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yHd=K⋅(xHd)nthe fraction with numerator y and denominator cap H sub d end-fraction equals cap K center dot open paren the fraction with numerator x and denominator cap H sub d end-fraction close paren to the n-th power ogee spillway designxls install
L=L′−2(N⋅Kp+Ka)Hdcap L equals cap L prime minus 2 open paren cap N center dot cap K sub p plus cap K sub a close paren cap H sub d L′cap L prime is the net crest length, is the number of piers, Kpcap K sub p is the pier contraction coefficient, and Kacap K sub a is the abutment contraction coefficient. Downstream Profile Coordinates This public link is valid for 7 days
Fix: Spillway formulas often feature interdependent variables (like velocity head affecting the design head). Enable iterative calculations by going to and checking Enable iterative calculation . Error: Macro buttons do not respond. Can’t copy the link right now
A built-in scatter chart automatically plots the
Go to File > Options > Formulas and check "Enable iterative calculation" if your spreadsheet uses trial-and-error loops for tailwater depth.