# 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.

## Inputs:

Area 1 (A1)
Area 2 (A2)
Flow Rate (Q)
Density (rho)
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Area 1 (A1)
= 0
= 0
meter^2
Area 2 (A2)
= 0
= 0
meter^2
Flow Rate (Q)
= 0
= 0
meter^3/second
Density (rho)
= 0
= 0
kilogram/meter^3

## Solution:

Pressue Differential (P1 - P2)
= NOT CALCULATED

## Other Units:

Change Equation
Select to solve for a different unknown
 Solve for flow rate 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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By Jimmy Raymond

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