Recomendações
Orifice plateParshall flumeRectangular channel - critical flowCelerity in pipes filled with waterEstimated powerSigma Mechanized inclined screen grid
Perda de carga em grades de tratamento de água
Downflow
Upflow

Input data

Flow (Q)

Width (b)

Width (w)

Spacing (d)

Downflow level (y)

Inclination (𝝓)

β - Kirschmer

Output data

Upflow level (yM)

Upflow velocity (UM)

Energy (EM)

Head loss (HL)

Upflow level at 50% (yM50%)

Upflow velocity at 50% (UM50%)

Head loss at 50% (hf50%)

Energy at 50% (EM50%)

Given the flow and the trash rack characteristics, calculates the upstream and downstream depths, velocities and specific velocities and the head losses for the clean and 50% obstructed trash rack. or: Given the flow and the trash rack characteristics, calculates the upstream and downstream depths, velocities and specific velocities and the head losses for the clean and 50% obstructed trash rack.

References

  • PESSOA, Constantino A. Tratamento de esgotos domésticos. 7. ed. Rio de Janeiro, ABES, 2014.