Question

6. From the U.S. Army Corps of Engineers' record, two hydropower generators became operational in 1968 in Keystone Lake Dam in Tulsa, OK. During rainy season, one of the turbines is operating under a hydraulic head of 84 ft, producing a discharge of 5800 cfs and 34.8 MW power. If the head drops to 65 ft, determine the discharge and power generated. (Watch "Chapter 12-Scaling laws.mp4")

Answer 1

Turbine scaling laws for Discharge loest. 09 D²N D3N Specific speed (Ns),- (NS)2 Head cost. Conta), - Cotton). le (ofwa), power coess D, P2 Because using Head loss Tiubine is fame. Only Heed is dropped н, HI N,2 N22 N2 = .Ni Hi ol N2 H2 5800 x 65 Q2= 84 NA I 022 510 2.054 CFS P2 PL N2² N, 3 312 P2 pii H2 al P2 = PL N,7 312 H2 NP 312 34.8 65 84 :) 23.688 P2 = 23.688 MW