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Helium expands polytropically through a turbine according to the process pv15=C. The inlet temperature is 1000 K, the inlet pressure is 1000 kPa, and the exit pressure is 150 kPa. The turbine produces 100 MW. Determine (a) the exit temperature, (b) the heat transferred, and (c) the mass flow rate. Ans: 531.3 K; Q= 16,646 kJ/s; m=34.25 kg/s

Helium expands polytropically through a turbine according to the process pv15=C. The inlet temperature is 1000 K, the inlet pressure is 1000 kPa, and the exit pressure is 150 kPa. The turbine produces 100 MW. Determine (a) the exit temperature, (b) the heat transferred, and (c) the mass flow rate. Ans: 531.3 K; Q= 16,646 kJ/s; m=34.25 kg/s

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
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FIRST LAW OF THERMODYNAMICS CONSERVATION OF ENERGY – OPEN SYSTEM

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Helium expands polytropically through a turbine according to the process pv15=C. The inlet temperature is 1000 K, the inlet pressure is 1000 kPa, and the exit pressure is 150 kPa. The turbine produces 100 MW. Determine (a) the exit temperature, (b) the heat transferred, and (c) the mass flow rate. Ans: 531.3 K; Q= 16,646 kJ/s; m=34.25 kg/s
Transcribed Image Text:Helium expands polytropically through a turbine according to the process pv15=C. The inlet temperature is 1000 K, the inlet pressure is 1000 kPa, and the exit pressure is 150 kPa. The turbine produces 100 MW. Determine (a) the exit temperature, (b) the heat transferred, and (c) the mass flow rate. Ans: 531.3 K; Q= 16,646 kJ/s; m=34.25 kg/s
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