Question: Problem 3. The following information for a screw extrusion for plastic processing are given. Screw channel depth =6.86mm Channel width 126mm Barrel diameter =152.4 Helix

Problem 3. The following information for a screw extrusion for plastic

Problem 3. The following information for a screw extrusion for plastic processing are given. Screw channel depth =6.86mm Channel width 126mm Barrel diameter =152.4 Helix angle 21 degree Rotational speed 100rpm (revelation per minutes) Shear stress =40KPa Assume a Newtonian melt and Pressure drop 100Pa per unit length 5 points a Viscosity b Net volume flow rate

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