Question

Q.5) In an adiabatic turbine steam enters steadily at 1.8 MPa and 550°C and leaves at 100 kPa. If the isentropic efficiency of the turbine is 61.2% and mass flow rate is 3 kg/s, draw the process in P-h diagram and determine a) Enthalpy and entropy of the steam at the inlet b) Enthalpy of the water at the exit for the case of isentropic expansion ($h_{2s}$). c) Actual enthalpy, entropy and temperature of the fluid at the exit. d) Work produced. e) Plot the effect of the isentropic efficiency on the work output. f) Solve the problem using organic fluid R245fa

          Q.5) In an adiabatic turbine steam enters steadily
at 1.8 MPa and 550°C and leaves at 100 kPa. If the
isentropic efficiency of the turbine is 61.2% and
mass flow rate is 3 kg/s, draw the process in P-h
diagram and determine
a) Enthalpy and entropy of the steam at the inlet
b) Enthalpy of the water at the exit for the case of
isentropic expansion ($h_{2s}$).
c) Actual enthalpy, entropy and temperature of the
fluid at the exit.
d) Work produced.
e) Plot the effect of the isentropic efficiency on the work output.
f) Solve the problem using organic fluid R245fa

Q.5) In an adiabatic turbine steam enters steadily
at 1.8 MPa and 550°C and leaves at 100 kPa. If the
isentropic efficiency of the turbine is 61.2% and
mass flow rate is 3 kg/s, draw the process in P-h
diagram and determine
a) Enthalpy and entropy of the steam at the inlet
b) Enthalpy of the water at the exit for the case of
isentropic expansion (h2s).
c) Actual enthalpy, entropy and temperature of the
fluid at the exit.
d) Work produced.
e) Plot the effect of the isentropic efficiency on the work output.
f) Solve the problem using organic fluid R245fa

Added by Elizabeth H.

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