Hydraulic engineering; a practical treatise on the principles of water pressure and flow and their application to the development of water power, including the calculation, design and construction of water wheels, turbines, and other details of hydraulic power plants (1909)
American School (Chicago, Ill.), Black, Adolph, Turneaure, Frederick Eugene, 1866- · Chicago American School of Correspondence · leaf 267
ranches of penstocks should be at an angle ofnot over 45 degrees to the penstock; or, in other words, the directionsof flow of the water in the penstock and in the nozzle or branch shouldform an angle of not over 45 degrees with eaCh other. Directly be-yond each nozzle or branch, the diameter of… … Fig. 136. Entrance Taper and Head-Gate in Flume.Pelton ^yat€l• Wheel Company, San Francisco, Cal. WATER-POWER DEVELOPMENT 177 in mind that the friction loss in a penstock varies with the s(|uare ofthe speed. Conditions making a low speed advisable are: Low head, largediameter of penstock, great…
