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 93
ially altering the jet-velocity, and thus retain the proper 72 HYDRAULIC MOTORS. § 52. relation between the latter and that of the buckets, requiresa reduction in the sectional area of the jet. A common wayof doing this at the present day, with impulse wheels of thePelton type, is by the use of an… … poile needle reculatinc nozzle.Fig. 34. of the Doble Needle Regulating-nozzle as used with the Dobleimpulse wheel. The water passes through the space AB(and CD) toward the left. By the advance of the needleE toward the left the ring-shaped space between it and theedge of the nozzle opening is…
Hydraulic machinery
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