THE FLOW OF WATER IN^ DRAIN^ TILE. 25 
Table 3. — Elements of experiments for clay tile — Continued. 
12-INCH TILE— Continued. 
Test No. 
2 
3 
4 
5 
6 
7 
8 
9 
10 
Depth 
d 
D 
Area 
a 
~A 
Hy- 
Dis- 
charge. 
Ve- 
locity. 
Kutter 
of 
flow. 
of 
flow. 
draulic 
radius. 
Slope. 
coeffi- 
cient. 
id) 
(a) 
(i?) 
(Q) 
(V) 
is) 
in) 
Cu.ft. 
Feet 
Feet. 
Sq.ft. 
0.7234 
Feet. 
per sec. 
per sec. 
0.887 
0.90 
0.95 
02938 
2. 2320 
3.086 
00030 
0116 
.853 
.87 
.7017 
.92 
.2978 
2 
1840 
3.113 
.0030 
.0116 
.809 
.82 
.6702 
.88 
.3000 
2 
0800 
3.103 
.0030 
.0117 
.773 
.78 
.6420 
.84 
.2995 
9450 
3.030 
.0030 
.0119 
.724 
.73 
.6007 
.79 
.2957 
7980 
2.992 
.0030 
.0120 
.693 
.70 
.5734 
.75 
.2923 
6100 
2.809 
.0030 
.0124 
.646 
.66 
.5300 
.70 
.2850 
4400 
2.717 
.0030 
.0126 
.603 
.61 
.4893 
.64 
.2761 
2560 
2.567 
.0030 
.0129 
.547 
.56 
.4349 
.57 
.2624 
0260 
2.360 
.0030 
.01.34 
.500 
.51 
.3886 
.51 
.2487 
8440 
2.173 
.0030 
.0138 
.402 
.41 
.2925 
.38 
.2142 
5222 
1.785 
.0030 
.0147 
.303 
.31 
.1992 
.26 
.1718 
2737 
1.374 
.0030 
.0158 
.974 
.99 
.7614 
.99 
.2640 
3 0380 
3.990 
.0050 
.0109 
.940 
.95 
.7504 
.98 
.2811 
3. 0030 
4.002 
.0050 
.0113 
.878 
.89 
.7179 
.94 
.2952 
2.8400 
3.9,56 
.0050 
.0117 
.817 
.83 
.6763 
.89 
.2998 
2 5440 
3.762 
.0050 
.0124 
.741 
.75 
.6154 
.81 
.2975 
2 1300 
3.461 
.0050 
.0131 
.696 
.71 
.5760 
.76 
:29'27 
1.8400 
3.195 
.0050 
.0138 
.644 
.65 
.5282 
.69 
.2846 
1.5650 
2.963 
.0050 
.0144 
.597 
.61 
.4835 
.63 
.2748 
1.3550 
2.803 
.0050 
.0147 
.552 
.56 
.4398 
.58 
.2638 
1.1660 
2.651 
.00.59 
.01.50 
.509 
52 
.3975 
.52 
.2514 
.9838 
2.475 
.00.50 
.0154 
.409 
42 
.2993 
.39 
.2169 
.5981 
1.998 
.00.50 
.0165 
.313 
.32 
.2083 
.27 
.1765 
.3259 
1.564 
.0050 
.0175 
.723 
.73 
.5998 
.79 
.2956 
2.9890 
4.983 
.0075 
.0114 
.638 
.65 
.5225 
.69 
.2834 
2.5440 
4.869 
.0075 
.0114 
.584 
.59 
.4708 
.62 
.2719 
2.1480 
4.563 
.0075 
.0117 
.563 
.57 
.4505 
.59 
.2667 
2.0500 
4.551 
.0075 
.0117 
.512 
.52 
.4004 
.53 
.2523 
1.7400 
4.346 
.0075 
.0117 
.388 
.39 
.2790 
.37 
.2086 
1.0180 
3.651 
.0075 
.0120 
.302 
.31 
.1983 
.26 
.1714 
.6250 
3.153 
.0075 
.0119 
.651 
.66 
.5347 
.70 
.2858 
2.9400 
5.498 
.0100 
.0117 
.598 
.61 
.4844 
.64 
.2750 
2.6170 
5.403 
.0100 
.0116 
.546 
.55 
.4339 
.57 
.2622 
2.2980 
5.297 
.0100 
.0114 
.494 
.50 
.3827 
.50 
.2468 
1.8400 
4.809 
.1000 
.0119 
.413 
.42 
.3031 
.40 
.2184 
1.2960 
4.276 
.0100 
.0121 
.307 
.31 
.2028 
.27 
.1737 
.6972 
3.438 
.0100 
.1026 
.496 
.50 
.3847 
.50 
.2474 
2.0150 
5.239 
.0125 
.0122 
.419 
.43 
.3090 
.41 
.2207 
1.5400 
4.984 
. 0125 
.0118 
.321 
.33 
.2157 
.28 
.1801 
.9694 
4.495 
.0125 
.0114 
.459 
.47 
.3482 
.46 
.2351 
1.9600 
5. 630 
.0150 
.0120 
.444 
.45 
.3335 
.44 
.2299 
1.8575 
5.570 
.0150 
.0119 
.403 
.41 
.2935 
.39 
.2145 
1.6150 
5.525 
.0150 
.0116 
.284 
.29 
.1820 
.24 
.1629 
.8639 
4.747 
.0150 
.0111 
Chezy 
coefli- 
cient. 
(C) 
373. 
374., 
375.. 
376., 
377.,. 
378., 
379. 
380. 
381. 
382. 
383. 
384. 
3851 
3861 
387. 
388. 
389. 
390. 
391., 
392- 
393. 
394. 
395. 
396. 
397. 
398. 
399. 
400. 
401. 
402. 
403. 
404. 
405. 
406. 
407. 
408. 
409. 
410. 
411. 
412. 
413. 
414. 
415- 
416. 
103.9 
104.1 
103.4 
101.1 
100.5 
94.9 
92.9 
89.2 
84.1 
79.6 
70.4 
60.5 
109.8 
106.8 
103.0 
97.2 
89.7 
83.5 
78.6 
75.6 
73.0 
69.8 
60.7 
52.7 
105.8 
105.6 
101.0 
101.8 
99.9 
92.3 
87.9 
102.8 
103.0 
103.5 
96.8 
91.5 
82.5 
94.2 
94.9 
97.0 
96.0 
These tests used in deriving formulae 27 and 29. 
