Article ID Journal Published Year Pages File Type
5186405 Polymer 2007 6 Pages PDF
Abstract

In this study, we present a unique approach to calculate the shear viscosity and shear rate with the pressure drop and flow rate data from a channel having a rectangular cross-section with a height-to-width ratio (H/W) of close to one. The derived equation was verified with experimental data from rectangular dies whose height-to-width ratio (H/W) ranges from 0.1 to 1. It was confirmed that the proposed approach is reliable for the calculation of the shear viscosity and shear rate from the flow data in a rectangular channel.

Related Topics
Physical Sciences and Engineering Chemistry Organic Chemistry
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