INDEX 



151 



Thompson, James, 113 

 Throat, transition, 21, 125 

 Tidal bore, 52, 58 

 Tiger Creek flume, 114 

 Top width, 38 



of circular sections, 42 

 Total head, 3 

 Total head line, 3, 99 

 Trahern, J. W., 31 

 Tranquil flow, 23 



around bends, 110 



classes of, through channel obstruc- 

 tions, 127 

 Transitions, 120 



Trapezoidal channels, alternate depths 

 in, 39 



critical flow in, 38, 45 



hydraulic jump in, 44 



sequent depths in, table, 45 



uniform flow in, table, 8-11 

 Trial-and-error computations, for back- 

 water curves, 96 



for discharge over crest, 88 



for routing computations, 135 

 Triangular channels, critical depth in, 38, 

 45 



sequent depths in, table, 45 



uniform flow in, 7 

 Turbulence, in the hydraulic jump, 24 



in non-uniform flow, 64 



Uniform channel, 1 



with lower end submerged, 89 

 Uniform channels, backwater methods 

 for, if sloping, 63, 75, 108 



if horizontal, 70, 83, 108 

 Uniform channels, profiles due to changes 



of grade, 84 

 Uniform flow, 2 



computation of, 4 



formulas for, 4 



tables for, 7-14 



values of n, 5 

 Unsteady flow, 2, 52, 133 



criterion for treating like steady flow, 

 145 

 Uses of the hydraulic jump, 32 



Varied flow, 2 

 Velocity head, 3 



curves for step methods, 102 



versus static head, 20 



Water-surface profiles, analysis of, 84; 



see also Backwater curves 

 Wave, solitary, 52, 58 

 Wave angle, 117 

 Wetted perimeter, computations for step 



methods, 97 

 Woycicki, Kazimierz, 30 



Yarnell, D. L., 32, 126-130 



