Wastewater Screening Design Calculator

Water Wastewater Treatment - Bar Racks and Fine Screens

Solving for channel upstream velocity.

channel upstream velocity


openings flow velocity (V)
headloss (hL)
gravity acceleration (g)


openings flow velocity (V)
= 0
= 0
headloss (hL)
= 0
= 0
gravity acceleration (g)
= 0
= 0


upstream approach velocity (v)

Other Units:

Change Equation
Select an equation to solve for a different unknown

Bar Racks
bar rack headloss bar rack headloss
flow velocity through the openings flow velocity through the openings
upstream velocity upstream velocity
acceleration of gravity acceleration of gravity

Fine Screens
fine screen headloss fine screen headloss
flow rate or discharge through the screen flow rate or discharge through the screen
submerged screen effective area submerged screen effective area
screen coefficient of discharge screen coefficient of discharge
acceleration of gravity acceleration of gravity

References - Books:

George Tchobanoglous, Franklin L. Burton. 1991. Wastewater Engineering Treatment, Disposal and Reuse. McGraw Hill, Inc.

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by Jimmy Raymond

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