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 124
turbine is contrary to that of previous figures). Thecondition that cn = vn for best effect has been introduced intothis figure by making it a j£t rhombus, with side DN q ^-^-~equal to side NE. The ~~~diagonals bisect each otherat right angles, and BNrepresents \wn. Hencethe intersection, B, of… … 4 Wn COS fJL n j W or, (wncos fi)vn=~-. Substituting from (18) in (17) we obtain W\Vi cos a =gh, (18) (19) 102 HYDRAULIC MOTORS. §68. as holding good when the turbine (frictionless) is running withspeed of maximum efficiency, the same as eq. (12). 68. Note.—It is to be noted that this same…
Hydraulic machinery
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