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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Due to their hydrophilic component, polyol, the PEPO thickeners provide more Newtonian flow characteristics.
Comparison of present results with the literature values for Newtonian flow Source [C.
A second beneficial feature for implementing PIV in molten plastic flow involves the shear thinning characteristics of the fluid that blunt the flow profile when compared with an equivalent Newtonian flow.
The results for the Newtonian flow are discussed first followed by those for the shear-thinning case.
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.