Question

application of Bernoulli principal​

Answer 1

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One of the most common everyday applications of Bernoulli's principle is in airflight. The main way that Bernoulli's principle works in air flight has to do with the architecture of the wings of the plane. An airplane is also acted upon by a pull of gravity in which opposes the lift, drag and thrust.

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Answer 2

Answer: Bernoulli's principle states that sum of pressure energy, kinetic energy and potential energy per unit volume of an incompressible, non- viscous fluid in a streamlined irrational fluid remains constant throughout the flow, provided there is no source or sink of the fluid along the length of the pipe.

p1+1/2ρv1^2+ρgy1=p2+1/2ρv2^2+ρgy2

This is Bernoulli's Equation

Explanation: Application of Bernoulli's principle are:

Bernoulli’s principle is used for studying the unsteady potential flow which is used in the theory of ocean surface waves and acoustics. It is also used for approximation of parameters like pressure and speed of the fluid.

The other applications of Bernoulli’s principle are:

Venturi meter: It is a device that is based on Bernoulli’s theorem and is used for measuring the rate of flow of liquid through the pipes.

Working of an aeroplane: The shape of the wings is such that the air passes at a higher speed over the upper surface than the lower surface. The difference in airspeed is calculated using Bernoulli’s principle to create a pressure difference.

When we are standing on a railway station and a train comes we tend to fall towards the train. This can be explained using Bernoulli’s principle as the train goes past, the velocity of air between the train and us increases. Hence, from the equation, we can say that the pressure decreases so the pressure from behind pushes us towards the train. This is based on the Bernoulli’s effect.