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REVISTA DE CHIMIE
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https://doi.org/10.37358/Rev.Chim.1949

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Revista de Chimie (Rev. Chim.), Year 2004, Volume 55, Issue 1,





Effects superposition in the Calculus of Pressure Gradient for Non-Newtonian Fluids flow
Cosmin V. Jinescu, Alexandru Woinaroschy

Abstract:

Based on the principle of critical energy, a relationship for the effects superposition of the Coutte and Poiseuille flows is established. For a non-newtonian power-law fluid, the pressure gradient relationship for flow under pressure through a section with one mobile wall was determined. The obtained result was transcribed to the calculus of the pressure gradient in the screw channel of an extruder. Keywords: superposition, non-newtonian, power-law fluid, pressure gradient

Issue: 2004, Volume 55, Issue 1
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