9- Oil (µ = 0.4 N · s/m²) flows between two fixed horizontal infinite parallel plates with a spacing of 5 mm. The flow is laminar and steady with a pressure gradient of -900 (N/m²) per unit meter. Determine the volume flowrate per unit width and the shear stress on the upper plate.

9- Oil (µ = 0.4 N · s/m²) flows between two fixed horizontal infinite parallel plates with a spacing of 5 mm. The flow is laminar and steady with a pressure gradient of -900 (N/m²) per unit meter. Determine the volume flowrate per unit width and the shear stress on the upper plate.

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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Concept explainers

Properties of Fluids

The term fluid represents a type of substance that can easily change its shape under any external pressure/force and can flow. Fluids can acquire any shape in which it is stored and can resist normal stresses but cannot resist shear stress in rest condition. Whenever external shear stress is applied to fluids, it starts to flow. The fluids may be liquid or gas. Example- water, air, etc.

Question

Oil (u = 0.4 N•s/m²) flows between two fixed horizontal
infinite parallel plates with a spacing of 5 mm. The flow is laminar
and steady with a pressure gradient of – 900 (N/m²) per unit meter.
Determine the volume flowrate per unit width and the shear stress
on the upper plate.
9-

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