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Calculations
Recommendations
UASB check-list: hydraulic parameters
Backwash head loss in Pluvitec Master pipes
Dynamic viscosity of atmospheric air
Air specific mass
Circular weir
Foot valve
View all calculations
Trapezoidal weir
Calculate head
Calculate flow
Calculate head
Calculate flow
Input data
Flow
m³/s
m³/h
m³/d
L/s
L/h
L/d
gpm
gpd
gph
MGD
cfm
cfs
bpd
Length (b)
m
mm
cm
km
ft
in
mi
µm
Output data
Flow
m³/s
m³/h
m³/d
L/s
L/h
L/d
gpm
gpd
gph
MGD
cfm
cfs
bpd
Head (h)
m
mm
cm
km
ft
in
mi
µm
Input data
Length (b)
m
mm
cm
km
ft
in
mi
µm
Output data
Description
Design and rate trapezoidal weirs.
Perfil hidrogeológico
References
AZEVEDO NETTO, J. M. de; FERNANDEZ Y FERNANDEZ, Miguel. Manual de hidráulica, 9.ed. São Paulo: Blucher, 2015.