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Velocity gradient in pipes and circular orifices
Velocity gradient
Velocity gradient
Input data
Incoming flow (Q)
m³/s
m³/h
m³/d
L/s
L/h
L/d
gpm
gpd
gph
MGD
cfm
cfs
bpd
Temperature
°C
°F
K
Diameter (D)
m
mm
cm
km
ft
in
mi
µm
Inner surface roughness (k)
m
mm
cm
km
ft
in
mi
µm
Output data
Velocity
m/s
cm/s
mm/s
m/min
cm/min
mm/min
m/h
m/d
ft/s
in/s
Velocity gradient
1/s
Description
Calculate velocity gradients in pipes and circular orifices
Circular orifice
References
VIANNA, Marcos R. Hidráulica aplicada às estações de tratamento de água. 6. Ed. Belo Horizonte, 3I, 2019.