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A criterion for fully developed flow of polymer melts in a circular tube

โœ Scribed by Chang Dae Han; Marvin Charles

Publisher
American Institute of Chemical Engineers
Year
1970
Tongue
English
Weight
301 KB
Volume
16
Category
Article
ISSN
0001-1541

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## Abstract We present the mathematical equations that govern heat transfer in a polymer melt flowing in a circular tube with constant ambient temperature, taking into account the viscous dissipation effects. This leads to a nonlinear parabolic partial differential equation. It is shown that the ex