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- Thread starter infamous_Q
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- #1

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- #2

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use Bernoulis Equation.

[tex] PE = P_{atm} + \rho gh + \frac{1}{2} \rho v^2 [/tex]

Regards,

Nenad

[tex] PE = P_{atm} + \rho gh + \frac{1}{2} \rho v^2 [/tex]

Regards,

Nenad

- #3

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Patm...no idea

p = density

g = no idea

h = no idea

v = velocity

thats bad i know..but could you maybe help me fill in the blanks?

- #4

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Patm is Atomspheric Pressure

g is gravity of course

h is height

g is gravity of course

h is height

- #5

FredGarvin

Science Advisor

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In hydraulic systems, one simply uses

Power = p * Q

Where:

p = pressure

Q = Volumetric flow rate

You can do that here, but you'll have some pretty decent errors due to the high compressibility of air vs. hydraulic fluid and availability to do work.

- #6

Clausius2

Science Advisor

Gold Member

- 1,435

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infamous_Q said:

The amount of energy stored by a fluid is its total entalphy:

[tex] h_t=e+v^2/2+P/\rho=c_pT+v^2/2[/tex](J/Kg) in the case of an ideal gas.

In order to determine the total content of energy of a gas you need a mechanic variable such us velocity and two thermodynamic variables (P,T). If the flow is at low Mach numbers, it is only needed one thermodynamic variable and one mechanic variable because thermal and mechanical states become discoupled.

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