8.4 The later stages in an axial flow turbine are reaction-type stages. In one such stage, the degree of reaction is 50%. The mean radius and height of the rotor blades are 3 in. and 1 in., respectively. The speed is 40,000 rpm and the flow coefficient p=0.24. The rotor exhaust temperature and pressure are 60°F and 14.7 psia, respectively. If V2 = 1100 ft./s, calculate the following: (a) nozzle angle, (b) blade loading coef- ficient, (c) total temperature at the stage inlet and exit, and (d) power. Also, show the process on a T-s diagram. Ans: az=78.13°; y=1.1; T2=727°R; To3=525.5°R; power=171 hp %3D %3D %3D
8.4 The later stages in an axial flow turbine are reaction-type stages. In one such stage, the degree of reaction is 50%. The mean radius and height of the rotor blades are 3 in. and 1 in., respectively. The speed is 40,000 rpm and the flow coefficient p=0.24. The rotor exhaust temperature and pressure are 60°F and 14.7 psia, respectively. If V2 = 1100 ft./s, calculate the following: (a) nozzle angle, (b) blade loading coef- ficient, (c) total temperature at the stage inlet and exit, and (d) power. Also, show the process on a T-s diagram. Ans: az=78.13°; y=1.1; T2=727°R; To3=525.5°R; power=171 hp %3D %3D %3D
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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