Theoretical predictions for upper-convected Maxwell fluids in mixed shear and planar extensional flows

Using a single flow-type parameter, we obtain analytic expressions for the unsteady and steady stress distribution for upper-convected Maxwell fluids in mixed shear and planar extensional flows, experimentally achieved in a four-roll mill. We propose two expressions to quantify the shear and extensi...

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Veröffentlicht in:	AIP advances 2020-05, Vol.10 (5), p.055017-055017-6
Hauptverfasser:	Castellanos Campillo, Alberto, Aguayo Vallejo, Juan Pablo, Herrera Nájera, Rafael, Chávez Castellanos, Ángel Enrique
Format:	Artikel
Sprache:	eng
Schlagworte:	Four roll mills Mathematical analysis Maxwell fluids Parameters Rheological properties Shear viscosity Strain rate Stress concentration Stress distribution
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