نتایج جستجو برای: fluid stratified flow

تعداد نتایج: 700877  

Journal: :journal of computational applied mechanics 0
hadi ramin university of tehran mohammad pourjafar university of tehran

eunsteady slip-flow of second grade non-newtonian electrically conducting fluid over an oscillating sheet has been considered and solved numerically. a second-order slip velocity model is used to predict the flow characteristic over the wall. with the assumption of infinite length in the x-direction, the velocity of the fluid can be assumed as a function of y and t, hence, with proper change va...

Journal: :Proceedings of the Institute for System Programming of the RAS 2017

The two-fluid flow is produced by the combined effects of electroosmotic force in a conducting liquid and pressure gradient force in a non-conducting liquid. The Poisson-Boltzmann and Navier-Stokes equations are solved analytically; and the effects of governing parameters are examined. Poiseuille number increases with increasing the parameters involved. In the absence of pressure gradient, the ...

2011

This paper considers ‘diffusion-driven flows’, for which a temperature flux condition on a sloping non-slip surface in a stratified fluid generates a slow steady upward flow along a thin ‘buoyancy layer’. The principles for this steady-flow phenomenon are well-understood in a semi-infinite fluid and more recently have been applied to steady flows within a contained fluid under more general cond...

2011
M. S. Shadloo M. Yildiz

In this paper, we have modeled the Kelvin-Helmholtz Instability (KHI) problem of an incompressible two-phase immiscible fluid in a stratified inviscid shear flow with interfacial tension using Smoothed Particle Hydrodynamics (SPH) method. The time dependent evolution of the two-fluid interface over a wide range of Richardson number (Ri) and for three different density ratios is numerically inve...

Journal: :Journal of Fluid Mechanics 2005

2011
P. Meunier

Despite the large amount of research devoted to bluff body wakes [1], very few studies have focused on stratified wakes despite their obvious applications to geophysical flows. Moreover, most of these studies have studied the turbulent regime in the wake of a sphere or an ellipsoid [2,3], due to its naval applications for submarine wakes. These bluff bodies have a finite height, which leads to ...

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