Strain-coupling effects in start-up experiments |
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| Authors: | Prof. James S. Vrentas C. M. Vrentas |
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| Affiliation: | (1) Department of Chemical Engineering, Pennsylvania State University, 16802 University Park, Pennsylvania, USA |
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| Abstract: | A strain-coupling integral constitutive equation is used to analyze a start-up shear flow experiment. The theory is used to examine the effect of strain-coupling on the strain at the maximum in the shear stress-time curve. The analysis shows that there is a significant dependence of this strain on the shear rate even when a factorable strain-coupling model is used. |
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| Keywords: | Strain coupling start-up experiment nonlinear viscoelasticity |
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