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Polymer Rheology A polymer melt flows through a capillary die of diameter 3mm and length 25mm at a rate of 5105m3s1. The flow behaviour obeys

Polymer Rheology
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A polymer melt flows through a capillary die of diameter 3mm and length 25mm at a rate of 5105m3s1. The flow behaviour obeys the power law model, with a value of the exponent n of 0.35 and constant K of 40kNsnm2. Calculate the true shear strain rate and the shear stress. Hence estimate the pressure drop in the die

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