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Based on the energy conservation low, Venturi tube is one of the easiest to use,
not expensive and very accurate instrument for flow rate
measuring of watter, air, gas or any other fluid in pipe systems.
Measure pressure drop from the inlet to the throat and calculate
flow rate using this free calculator.
Flow through Venturi tube 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.
Read about used theory for pressure drop calculation.
note: calculator requires Java.
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