Mechanical equipment of buildings; a reference book for engineers and architects (1916)
Harding, Louis Allen, Willard, Arthur C. (Arthur Cutts), 1878-1960 · New York Wiley · leaf 328
nd Guide Vane Passages.A loss of kinetic energy occurs both in the blades andguide vanes due to the frictional resistance offered to thepassage of the steam. Let Wi = velocity at inlet to blades relative to theblade or the absolute velocity at inletto guide vanes.we = velocity at outlet of blades… … Fig. 15. Single Pressure Stage—TwoVelocity Stages. wi1 ~ X (1.0 - +*) 2g 2g = Wi V 1.0 (17) An energy loss of 10% (\p2 = 0.10) in both blades and guides is frequently assumed in tenta-tive designs for two or more velocity stages. This loss is a function of the velocity and is there-fore not a…
Building · Heating · Ventilation
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