Gutter Flow Formula

A depressing depth.

Gutter flow formula.

S longitudinal slope. Martin wanielista robert kersten and ron eaglin. Curb gutter flow rate. Hydrology water quantity and quality control.

D flow depth at curb. Or m g acceleration due to gravity 32 2 ft s 2 or 9 81 m s 2 y depth of water in the curb and gutter cross section ft. S x roadway cross slope. Rearranging equation 10 17 allows a direct solution for required length.

Code to add this calci to your website. N manning s coefficient. Or m this depth will vary slightly with the inlet detail used l length of curb opening inlet ft. Or m a gutter depression depth ft.

Just copy and paste the below code to your webpage where you want to display this calculator. Q total flow reaching inlet cfs or m 3 s c o orifice coefficient 0 67 h depth of opening ft. Curb gutter flow rate. Where q gutter flow rate n mannings coefficient s x roadway cross slope s longitudinal slope t flow width.

Step 2 calculate the gutter flow in w qw using the equation. Here we can calculate for curb gutter flow rate. Where q gutter flow rate n manning s coefficient s x roadway cross slope s longitudinal slope t flow width. 3 s 11 5 step 3 calculate the ratios qw q and sw sxand use figure 11 2 to find an appropriate value of.