* Log In to use the Calculate function *


Become a Member!




 
  
Calculate Channel Flow Depth (d) for Trapezoidal Channel:
Note: Performs an iterative calculation to find the approximate depth of flow volume.
 
Calculation:
Designer/Checker:
   
Input:   
   

 
1st side slope, rise/run (s1 - ft/ft or m/m), enter 0.0 for vertical slope
2nd side slope, rise/run (s2 - ft/ft or m/m), enter 0.0 for vertical slope
Width of bottom (w - ft or m)
Flow in channel (Q - cfs or cms)
Slope of energy grade line, rise/run, (S - ft/ft or m/m)
Manning's Roughness Coefficient (n)
   

     
   
   
Output:   
 
Login to enable the Formulas!

Not a Member? Join Now!
   
Width of the water surface (w) =
Area (A) =
Wet perimeter (Wp) =
Hydraulic Radius (R) =
Flow depth, d =
 
 
 
 


Start Using The Calculations >>> Become A Member Now!