22 
BULLETIN 85i, U. S. DEPARTMENT OF AGEICULTURE. 
Table 3. — Elements of exiperiments for clay tile — Continued. 
8-INCH TILE— Continued. 
Test No. 
Depth 
of 
flow. 
Area 
of 
flow. 
(«) 
6 
7 
8 
Hy. 
draulic 
radius. 
Dis- 
charge. 
Ve- 
locity. 
(B) 
(Q) 
(n. 
Cu.ft. 
Feet 
Feet. 
per sec. 
per sec. 
0.1885 
0.6750 
1.842 
.1924 
.6720 
1.844 
.2061 
.5220 
1.778 
.1760 
.2805 
1.439 
.1439 
.1540 
1.159 
.0973 
.0540 
.790 
. 1880 
.7996 
2.182 
.1915 
.7870 
2.157 
.2062 
.6390 
2.172 
.1778 
.3392 
1.705 
.1490 
.2054 
1.449 
.1126 
.0920 
1.057 
.1840 
1.0800 
2.939 
.2085 
.9210 
2.870 
.1935 
.5660 
2.344 
.1760 
.3950 
2.0.30 
.1459 
.2360 
1.730 
.1033 
.0946 
1.250 
.1919 
1.2840 
3.522 
.1989 
1.3000 
3.623 
.2055 
.9480 
3.270 
.1754 
.5590 
2.m 
.1451 
.3392 
2.513 
.1048 
.1481 
1.915 
.1886 
1.4920 
4.079 
.1924 
1.4650 
4.021 
.1940 
1.4475 
3.982 
.2021 
1.1580 
4.267 
.1654 
.5980 
3.471 
.1369 
.3760 
3.089 
.1013 
.1814 
2.483 
.1861 
1.6200 
4.414 
.1885 
1.6200 
4.423 
.2040 
1.3475 
4.778 
.1723 
.7525 
4.031 
.1410 
.4430 
3.453 
.1013 
.2096 
2.869 
.2085 
1. 7675 
5.546 
.2082 
1.7375 
5.576 
.2053 
1.5350 
5.316 
.1698 
.79.32 
4.378 
.1394 
.4772 
3.798 
.0978 
.2138 
3.102 
Slope. 
is) 
10 
Kutter 
coefii- 
cient. 
in) 
Chezy 
coefii- 
cient. 
1871 
188' 
189. 
190. 
191. 
192. 
1931. 
194.. 
195.. 
196.. 
197.. 
198.. 
1991. 
200.. 
201.. 
202.. 
203.. 
204.. 
2051. 
206 i. 
207.. 
208.. 
209.. 
210.. 
2111. 
2121. 
2131. 
214.. 
215.. 
216.. 
217.. 
2181. 
2191. 
220.. 
221.. 
222.. 
223.. 
224. 
225. 
Feet. 
0.669 
.661 
.509 
.358 
.267 
.165 
.670 
.663 
.510 
.364 
.280 
.676 
.558 
.427 
.358 
.272 
.177 
.662 
0.98 
.642 I .94 
.503 
.356 
.270 
.667 
.661 
.657 
.473 
.325 
.250 
.173 
.673 
.669 
.490 
.346 
.260 
.173 
.553 
.540 
.501 
.338 
.256 
.73 
.52 
.39 
.26 
.97 
.96 
.96 
.69 
.47 
.37 
.25 
.72 
.51 
.38 
.25 
.81 
.79 
.73 
.49 
Sq.ft. 
0.3663 
.3644 
.2936 
.1949 
.1329 
.0684 
.3664 
.3649 
.2942 
.1990 
.1417 
.0871 
.3675 
.3215 
.2415 
.1949 
.1363 
.0755 
.3647 
.3588 
.2900 
.1935 
.1350 
.0773 
.3658 
.3644 
.3635 
.2714 
.1723 
.1217 
.0731 
.3670 
.3663 
.2821 
.1867 
.1283 
.0731 
.3187 
.3116 
.2888 
.1812 
.1257 
0.99 
.99 
.80 
.53 
.36 
.19 
.99 
.99 
.80. 
.54 
.39 
0.0020 
.0020 
.0020 
.0020 
.0020 
.0020 
.0030 
.0030 
.0030 
.0030 
.0030 
.0030 
.0050 
. 0050 
.0050 
.0050 
.0050 
.0050 
.0075 
.0075 
.0075 
.0075 
.0075 
.0075 
.010 
.010 
.010 
.010 
.010 
.010 
.010 
.0125 
.0125 
.0125 
.012.5 
.0125 
.0125 
.0150 
.0150 
.0150 
.0150 
.0150 
.0150 
0.0113 I 
.0115 i 
.0123 
.0130 
.0138 
.0144 
.0117 
.0119 
.0122 
.0136 
.0139 
.0149 
.0112 
.0121 
.01.37 
.0143 
.0145 
.0149 
.0117 
.0117 
.0129 
.0128 
.0127 
.0129 
.0116 
.0118 
.0120 
.0116 
.0120 
.0118 
.0116 
.0118 
.0118 
.0117 
.0120 
.0120 
.0113 
.0112 
.0111 
.0114 
.0119 
.0119 
.0112 
10-INCH TILE. 
2301 
2311 
2321 
233.. 
234.. 
235.. 
236.. 
237. 
238. 
239. 
240. 
241. 
242. 
0.821 
0.98 
0.5467 
0.99 
0.2275 
0.6386 
1.168 
0.0005 
0. 0104 
.812 
.97 
.5444 
.99 
.2324 
.5874 
L079 
.0005 
.0112 
.783 
.94 
.5343 
.97 
.2429 
.5770 
r.'080 
.0005 
.0114 
.749 
.90 
.5186 
.95 
.2497 
.5640 
l.OSS 
.0005 
.0116 
.697 
.83 
.4890 
.89 
.2541 
.5578 
1.141 
.0005 
.0112 
.666 
.80 
.4689 
.85 
.2542 
.5503 
1.174 
.0005 
.0110 
.626 
.75 
.4408 
.80 
.2521 
.5366 
1.217 
.0005 
.0107 
.567 
.68 
.3963 
.72 
.2451 
.4982 
1.257 
.0005 
.0102 
.546 
.65 
.3798 
.69 
.2413 
.4611 
1.214 
.0005 
.0104 
.473 
.57 
.3203 
.58 
.2250 
.3967 
1.239 
.0005 
.0098 
.421 
.50 
.2770 
.50 
.2099 
.3078 
1.111 
.0005 
.0103 
.310 
.37 
.1852 
.34 
.1692 
.1998 
1.079 
.0005 
.0093 
.214 
.26 
.1110 
.20 
.1251 
.1005 
.901) 
.0005 
.0089 
1 These tests used in deriving formula' 27 and 29. 
