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 50
remities of the floats,having impinged against themin its passage under thewheel. The floats are radial,or slightly curved from aradial position. Fig. 12 showsan ordinary construction. Evidently the whole power is dueto impact. 27. Power of an Undershot.—Let Qr = the volume of waterwhich actually… … Fig 12. L = (c — v)v. 9 (1) This is a maximum for v = %c, but even then equals only halfthe initial kinetic energy of the water, i.e., -t^mmr. <-» lQr max. g (2) Hence, even if Q = Q (the volume of water issuing fromthe sluice-opening per second), 77 for undershot wheels couldnever exceed 0.50.…
Hydraulic machinery
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