Chinsoowei
Mechanical
I need to find out the flowrate of compressed air for air nozzle. Anyone knows the formula to calculate the flowrate?
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Calculation of compressed air flowrate
- Thread starter Chinsoowei
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There are several formulae. Some are more/less convenient depending on the data you have handy. Here is one:
mass flow rate = P*A*M*(gamma/(R*T))^0.5
where
P is static pressure
A is area
M is mach number
gamma is ratio of specific heats (1.4 for air)
R is gas constant
T is static temperature
Make sure you use consistent units and make sure that P, A, M, and T are values from the same cross section of the flow.
If your flow is choked, the formula can be simplified.
Haf
mass flow rate = P*A*M*(gamma/(R*T))^0.5
where
P is static pressure
A is area
M is mach number
gamma is ratio of specific heats (1.4 for air)
R is gas constant
T is static temperature
Make sure you use consistent units and make sure that P, A, M, and T are values from the same cross section of the flow.
If your flow is choked, the formula can be simplified.
Haf
patrickraj
Chemical
Give temp,Press,linesize and fittings.I give you flow and also whether the fluid is chocked or not.
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