Table XV
VALUES OF COEFFICIENT c.
LEGEND:
(A) = Hydraulic Radius r.
(B) = Hydraulic Gradient.
(C) = Mean Velocity.
| Pipe-line. | Diameter. | (A) | (B) | (C) | |
|---|---|---|---|---|---|
| Hemlock Lake | 36″ | wrought-iron | 9″ | .000411 | 1.532 |
| ”” | 24″ | wr’t and cast | 6″ | .00239 | 3.448 |
| Rush Lake to Mt. Hope | 24″ | cast-iron | 6″ | .00255 | 3.448 |
| Sudbury aqueduct | 48″ | ″ ″ | 12″ | 3.738 | |
| ”” | 48″ | ″ ″ | 12″ | 4.965 | |
| ”” | 48″ | ″ ″ | 12″ | 6.195 | |
| ”” | 48″ | ″ ″ | 12″ | 3.738 | |
| ”” | 48″ | ″ ″ | 12″ | 4.965 | |
| ”” | 48″ | ″ ″ | 12″ | 6.195 | |
| East Jersey Water Co. | 48″ | steel riveted pipe | 12″ | .002 | 4.62 |
| Timber-stave pipe, Ogden, Utah | 72″.5 | .5 | |||
| ”” ”” | 72″.5 | 12″ | 1.0 | ||
| ”” ”” | 72″.5 | 12″ | 1.5 | ||
| ”” ”” | 72″.5 | 12″ | 2.0 | ||
| ”” ”” | 72″.5 | 12″ | 2.5 | ||
| ”” ”” | 72″.5 | 12″ | 3.0 | ||
| ”” ”” | 72″.5 | 12″ | 3.5 | ||
| ”” ”” | 72″.5 | 12″ | 4.0 | ||
LEGEND:
(A) = Coefficient c.
(B) = Cubic Feet per Second.
(C) = Gallons per 24 Hours.
| Pipe-line. | (A) | Discharge. | Remarks. | |
|---|---|---|---|---|
| (B) | (C) | |||
| Hemlock Lake | 87.3 | 10.83124> | 7,000,000 | |
| ”” | 99.7 | 10.83124 | 7,000,000 | 1892. |
| Rush Lake to Mt. Hope | 96.5 | 10.83124 | 7,000,000 | |
| Sudbury aqueduct | 140.14 | Pipe | ||
| ”” | 142.11 | new | ||
| ”” | 144.09 | 1880. | ||
| ”” | 139.94† | After cleaning, 1894-95. Before cleaning, c = 108 | ||
| ”” | 141.74† | |||
| ”” | 143.16† | |||
| East Jersey Water Co. | 103.3 | 58.02 | 7,500,00 | 1891. |
| Timber-stave pipe, Ogden, Utah | 72 | 1897. | ||
| ”” ”” | 96 | |||
| ”” ”” | 109 | |||
| ”” ”” | 115 | |||
| ”” ”” | 119 | |||
| ”” ”” | 122 | |||
| ”” ”” | 124 | |||
| ”” ”” | 126 | |||
| † These values correspond to the formula c = 131.88v⁰˙⁰⁴⁵. | ||||
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