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Bernoulli’s Principle and Equation
During 17th century, Daniel Bernoulli investigated the forces present in a moving fluid, derived an equation…
Posted inHydraulics and Fluid Mechanics
Atmospheric Pressure, Gauge Pressure and Absolute Pressure
The atmospheric air exerts a normal pressure upon all surfaces with which it is in…
Posted inHydraulics and Fluid Mechanics
Equilibrium of Floating Bodies
The equilibrium of floating bodies is of the following three types: 1. Stable equilibrium. If a…
Posted inHydraulics and Fluid Mechanics
Important Expressions used in Orifices and Mouthpieces
The following are the important expressions used in orifices and mouthpieces including discharge through large…
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Important Expressions used in Notches and Weirs
The following are the important expressions used in notches and weirs. (a) Discharge over a…
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Equation of Continuity
If an incompressible liquid is continuously flowing through a pipe or a channel (whose cross…
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Dynamics of Fluid
Fluid dynamics is "the branch of applied science that is concerned with the movement of…
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Buoyancy and buoyant force
When a body is immersed wholly or partially in a liquid, it is lifted up…
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Bernoulli’s Equation
The Bernoulli's equation states that 'For a perfect incompressible liquid, flowing in a continuous stream,…
Posted inHydraulics and Fluid Mechanics
Euler’s Equation
The Euler's equation in the differential form for the motion of liquids is given as…