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 121
oreapplies to both types. As heretofore, v and v represent the absolute, 36 WATER-POWER DEVELOPMENT and r and l\ the relative velocities of the entering and departingstreams; u and u^^ (drawn normal to the radii r and t\) represent theabsolute velocities and directions of motion of the points .1… … Fig. 25. Wheels with Vertical Axes, the Vaaes Revolving in Horizontal Planes. the point .1, T as the relative velocity of the entering stream; andat the point B, v^ as the absolute velocity of the departing stream.For the parallelogram at B, however, the value of T^^ must first becomputed by means…