Answer to Question #128845 in Thermal Power Engineering for Ariyo Emmanuel

Question #128845
A turbine operating under steady-flow conditions receives steam at the following state: pressure 13.8 bar, specific volume 0.143 m3/kg, specific internal energy 2590 kJ/kg, velocity 30 m/s. The state of the steam leaving the turbine is as follows: pressure 0.35bar,specific volume 4.37 m3/kg, specific internal energy 2360 kJ/kg, velocity 90 m/s Heat is rejected to the surroundings at the rate of 0.25 kW and the rate of steam flow through the turbine is 0.38 kg/s. Calculate the power developed by the turbine.
Expert's answer

From the question the value of :

  • velocity is in m/s
  • the mass flow is in kg/s
  • pressure in pa
  • Q is in J/s
  • internal energy in j/k
  • specific volume m3/kg

the unit of W will be J/s or W

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