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A space of 25 between tWo surraces th SAF west lubricating oil at 250C (u = 0.18 Ns/m?). Plot the velocity profile and determine the force which is %3D required to drag a thin plate (speed 0.4 m/s) of 0.35 m2 area located at a distance of 10 mm from the top plate i. If the surfaces are fixed ii. If the top surface is fixed and bottom surface is moving at a constant velocity of 0.1 m/s in the direction of the plate

A space of 25 between tWo surraces th SAF west lubricating oil at 250C (u = 0.18 Ns/m?). Plot the velocity profile and determine the force which is %3D required to drag a thin plate (speed 0.4 m/s) of 0.35 m2 area located at a distance of 10 mm from the top plate i. If the surfaces are fixed ii. If the top surface is fixed and bottom surface is moving at a constant velocity of 0.1 m/s in the direction of the plate

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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(a) A space of 25 mm width between two surfaces filled with SAE 30 western lubricating oil at 250C (u = 0.18 Ns/m?). Plot the velocity profile and determine the force which is required to drag a thin plate (speed = 0.4 m/s) of 0.35 m? area located at a distance of 10 mm from the top plate i. If the surfaces are fixed ii. If the top surface is fixed and bottom surface is moving at a constant velocity of 0.1 m/s in the direction of the plate = 4 = iii. If the top surface is fixed and bottom surface is moving at a constant velocity of 0.1 m/s in the opposite direction of the plate
Transcribed Image Text:(a) A space of 25 mm width between two surfaces filled with SAE 30 western lubricating oil at 250C (u = 0.18 Ns/m?). Plot the velocity profile and determine the force which is required to drag a thin plate (speed = 0.4 m/s) of 0.35 m? area located at a distance of 10 mm from the top plate i. If the surfaces are fixed ii. If the top surface is fixed and bottom surface is moving at a constant velocity of 0.1 m/s in the direction of the plate = 4 = iii. If the top surface is fixed and bottom surface is moving at a constant velocity of 0.1 m/s in the opposite direction of the plate
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