Experimental engineering and manual for testing (1903)
Carpenter, Rolla C. (Rolla Clinton), 1852-1919 · New York, J. Wiley & sons; [etc., etc.] · leaf 275
, however, of con-cave or bent form. If we let c equal the velocity ofwater as it strikes the wheel, v theperipheral velocity of the wheel, Qthe quantity of water in cubic feet Fig. h2.—Undershot-wheel.per second, G the weight per cubic foot, h^ the portion of thehead corresponding to the elevation… … 77 = Pv Qg\^^ ■v)v S + h .] * See Weisbachs Hydraulics, page 291. 2«0 EXPERIMENTAL ENGINEERING. [§ 244 From experiments of Morin it was found that when v -^ cwas less than 0.63, the efiliciency t} was 0.41. When v —- c wasbetween 0.63 and 0.8, rj was 0.33. The efficiency obtainedfrom the best form…
Building materials · Machinery
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