Browsing by Subject "Flow measurement"
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Article
Sharkskin and oscillating melt fracture: Why in slit and capillary dies and not in annular dies?
(2008)The sharkskin and stick-slip polymer extrusion instabilities are studied primarily as functions of the type of die geometry. Experimental observations concerning the flow curves, the critical wall shear stress for the onset ...
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Article
Time-dependent compressible extrudate-swell problem with slip at the wall
(1994)We solve the time-dependent compressible Newtonian extrudate-swell problem with slip at the wall, in an attempt to simulate the stick-slip extrusion instability. An arbitrary nonlinear slip model relating the shear stress ...