Venturi Meter Design Equations Formulas Calculator

Fluid Mechanics Hydraulics

The venturi meter device measures the flow rate or velocity of a fluid through a pipe. The equation is based on the Bernoulli equation, conservation of energy, and the continuity equation.


Solving For Flow Rate

flow rate equation

Inputs:

Area 1
Area 2
Pressure 1
Pressure 2
Density


Conversions:

Area 1
= 0
= 0
meter^2
Area 2
= 0
= 0
meter^2
Pressure 1
= 0
= 0
pascal
Pressure 2
= 0
= 0
pascal
Density
= 0
= 0
kilogram/meter^3


Solution:

Flow rate (Q)
= NOT CALCULATED 


Other Units:



Change Equation
Select an equation to solve for a different unknown

flow rate equation Solve for flow rate
pressure differentia equation Solve for pressure differential

Where
Q  =  flow rate
A1  =  Area 1 
A2  =  Area 2 
P1  =  Pressure 1 
P2  =  Pressure 2
rho  =  density



References - Books:

Munson, B.R., D. F. Young, and T. H. Okiishi. 1994. Fundamentals of Fluid Mechanics. John Wiley and Sons, Inc. 2nd ed.


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