Abstract
A self-developed experimental facility by the national engineering research center of novel equipment for polymer processing, named as a coaxial barrel dynamic rheometer, is used to test the Weissenberg number and the first and the second normal stress difference coefficient for polymer melt and the effect of vibration parameters on them in vibration shear field. At the same time, it can be used the synergetics analysis method into explain the effects of elasticity stability of polymer melts. The testing principle of the rheometer is to transform the shear power of a motor and extrusion pressure in shear field to melt viscosity. The shear field can simulate orthogonal superposed vibratory flow, boundary vibrating pressure flow, and their combined flow. By comparing equation predictions with experimental results, a satisfied-qualitatively and reasonable-quantitatively predictive ability is shown, which verifies the work of mathematical derivations.
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