rectangular channel section rectangular channel section by depth

Normal (Uniform) Flow

Flow Area: A=5.25 m2A = 5.25\, \mathsf{m^2}
Wetted Perimeter: P=6.50 mP = 6.50\, \mathsf{m}
Hydraulic Radius: R=0.808 mR = 0.808\, \mathsf m
Average Flow Velocity: v=2.11 m/sv = 2.11\, \mathsf{m/s}
Flow Rate: Q=11.08 m3/sQ = 11.08\, \mathsf{m^3/s}
Specific Energy: E=1.977 mE = 1.977\, \mathsf{m}
Free Surface: T=1.750 mT = 1.750\, \mathsf{m}
Froude Number: NF=0.389N_F = 0.389

Critical Flow

For Q=11.0759 m3 ⁣/sQ=11.0759 \, \mathsf{m^3\!/s}, Critical Depth yc=1.116 myc=1.116 \, \mathsf{m}
Critical Velocity: vc=3.31 m/s v_c = 3.31 \,\mathsf{m/s}
Minimum Specific Energy: Emin=1.674 mE_{min} = 1.674\, \mathsf{m}
Slope for Critical Flow: Sc=0.336%S_c = 0.336\%
rectangular channel section

Normal (Uniform) Flow

Depth of flow: 0.720 m0.720\, \mathsf{m}
Flow Area: 2.16 m22.16\, \mathsf{m^2}
Average Flow Velocity: 1.505 m/s1.505\, \mathsf{m/s}
Specific Energy: E=0.835 mE=0.835\, \mathsf{m}
Free Surface: T=3.00 mT = 3.00\, \mathsf{m}
Froude Number: NF=0.566N_F = 0.566

Critical Flow

For the Q=3.25 m3 ⁣/sQ=3.25 \, \mathsf{m^3\!/s} above, Critical Depth yc=0.493 myc=0.493 \, \mathsf{m}
Critical Velocity: vc=2.20 m/s v_c = 2.20 \,\mathsf{m/s}
Minimum Specific Energy: Emin=0.739 mE_{min} = 0.739\, \mathsf{m}
Slope for Critical Flow: Sc=0.307%S_c = 0.307\%
triangular channel section triangular channel section by depth

Normal (Uniform) Flow

Flow Area: A=3.45 m2A = 3.45\, \mathsf{m^2}
Wetted Perimeter: P=5.34 mP = 5.34\, \mathsf{m}
Hydraulic Radius: R=0.645 mR = 0.645\, \mathsf m
Average Flow Velocity: v=1.816 m/sv = 1.816\, \mathsf{m/s}
Flow Rate: Q=6.26 m3/sQ = 6.26\, \mathsf{m^3/s}
Specific Energy: E=1.918 mE = 1.918\, \mathsf{m}
Free Surface: T=3.94 mT = 3.94\, \mathsf{m}
Froude Number: NF=0.620N_F = 0.620

Critical Flow

For the Q=6.2557 m3 ⁣/sQ=6.2557 \, \mathsf{m^3\!/s} above, Critical Depth yc=1.445 my_c=1.445 \, \mathsf{m}
Critical Velocity: vc=2.66 m/s v_c = 2.66 \,\mathsf{m/s}
Minimum Specific Energy: Emin=1.806 mE_{min} = 1.806\, \mathsf{m}
Slope for Critical Flow: Sc=0.278%S_c = 0.278\%
triangular channel section

Normal (Uniform) Flow

Depth of flow: y=1.369 my=1.369\, \mathsf{m}
Flow Area: 2.11 m22.11\, \mathsf{m^2}
Average Flow Velocity: 1.542 m/s1.542\, \mathsf{m/s}
Specific Energy: E=1.490 mE=1.490\, \mathsf{m}
Free Surface: T=3.08 mT = 3.08\, \mathsf{m}
Froude Number: NF=0.595N_F = 0.595

Critical Flow

For the Q=3.25 m3 ⁣/sQ=3.25 \, \mathsf{m^3\!/s} above, Critical Depth yc=1.112 my_c=1.112 \, \mathsf{m}
Critical Velocity: vc=2.34 m/s v_c = 2.34 \,\mathsf{m/s}
Minimum Specific Energy: Emin=1.390 mE_{min} = 1.390\, \mathsf{m}
Slope for Critical Flow: Sc=0.303%S_c = 0.303\%
trapezoidal channel section trapezoidal channel section by depth

