Introduction of Fluid Mechanics

🔸Introduction of Fluid Mechanics🔸

Fluid Mechanics 

"IT IS A BRANCH OF SCIENCE WHICH DEALS WITH STUDY OF FLUID IN REST OR IN MOTION"

●Fluid is a substance which deforms continuously under the action of shear stress. The magnitudes of shear stress have no matter.

● Fluid = Any substance in gaseous or liquid phase is called as Fluid

● When shear stress removes, fluid never regain its original shape.
● At rest no shear force act in liquid.
● Fluid is considered to be continuum.

● Continuum fluid =Fluid is a continuous, homogeneous matter with no holes that is a continuum.

● Liquid = take shape of container form free surface.

● Gases = Cover the whole volume of container and gases doesn’t form free surface

● Ideal fluid = Ideal fluid is assumed to be incomprehensible and non-viscous.

●Real fluid = Real fluid is assumed to be viscous and finite compressibility and surface tension.

Fluid Mechanics classified into two types:-

1) Fluid Statics = Fluid in rest condition

2) Fluid Dynamics = Fluid in motion with or without considering forces.

● Kinetics= it is study of fluid in motion with considering forces

● Kinematics= it is study of fluid in motion without considering forces

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