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 114
Pu = (l-cos«) {v-u)-u . . . (37) The work is zero when v = u, and when?/ = 0; also when ^/ = 0°; and it is amaximum, and equal to: AVork (Max.) = 4^ (1 -cos 0 ) wa ^-- = -^2, g 2i (1-cosfl) W % (38) when u = \v: 42. Efficiency. Since the theoretic energy of the impinging jet is H -^the efficiency… … o -i