Normal (Uniform) Flow

Flow Area: A=5.22 m2A = 5.22\, \mathsf{m^2}
Wetted Perimeter: P=6.66 mP = 6.66\, \mathsf{m}
Hydraulic Radius: R=0.783 mR = 0.783\, \mathsf m
Average Flow Velocity: v=2.07 m/sv = 2.07\, \mathsf{m/s}
Flow Rate: Q=10.79 m3/sQ = 10.79\, \mathsf{m^3/s}
Free Surface: T=5.70 mT = 5.70\, \mathsf{m}
Froude Number: NF=0.690N_F = 0.690

Critical Flow

For Q=10.7908 m3 ⁣/sQ=10.7908 \, \mathsf{m^3\!/s}, Critical Depth yc=0.965 my_c=0.965 \, \mathsf{m}
Critical Velocity: vc=2.74 m/sv_c = 2.74 \,\mathsf{m/s}
Minimum Specific Energy: Emin=1.347 mE_{min} = 1.347\, \mathsf{m}
Slope for Critical Flow: Sc=0.219%S_c = 0.219\%
trapezoidal channel section

Normal (Uniform) Flow

Depth of flow: 0.338 m0.338\, \mathsf{m}
Flow Area: 1.143 m21.143\, \mathsf{m^2}
Average Flow Velocity: 1.050 m/s1.050\, \mathsf{m/s}
Specific Energy: E=0.394 mE=0.394\, \mathsf{m}
Free Surface: T=3.76 mT = 3.76\, \mathsf{m}
Froude Number: NF=0.608N_F = 0.608

Critical Flow

For the Q=1.200 m3 ⁣/sQ=1.200 \, \mathsf{m^3\!/s} above, Critical Depth yc=0.246 myc=0.246 \, \mathsf{m}
Critical Velocity: vc=1.491 m/s v_c = 1.491 \,\mathsf{m/s}
Minimum Specific Energy: Emin=0.359 mE_{min} = 0.359\, \mathsf{m}
Slope for Critical Flow: Sc=0.292%S_c = 0.292\%
full circular pipe
max flow depth circular pipe
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empty circular pipe

Normal (Uniform) Flow

α=28.836∘\alpha = 28.836^\circ
θ=302.33∘(=5.2766  rad)\theta = 302.33^\circ\quad (=5.2766\;\mathsf{rad})
Flow Area: A=0.765 m2A = 0.765\, \mathsf{m^2}
Wetted Perimeter: P=2.64 mP = 2.64\, \mathsf m
Hydraulic Radius: R=0.290 mR = 0.290\, \mathsf m
Average Flow Velocity: v=1.066 m/sv = 1.066\, \mathsf{m/s}
Flow Rate: Q=0.816 m3/sQ = 0.816\, \mathsf{m^3/s}
Specific Energy: E=0.996 mE = 0.996\, \mathsf{m}
Free Surface: T=0.482 mT = 0.482\, \mathsf{m}
Froude Number: NF=0.270N_F = 0.270

Critical Flow

For the Q=0.81559 m3 ⁣/sQ=0.81559 \, \mathsf{m^3\!/s} above, Critical Depth yc=0.515 myc=0.515 \, \mathsf{m}
Critical Velocity: vc=2.00 m/s v_c = 2.00 \,\mathsf{m/s}
Minimum Specific Energy: Emin=0.719 mE_{min} = 0.719\, \mathsf{m}
Slope for Critical Flow: Sc=0.419%S_c = 0.419\%
full circular pipe
max flow depth circular pipe
90% flow depth circular pipe
80% flow depth circular pipe
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50% flow depth circular pipe
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empty circular pipe



Note: The maximum possible flow for this configuration of:
diameter D=1.000 mD=1.000\,\mathsf{m}, slope s=0.1000%s=0.1000\%,
Manning's n=0.01300n=0.01300 and gravity g=9.81 m/s2g=9.81\,\mathsf{m/s^2} is Qmax=0.816 m3/s\large\bm{Q_{\mathsf{max}}=0.816\,\mathsf{m^3/s}}.

Normal (Uniform) Flow

Coming soon!