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 181
t0)=e0(27tri sin a— m0t0); . (14) and similarly Fn=en(27rrn sin d-mntn) (15) For approximate purposes, however, we may write the ratio F^^eo sin a r\ Fn e»sin<*rn (lb) The above is readily understood for radial turbines. As forparallel-flow wheels (or axial wheels) we write ri=rn (callit now r)… … mediate circle of radius r, and the dimensions e0 and en are radial(and horizontal, if the shaft is vertical; see Figs. 62 and 64). In a mixed-flow turbine (see Fig. 76), the entrance rectangle(that is, for a guide-exit), of area = ae0, is vertical (provided the shaft of turbine is verti-- cal),…
Hydraulic machinery
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