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# nserv - A Basic Introduction to Fluid Mechanics In 12m x...

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A Basic Introduction to Fluid Mechanics

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In 12m x 24m Tunnel In 24 m x 36 m Tunnel
Automobile Wind Tunnels

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Introduction to Fluid Mechanics
What is a fluid? This course involves about half of the universe: All matter exists in either the solid or the fluid state. Matter Solid Fluid Liquid Gas

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SIGNIFICANCE? square4 Fluids play a vital role in our lives: o Breathing air, flow of blood in our veins arteries o Flow of water in our everyday life o Energy generation through water, gas and wind turbines o Wheather prediction o aircraft, missiles and rockets o application of the principles of fluid mechanics is virtually required in analysing and designing any system in which fluid is a working medium.
square4 What is a difference between a fluid and a solid ? o In solids, the intermolecular forces are rather large, and relative positions of molecules are fixed in space. o Fluid molecules are rather mobile. Fluid particles – a chunk of fluid molecules- move easily and change their relative position. square4 Fluid is such a substance that will continuously deform under the action of a shear stress . square4 That is, any substance you can stick your finger in is a fluid. square4 A solid on the other hand can resist a shear stress provided the shear stress force does not exceed the elastic limit of the material. Ex: moving wall and fluid.

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square4 Fluid Mechanics deals with the behavior of fluids under forces acting on it. square4 It is a precursor of Aerodynamics , which deals with the external flow of air past aircraft, rockets. Content:
Fluid Mechanics Fluid Statics Fluid Dynamics Computational Fluid Dynamics Hydrodynamics Gas dynamics External Flows-Aerodynamics

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Mechanics is the oldest physical science that deals with both stationary and moving bodies under the influence of forces.
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