling interplay
... filling velocity (assessed by E) and myocardial lengthening velocity (assessed by e’ and ...lengthening velocity was shown to be determined by LV suction, in addition to LV lengthen- ing load and ...
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Momentum and Heat Transfer Studies. I. Transfer of Heat and Momentum in Uniform Turbulent Air Streams. II. Continuous Velocity Measurements by the Hot Wire Method
... These values depended upon accurate measurements of shear, thermal flux, velocity gradient, and temper- ature gradient.. Corrections were made to past values of shea[r] ...
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Vol 2, No 5 (2011)
... The equations above include the scalar pressure p, the identity tensor I , the dynamic viscosities and , the relaxation time m, the slip parameter e and the respective symmetric and skew symmetric part of the ...
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Dynamics of left ventricular ejection in obstructive and nonobstructive hypertrophic cardiomyopathy
... flow velocity and high fidelity left ventricular and aortic pressures were recorded during rest (n = 47) and provocative maneuvers (n = ...flow velocity and angiographic ...
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Variations of phase velocity and gradient values of ULF geomagnetic disturbances connected with the Izu strong earthquakes
... Fig. 2. Variations of parameters of geomagnetic pulsations (T = 24 s) during period 1 April – 25 July 2000 (nighttime intervals 00:00–07:00 LT). Kakioka, Kamo, Seikoshi and Mochikoshi mag- netic stations (Japan). (a) ...
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Mathematical Modelling on blood flow through Stenosed artery under the influence of Magnetic field
... Pressure gradient increases with increase in Hartman number while curve of Pressure gradient decreases as stenosis height decreases but attains the same value at the extremities for different Hartmann ...
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A XFEM Lagrange Multiplier Technique for Stefan Problems
... A detailed convergence study for different time steps and mesh sizes would be influenced by the accumulated error in the level set field, mak- ing comparisons between algorithms difficult. However, a convergence study ...
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Release of Envelope Glycoprotein from Rabies Virions by a Nonionic Detergent
... After fractionation of treated uAs by velocity centrifugation in a sucrose density gradient, the amount of residual glycoprotein recovered in the "core" particle fraction and the extent [r] ...
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