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Consider an extruder in which the barrel diameter = 4.5 in and length = 11 ft. The extruder screw rotates at 60 rev/min; it has channel depth = 0.35 in and flight angle = 20°. The plastic melt has a shear viscosity = 125 x 10 lb-sec/in'. Determine: (a) Qmax and pmusi (b) the shape factor K, for a circular die opening in which Da = 0.312 in and La = 0.75 in; and (c) the values of Q and p at the operating point.

Consider an extruder in which the barrel diameter = 4.5 in and length = 11 ft. The extruder screw rotates at 60 rev/min; it has channel depth = 0.35 in and flight angle = 20°. The plastic melt has a shear viscosity = 125 x 10 lb-sec/in'. Determine: (a) Qmax and pmusi (b) the shape factor K, for a circular die opening in which Da = 0.312 in and La = 0.75 in; and (c) the values of Q and p at the operating point.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Consider an extruder in which the barrel diameter = 4.5 in and length = 11 ft. The extruder screw rotates at 60 rev/min; it has channel depth = 0.35 in and flight angle = 20°. The plastic melt has a shear viscosity = 125 x 10 lb-sec/in'. Determine: (a) Qmax and pmusi (b) the shape factor K, for a circular die opening in which Da = 0.312 in and La = 0.75 in; and (c) the values of Q and p at the operating point.
Transcribed Image Text:Consider an extruder in which the barrel diameter = 4.5 in and length = 11 ft. The extruder screw rotates at 60 rev/min; it has channel depth = 0.35 in and flight angle = 20°. The plastic melt has a shear viscosity = 125 x 10 lb-sec/in'. Determine: (a) Qmax and pmusi (b) the shape factor K, for a circular die opening in which Da = 0.312 in and La = 0.75 in; and (c) the values of Q and p at the operating point.
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