An assessment of cogswell's method for m
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C. Kwag; J. Vlachopoulos
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Article
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1991
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Society for Plastic Engineers
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English
โ 519 KB
## Abstract Cogswell's method for measurement of extensional viscosity by determining the entry pressure loss in capillary viscometry is critically examined. Comparisons are made between extensional viscosity values introduced in finite element calculations as input data and predictions based on th