The space between two square flat parallel plates is filled with oil. Each side of the plate is 60 cm. The thickness of the oil film is 12.5 mm. The upper plate, which moves at 2.5 metre per sec requires a force of 98.1 N to maintain the speed. Determine : i.the dynamic viscosity of the oil, and ii.the kinematic viscosity of the oil if the specific gravity of the oil is 0.95.

The space between two square flat parallel plates is filled with oil. Each side of the plate is 60 cm. The thickness of the oil film is 12.5 mm. The upper plate, which moves at 2.5 metre per sec requires a force of 98.1 N to maintain the speed. Determine : i.the dynamic viscosity of the oil, and ii.the kinematic viscosity of the oil if the specific gravity of the oil is 0.95.

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

Example 5
The space between two square flat parallel plates is filled with
oil. Each side of the plate is 60 cm. The thickness of the oil
film is 12.5 mm. The upper plate, which moves at 2.5 metre per
sec requires a force of 98.1 N to maintain the speed.
Determine : -
i.the dynamic viscosity of the oil, and
ii.the kinematic viscosity of the oil if the specific gravity of the
oil is 0.95.

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