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Hydraulic Charts (Restricted demo version)

The assistant determines the maximum flow rates (Q_max) and the flow velocity (v) of selected sewer profiles.
In this demonstration version, only circular, ovoid and arched cross section are available.

Please enter the hydraulic parameters of your sewer profile here. During the input please keep in mind that own values take priority over the given values.

Please choose Circular cross section, normal (S/R = 1/1) Ovoid cross section, normal (S/R = 2/3) Arched cross section, normal (S/R = 2/1.5) Circular cross section, stretched (S/R = 2/2.5) Circular cross section, extended (S/R = 2/3) Ovoid cross section, extended (S/R = 2/3.5) Ovoid cross section, press formed (S/R = 1/1) Ovoid cross section, wide (S/R = 2/2.5) Arched cross section, extended (S/R = 1/1) Arched cross section, press formed (S/R = 2/1.25) Arched cross section, stretched (S/R = 2/1.75) Arched cross section, reduced (S/R = 2/1) Arch culvert cross, section (S/R = 2/2.25) Kite cross section, (S/R = 1/1) Parabolic cross section, (S/R = 1/1) Rectangular cross section with horizontal invert, (S/R = 2/1) Rectangular cross section with horizontal invert, (S/R = 1/1) Rectangular cross section with horizontal invert, (S/R = 1/2) Rectangular cross section with sloped invert, (S/R = 2/1) Rectangular cross section with sloped invert, (S/R = 1/1) Rectangular cross section with sloped invert, (S/R = 1/2) Rectangular cross section with sloped and horizontal invert, (s = 0.2*S, S/R = 2/1) Rectangular cross section with sloped and horizontal invert, (s = 0.2*S, S/R = 1/1) Rectangular cross section with sloped and horizontal invert, (s = 0.2*S, S/R = 1/2) Rectangular cross section with sloped and horizontal invert, (s = 0.4*S, S/R = 2/1) Rectangular cross section with sloped and horizontal invert, (s = 0.4*S, S/R = 1/1) Rectangular cross section with sloped and horizontal invert, (s = 0.4*S, s/R = 1/2)
Hydraulic roughness:	Own value 0.002 Plastic (PVC, PE) 0.016 Smoothed concrete 0.032 Concrete high concentration of cement	[in.]
Kinetic viscosity:	Own value 14.10 water 50°F 13.35 water 54°F 12.59 water 57°F 12.06 water 61°F 11.41 water 64°F 10.87 water 68°F 8.61 water 86°F	[1·E-6ft2/s]
Gradient:		[‰]

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