Question

☞ Explain BERNOULLI'S PRINCIPLE.

Also write its Applications.

Answer 1

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BERNOULLI'S PRINCIPLE

Bernoulli's principle, sometimes known as Bernoulli's equation, holds that for fluids in an ideal state, pressure and density are inversely related: in other words, a slow-moving fluid exerts more pressure than a fast-moving fluid. Since "fluid" in this context applies equally to liquids and gases, the principle has as many applications with regard to airflow as to the flow of liquids. One of the most dramatic everyday examples of Bernoulli's principle can be found in the airplane, which stays aloft due to pressure differences on the surface of its wing; but the truth of the principle is also illustrated in something as mundane as a shower curtain that billows inward.

Applicants of BERNOULLI'S PRINCIPLE:-

a) Siphoning

b) Flow obstruction metering devices (venturimeter, orificemeter, nozzlemeter)- here problem will be after application, some modifications should be added such as discharge coefficient, flow coefficient etc.

c) Any two points in the pipe if you are sure that limitations are not there.

d) Ideal flow or potential flow (source, sink, doublet etc)

e) Far away from boundary where no slip condition can not show its presence.

Answer 2

Explanation:

Bernoulli's principle says that in ideal state of fluids , the fluids have

$pressure \: \: is \: inversely \: \\ proportional \: to \: volume$

Applications are.....

1. Sulphoning
2. Potential flow