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Q4// The nozzles of the impulse stage of turbine receive steam at 15 bar, 300 °C and discharge it at 10 bar. The nozzle efficiency is 95 % and the nozzle angle is 20°. The blade speed is that required for maximum power and the inlet angle of the blades is that required for entry of steam without shock .the blade exit angle is 5° less than the inlet angle. The blade velocity coefficient is 0.9. Calculate for steam flow rate 1350 kg/hr: 1. The diagram power. Answer (30.3 kW, 86.3 % ) 2. The diagram efficiency.

Q4// The nozzles of the impulse stage of turbine receive steam at 15 bar, 300 °C and discharge it at 10 bar. The nozzle efficiency is 95 % and the nozzle angle is 20°. The blade speed is that required for maximum power and the inlet angle of the blades is that required for entry of steam without shock .the blade exit angle is 5° less than the inlet angle. The blade velocity coefficient is 0.9. Calculate for steam flow rate 1350 kg/hr: 1. The diagram power. Answer (30.3 kW, 86.3 % ) 2. The diagram efficiency.

Elements Of Electromagnetics
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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Q4// The nozzles of the impulse stage of turbine receive steam at 15 bar, 300 °C and discharge it at 10 bar. The nozzle efficiency is 95 % and the nozzle angle is 20°. The blade speed is that required for maximum power and the inlet angle of the blades is that required for entry of steam without shock .the blade exit angle is 5° less than the inlet angle. The blade velocity coefficient is 0.9. Calculate for steam flow rate 1350 kg/hr: 1. The diagram power. Answer (30.3 kW , 86.3 % ) 2. The diagram efficiency.
Transcribed Image Text:Q4// The nozzles of the impulse stage of turbine receive steam at 15 bar, 300 °C and discharge it at 10 bar. The nozzle efficiency is 95 % and the nozzle angle is 20°. The blade speed is that required for maximum power and the inlet angle of the blades is that required for entry of steam without shock .the blade exit angle is 5° less than the inlet angle. The blade velocity coefficient is 0.9. Calculate for steam flow rate 1350 kg/hr: 1. The diagram power. Answer (30.3 kW , 86.3 % ) 2. The diagram efficiency.
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