Poiseuille flow


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Related to Poiseuille flow: plane Poiseuille flow, Couette flow

Poiseuille flow

[pwä′zə·ē ‚flō]
(fluid mechanics)
The steady flow of an incompressible fluid parallel to the axis of a circular pipe of infinite length, produced by a pressure gradient along the pipe.
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where the Darcy-Weisbach friction factor f is 64/Re for Poiseuille flow (see (6.
Couette and Poiseuille flows of an Oldroyd 6-constant fluid with magnetic field in a channel was investigated by Hayat et al.
4]) is the dissipation in the Poiseuille flow through the tube with an impermeable wall, [epsilon] [THETA]/Q is the ratio between the outflow through the wall and the inflow at the tube inlet.
Assuming Poiseuille flow in the crevice the drag force is:
On average, all of the molecules move with roughly the same speed, negating the dispersion effect of Poiseuille flow.
46] From clearance volume to muffler 1 (1) Flow is designated as (1) isentropic flow of compressible ideal gas, (2) mixed plane Couette flow and Poiseuille flow, or (3) laminar viscous flow into the chamber and isentropic flow out of the chamber.
Radhakrishnan, "Investigation of Poiseuille Flow of Concentrated Monodisperse and Bidisperse Suspensions," Ph.
We consider three different types of flows, Couette flow, Poiseuille flow and generalized Couette flow depending upon the relative motion of the plates.
19716 Two-dimensional simulations of flow instability at the interface of a three-layer, density-matched, viscosity-stratified Poiseuille flow are performed using a front-tracking/finite difference method.
The study is organized as follows: In Five Classical Slip Models section, five classical different slip mechanisms and models of Poiseuille flow in the circular tube were recalled and presented.
We note that DC EO velocity, unlike pressure-driven Poiseuille flow, is independent of the channel dimension.
Regarding the interfacial defects of coextrusion, a large number of literatures have come up reporting on the theoretical and experimental advances and the underlying origins from both mechanical and numerical approaches |1], Yih [12] was the first who conducted a systematic numerical study on the stability of plane Poiseuille flow of two Newtonian fluids considered within a framework of linear stability theory and he pointed out that the viscosity difference can cause instability regardless of the Reynolds number.