Importance of Viscosity in Real Life - Properties of Fluid Mechanics

What is the importance of viscosity, Importance of Viscosity of Fluids in Real life, Fluid Mechanics Study Materials

Viscosity Importance

Both Civil and Mechanical Engineering students have to study fluid mechanics in their Engineering degree. The important property of Fluids are its Viscosities. There are two kinds of viscosities dynamic viscosity and kinematic viscosity.
Dynamic Viscosity is denoted by μ . It is the resistive force between adjacent fluid layers or it is a property of a fluid which offers resistance to the movements of one fluid layer over the adjacent layer of fluid.

Importance of Viscosity

toothpaste viscosity

Viscosity of fluid has very important role in industry. For eg: consider a toothpaste. The flow of toothpaste from the tube should be optimized so that we don't have to apply high pressure to take out the toothpaste from the tube or while applying small pressure excess toothpaste should not come. Here the speed of fluid flow is determined by the viscosity. If the viscosity is too high the velocity of flow will be very low to flow through the tube and if the viscosity is very low, the velocity of flow will be high.

In Automobile Industry

gear oil viscosity

In automobile industry oil is having very importance in all machine parts. So the viscosity of oil has an important role in automobile industry. Viscosity effects the heat generation in bearings, cylinders and gears. When machine parts come in contact temperature increases. When temperature increases the viscosity of liquid decreases. If we select wrong oil (having wrong viscosity at high temperature) it will damage the machine parts.
In cold areas when temperature decreases, the viscosity of the liquid increases. If we select wrong oil having wrong viscosity it will also effect cold starting.
So Viscosity is having an important role in Automobile and other mechanical industry.

In Food Industry

ghee production viscosity

In food industry the food parts are flowing through pipes. So that all the pipes should be inclined at angle, which will make the food flow smooth. The food parts will have a viscosity. Since we know the viscosity of the food part, we can calculate the angle of inclination for the flow.
Consider an example of a Ghee production unit. Since the Ghee is having a specific viscosity, its flow through a pipe and its speed can be optimized. So that overflow will not takes place.

In Adhesives

Adhesive viscosity

If we want to use an adhesive at a point, we have to use adhesive having high viscosity. So that it will not spread to whole area while applying adhesives. And if we want to join two planes the adhesive should spread the area. Which means we have to use adhesives with lower viscosity

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Careerdune Free PSC Study Materials Question Bank Mock Tests: Importance of Viscosity in Real Life - Properties of Fluid Mechanics
Importance of Viscosity in Real Life - Properties of Fluid Mechanics
What is the importance of viscosity, Importance of Viscosity of Fluids in Real life, Fluid Mechanics Study Materials
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