Hydraulic motors, with related subjects, including centrifugal pumps, pipes, and open channels, designed as a text-book for engineering schools (1905)
Church, Irving Porter, 1851-1931 · New York : J. Wiley & Sons; [etc, ] · leaf 268
quantities involved. The head on the weir,h, was observed, and the height of weir p was measured andrecorded in each case, as also the data fixing the form of the topand two faces of the weir. The rate of flow Q becameknown in each case from the observed head and known dimen-sions of a standard… … Fig. 103. flow over any of these experimental weirs may be put into theform Q^mbVty-ih + k)?, (5) where b is the length of the weir, m a coefficient correspondingto the f n of former equations, and h the observed head on the Of33 ^ 1c i ■ Ofe6 » |<
Hydraulic machinery
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