An impulsive stage of a steam turbine is supplied with dry and saturated steam at 14.8 bar. The stage has a single row of moving blades running at 3500 rev/min. The mean diameter of the blade disc is 0.91 m. The nozzle angle is 16° and the axial component of the absolute velocity leaving the nozzle is 93.5 m/s. The height of the nozzles at their exit is 100 mm. The nozzle efficiency is 0.85 and the blade velocity co-efficiency is 0.966. The exit angle of the moving blades is 3° greater than at the inlet. Determine: (1) The blade inlet and outlet angles. (2) The isentropic heat drop in the stage. (3) The stage efficiency. (4) The power developed by the stage....solve with me 40 minutes
An impulsive stage of a steam turbine is supplied with dry and saturated steam at 14.8 bar. The stage has a single row of moving blades running at 3500 rev/min. The mean diameter of the blade disc is 0.91 m. The nozzle angle is 16° and the axial component of the absolute velocity leaving the nozzle is 93.5 m/s. The height of the nozzles at their exit is 100 mm. The nozzle efficiency is 0.85 and the blade velocity co-efficiency is 0.966. The exit angle of the moving blades is 3° greater than at the inlet. Determine: (1) The blade inlet and outlet angles. (2) The isentropic heat drop in the stage. (3) The stage efficiency. (4) The power developed by the stage....solve with me 40 minutes
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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An impulsive stage of a steam turbine is supplied with dry and saturated steam at 14.8 bar. The stage has a single row of moving blades running at 3500 rev/min. The mean diameter of the blade disc is 0.91 m. The nozzle angle is 16° and the axial component of the absolute velocity leaving the nozzle is 93.5 m/s. The height of the nozzles at their exit is 100 mm. The nozzle efficiency is 0.85 and the blade velocity co-efficiency is 0.966. The exit angle of the moving blades is 3° greater than at the inlet. Determine: (1) The blade inlet and outlet angles. (2) The isentropic heat drop in the stage. (3) The stage efficiency. (4) The power developed by the stage....solve with me 40 minutes
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