Question 3The diameter of an extruder barrel is 65 mm and its length is 1.75 m. The screw rotates at 55rev/min. The screw channel depth is 5.0 mm, and its flight (helix) angle is 18°. The headpressure at the die end of the barrel is 5x10° Pa. The viscosity of the polymer melt is given as100 Pa-s. Calculate the volume flow rate of polymer in the barrel.The drag flow is given by the equation:Qa = 0.5 n² D² N d̟ sinp cospThe back pressure flow is given by the equation:Pn D dễ sin²4Qb127LThe details of the extruder screw are given in figure 3.1W.channelwidthPerpendicularPitchHelix( pangle()DChannel depth de|Axial|light|widthAxialchannelwidthPerpendicularflight-Direction of mass flow-Figure 3.1. Schematic illustration of a typical "Archimedean" extruder screw.widthRootdiameterdiameter

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Question 3 The diameter of an extruder barrel is 65 mm and its length is 1.75 m. The screw rotates at 55 rev/min. The screw channel depth is 5.0 mm, and its flight (helix) angle is 18°. The head pressure at the die end of the barrel is 5x10° Pa. The viscosity of the polymer melt is given as 100 Pa-s. Calculate the volume flow rate of polymer in the barrel. The drag flow is given by the equation: Qa = 0.5 n² D² N dc sinp cosq The back pressure flow is given by the equation: Pn D dž sin²o Qb = 12nL The details of the extruder screw are given in figure 3.1

Question 3 The diameter of an extruder barrel is 65 mm and its length is 1.75 m. The screw rotates at 55 rev/min. The screw channel depth is 5.0 mm, and its flight (helix) angle is 18°. The head pressure at the die end of the barrel is 5x10° Pa. The viscosity of the polymer melt is given as 100 Pa-s. Calculate the volume flow rate of polymer in the barrel. The drag flow is given by the equation: Qa = 0.5 n² D² N dc sinp cosq The back pressure flow is given by the equation: Pn D dž sin²o Qb = 12nL The details of the extruder screw are given in figure 3.1

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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