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Free
flow-rate for circular cross section pipes
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The app
returns the flov velocity and flow rate in a circular cross-section pipeline
in free-flow conditions
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Pipe data
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Nominal diameter
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DN
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(mm)
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1200
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Internal diameter
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Di
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(mm)
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Inclination
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(m/1000m)
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Filling rate
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(%)
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Flow viscosity
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m
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(*10-6 m2/s)
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Pipe internal radius
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r
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(m)
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Filling rate
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h/r
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( )
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Inclination
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i
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( )
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Flow data :
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Wet area
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A
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(m2)
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Wet perimeter
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P
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(m)
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Hydraulic radius
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R=A/P
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(m)
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Flow rates and speeds
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Chézy Formula:
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Roughness
coefficient
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Coeff. condutt.
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Velocità
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Portata
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c ( )
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v (m/s)
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Q (m3/s)
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Bazin (B)
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g
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(m1/2)
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Kutter (K)
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m
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(m1/2)
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Gauckler-Strickler (G-S)
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Ks
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(m1/3s-1)
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Manning (M)
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n
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(m1/3s)
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Colebrook-Marchi (C-M)
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e
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(mm)
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ffffffffffffffffffffffffffffffffff
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aaaaa
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