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Orifice plate is used for flow rate measuring in pipe systems. With orifice plate, pressure drop
is created. Based on the value of pressure drop, flow rate can be calculated. This instrument
is very practical for large tube diameters and for dirty fluid when turbines are not applicable.
Measure pressure drop from position 1 to position 2 and calculate flow rate and more with
this easy to use calculator
Orifice plate calculator
can be used for both liquids and gases. Fluid is considered as incompressible,
so density (rho) and temperature (T) are constant through tube. Also, gas is considered as ideal.
Theory used for orifice plate flow calculation
Flow through nozzles and orifices
General energy equation - Bernoulli theorem
Reynolds number
Flow mean velocity
note: calculator requires Java.
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