pressure vs velocity
waht is relation between pressure and velocity?
how we can get pressure from velocity(know factor is velocity)
how we can get pressure from velocity(know factor is velocity)
Replies
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Capt SparkSee Bernoulli's Equation: Bernoulli%27S Principle
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ShrinkDWorldplease always provide complete statement about your problem. So that all member can understand it.
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Ramani Aswath
They are unrelated properties. There is no relationship between the two. One cannot be derived from the other.mohan dwaht is relation between pressure and velocity?
how we can get pressure from velocity(know factor is velocity) -
ISHAN TOPRE
I haven't seen a mathematical relation either as Ramani sir rightly say. But what about pressure energy getting converted to kinetic energy?bioramaniThey are unrelated properties. There is no relationship between the two. One cannot be derived from the other.
A small leak in high pressure tank would issue a high velocity jet through it.
Also we should look at a diffuser, it reduces velocity while the pressure is less.
I believe Mr. Bernoulli can help here with his famous equation. I think using that equation would be a proper option (perhaps a little mathematical jugglery in that equation would help) -
Ramani Aswath
Yes and no. Bernoulli's theorem is applicable to a continuum and is only a consequence of conservation of energy in a flowing system. It is possible to have a pipe with a fluid flowing in it at any velocity and any pressure. It is only when you consider the flow in a pipeline at two different cross sections with steady state flow is the Bernoulli's principle applicable. In a gas in a closed system, the ideal gas law applies - p V = nRT. So there is a direct relationship between volume and pressure. Such is not the case with pressure and velocity. Even in Bernoulli's theorem pressure and velocity are not related. All that is implied is that the combined pressure, velocity and vertical height heads is constant at any cross section.ishutopreI haven't seen a mathematical relation either as Ramani sir rightly say. But what about pressure energy getting converted to kinetic energy?
A small leak in high pressure tank would issue a high velocity jet through it.
Also we should look at a diffuser, it reduces velocity while the pressure is less.
I believe Mr. Bernoulli can help here with his famous equation. I think using that equation would be a proper option (perhaps a little mathematical jugglery in that equation would help)
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