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Water vapor at a rate of 40,000 kg/h and at 8 MPa and 500 C enters an adiabatic turbine and leaves the turbine at 40 kPa as saturated vapor. The rate of entropy generation for this turbine is close to,

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jesusm1

Answer:

  1. M(dot)= 40000 kg/h
  2. Pressure= 8Mpa and T= 500C
  3. If its adiabatic then you know that it loses no heat or Q(dot) =0
  4. You have a turbine which drives a shaft producing work for the other systems.
  5. We want to find entropy production of alpha.

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