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
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Author:Sadiku, Matthew N. O.
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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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