14 
The Colorado Experiment Station 
TABLE 5 
HYDRAULIC ELEMENTS FOR THE ORCHARD MESA POWER FLUME. 
Length of 
Section Tested 
Discharge sec-ft. 
Area of Wetted 
Section sq-ft. 
Velocity ft. 
per sec. 
Wetted Perimeter 
Hydraulic Radius 
Slope ft. 
per foot 
Coefficient (c) 
Coefficient (n) 
132 
136.1 
29.41 
4.63 
16.88 
1.742 
.000687 
133.9 
.0123 
132 
169.5 
33.33 
| 5.09 
17.53 
1.901 
.000695 
139.9 
.0120 
132 
209.3 
37.90 
1 a.52 
18.32 
| 2.068 
.000680 
146.2 
.0117 
132 
219.4 
40.05 
5.47 
18.70 
1 2.140 
.000838 
129.3 
.0131 
200 
136.1 
27.59 
4.94 
16.5a 
1.663 
.001003 
120.7 
.0127 
200 
169.5 
29.72 
| r .70 
16.91 
| 1.757 
.000883 
144.7 
.0115 
200 
209.3 
35.55 
5.89 
18.41 
| 1.930 
.001242 
120.1 
.0137 
200 
219.4 
37.53 
| 5.86 
18.24 
2.058 
.001342 
111.4 
.0151 
300 
136.1 
27.47 
4.96 
16.53 
1.661 
.000832 
133.1 
.0124 
300 
169.5 
31.90 
5.32 
17.30 
1.843 
.001046 
121.0 
.0138 
300 
209.3 
36.08 
| 5.80 
18.00 
2.004 
.000693 
155.7 
.0110 
300 
219.4 
38.24 
5.74 
18.36 
2.083 
.000626 
156.6 
.0109 
200 
136.1 
25.70 
5.30 
16.18 
1.588 
.000980 
134.4 
.0121 
200 
209.3 
34.10 
| 6.14 
17.65 
1.932 
.001016 
138.7 
.0121 
200 
219.4 
35.59 
6.17 
17.89 
1.988 
.001266 
122.8 
.0139 
360 
136.1 
26.92 
5.06 
16.49 
1.631 
.000747 
145.0 
.0114 
360 
169.5 
30.57 
5.55 
17.09 
1.789 
.000761 
150.3 
.0111 
360 
209.3 
34.47 
6.07 
17.84 
1.932 
.000720 
162.9 
.0104 
360 
219.4 
36.09 
6.08 
18.01 
2.004 
.000636 
170.3 
.0100 
196 
136.1 
27.09 
| 5.03 
16.50 
.1.642 
.000617 
158.0 
.0105 
196 
169.5 
31.28 
5.42 
17.20 
1.820 
.000633 
159.5 
.0105 
196 
209.3 
35.30 
5.93 
17.87 
1.974 
.000954 
136.7 
.0123 
196 
219.4 
36.79 
| 5.96 
18.12 
2.030 
.000903 
139.3 
.0122 
144 
136.1 
28.73 
4.74 
16.79 
1.711 
.000554 
153.9 
.0108 
144 
169.5 
32.38 
| 5.24 
17.40 
1.860 
.000665 
148.8 
.0113 
144 
’ 209.3 
35.44 
| 5.91 
17.90 . 
1.981 
.001157 
123.3 
.0136 
144 
1 219.4 
36.46 
| 6.02 
18.07 
2.019 
.000949 
137.6 
.0122 
208 
136.1 
25.32 
| 5.38 
16.22 
1.560 
.000853 
147.4 
.0111 
208 
169.5 
28.63 
| 5.92 
16.77 
1.708 
.000945 
147.7 
.0112 
208 
1 209.3 
31.56 
| 6.64 
17.28 
1.825 
.000974 
157.3 
.0108 
208 
219.4 
33.12 
6.62 
17.53 
1.891 
.001151 
142.1 
.0119 
220 
136.1 
24.91 
| 5.46 
16.54 
1.506 
.000728 
163.7 
.0100 
220 
169.5 
29.12 
| 5.82 
16.87 
1.725 
.000842 
152.8 
.0109 
220 
209.3 
33.40 
| 6.27 
17.58 
1.899 
.000847 
156.7 
.0109 
220 
219.4 
34.78 
| 6.31 
17.82 
1.952 
.000801 
159.5 
.0107 
244 
136.1 
27.30 
j 4.99 
16.64 
1.640 
I 
.001025 
120.2 
.0137 
244 
169.5 
29.97 
| 5.66 
17.02 
1.758 
.001041 
132.1 
.0127 
244 
[ 209.3 
34.92 
| 6.00 
17.84 
1.958 
1 
.000984 
136.7 
.0123 
216 
| 169.5 
31.08 
| 5.45 
16.59 
1.875 
| 
.001102 
119.8 
.0139 
216 
209.3 
36.84 
| 5.68 
18.16 
2.030 
.001052 
123.1 
.0138 
216 
| 219.4 
37.02 
| 5.93 
18.19 
2.019 
I 
.001191 
! 129.7 
.0140 
