Venturi Meter Design Equations Calculator

Fluid Mechanics Hydraulics Formulas

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 to solve for a different unknown
flow rate equationSolve for flow rate
pressure differentia equationSolve 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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