Newtonian flow


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Related to Newtonian flow: plastic flow

Newtonian flow

[′nü′tō·nē·ən ′flō]
(fluid mechanics)
Flow system in which the fluid performs as a Newtonian fluid, that is, shear stress is proportional to shear rate.
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Comparison of present results with the literature values for Newtonian flow Source [C.
28, 29] demonstrated that neutrally buoyant rigid spherical particles moved laterally, a phenomenon that would not be observed in Newtonian flows.
It is worth noting that the relative error in the case of the polymer solution displacement is of the same order as that for the Newtonian flow.
Although the flow pattern between the viscoelastic fluid flow and the Newtonian flow is similar, the flow deflection occurs in the case of the viscoelastic fluid, which may be due to the influence of the viscoelastic force of the fluid.
Besides analytical expressions for definition of velocity and volumetric flow rate for case |b| [much less than] 1, that is, in Newtonian flow of polymers can be obtained from expressions 20 and 21.
The streamline patterns for power law fluids were qualitatively similar to low Re Newtonian flow (18), where a single primary vortex fills up the entire cavity.
Instead, an apparent radius was calculated from the analytical Newtonian flow conductance of a tapered segment.
In Generalized Newtonian flow (GNF), the fully developed flow condition in a duct is rectilinear with no secondary flow (i.
However, we assume Newtonian flow (n = 1) in the whole stage of flash generation.
The subscript n denotes the Newtonian flow while the subscript p denotes the second-order fluid flow.