voima toolbox
beta
Sign up
Sign in
U
User
Quick calculation
Calculations list
Learn and discover
Account settings
Cálculo
Calcular
Salvar planilha
Cálculos
Recomendações
Orifice plate
Parshall flume
Rectangular channel - critical flow
Celerity in pipes filled with water
Estimated power
Sigma Mechanized inclined screen grid
Perda de carga em grades de tratamento de água
Downflow
Upflow
Input data
Flow (Q)
m³/s
m³/h
m³/d
L/s
L/h
L/d
Width (b)
mm
cm
m
km
ft
in
Width (w)
mm
cm
m
km
ft
in
Spacing (d)
mm
cm
m
km
ft
in
Downflow level (y)
mm
cm
m
km
ft
in
Inclination (𝝓)
-
β - Kirschmer
-
Output data
Upflow level (yM)
mm
cm
m
km
ft
in
Upflow velocity (UM)
m/s
cm/s
mm/s
m/min
cm/min
mm/min
m/h
m/d
Energy (EM)
J
kJ
MJ
cal
kcal
BTU
Head loss (HL)
m
Upflow level at 50% (yM50%)
mm
cm
m
km
ft
in
Upflow velocity at 50% (UM50%)
m/s
cm/s
mm/s
m/min
cm/min
mm/min
m/h
m/d
Head loss at 50% (hf50%)
m
Energy at 50% (EM50%)
J
kJ
MJ
cal
kcal
BTU
References
PESSOA, Constantino A. Tratamento de esgotos domésticos. 7. ed. Rio de Janeiro, ABES, 2014.