Effective coefficient of efflux, 59.05 per cent.*
An
experiment on a single aperture of this form, made by Hamilton Smith,
Jr., gave a discharge of 2179.4 cubic feet per miner's inch in
twenty-four hours. The 2,230 cubic feet of the North Bloomfield inch
can only be considered an assumed rough estimate of discharge in
twenty-four hours for one miner's inch.
The
theoretical velocity, in feet per second, of a fluid flowing into the
air, through openings in the bottoms or sides of a vessel or reservoir,
the surface level of which is kept constantly at the same height, is
equal to that which a heavy body would acquire in falling through a
space equal to the depth of the opening below the surface of the fluid, and is expressed as follows:
* The experiments were made by the author.
