# Acoustic Flow Meter Equations Calculator

Fluid Mechanics Hydraulic Design Formulas

Solving for acoustic signal downstream travel time. ## Inputs:

average axial velocity of water flow (Vaxial)
angle between acoustic path and the pipe's longitudinal axis (θ)
average axial velocity of water flow (L)
acoustic signal upstream travel time (tu)

## Conversions:

average axial velocity of water flow (Vaxial)
= 0
= 0
meter/second
angle between acoustic path and the pipe's longitudinal axis (θ)
= 0
= 0
average axial velocity of water flow (L)
= 0
= 0
meter
acoustic signal upstream travel time (tu)
= 0
= 0
second

## Solution:

acoustic signal downstream travel time (td)
= NOT CALCULATED

## Other Units:

Change Equation
Select to solve for a different unknown

acoustic flowmeter average axial velocity of water flow acoustic path length between transducer faces angle between acoustic path and the pipe's longitudinal axis acoustic signal downstream travel time acoustic signal upstream travel time

References - Books:
U.S. Department of the Interior Bureau of Reclamation. Water Resources Research Laboratory: Water Measurement Manual. Washington DC, 2001.

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By Jimmy Raymond Contact: aj@ajdesigner.com