Steam enters the first-stage turbine shown in Figure (right) at 40 bar and 500°C with a volumetric flow rate of 90 m³/min. Steam exits the turbine at 20 bar and 400°C. The steam is then reheated at constant pressure to 500°C before entering the second-stage turbine. Steam leaves the second stage as saturated vapor at 0.6 bar. For operation at steady state, and ignoring stray heat transfer and kinetic and potential energy effects, determine the a. mass flow rate of the steam, in kg/h. b. total power produced by the two stages of the turbine, in kW. Steam P₁= 40 bar 7₁-500°C (AV), -90 m/min Turbine P20 bar 7₂-400°C Reheater h Quer Turbine Py=20 bar 7₁-500°C Saturated vapor. Pa 0.6 bar Power

Elements Of Electromagnetics
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Steam enters the first-stage turbine shown in Figure (right) at 40 bar and 500°C with a volumetric flow rate of
90 m³/min. Steam exits the turbine at 20 bar and 400°C. The steam is then reheated at constant pressure to
500°C before entering the second-stage turbine. Steam leaves the second stage as saturated vapor at 0.6 bar.
For operation at steady state, and ignoring
stray heat transfer and kinetic and potential
energy effects, determine the
a. mass flow rate of the steam, in kg/h.
b. total power produced by the two stages of
the turbine, in kW.
Steam +
P₁ = 40 bar
T₁=500°C
(AV), -90 m³/min
Turbine
P=20 bar
7₂-400°C
2
Reheater
Qecheater
Turbine
20 bar
T₁-500°C
Saturated
vapor.
P4-0.6 bar
Power
Transcribed Image Text:Steam enters the first-stage turbine shown in Figure (right) at 40 bar and 500°C with a volumetric flow rate of 90 m³/min. Steam exits the turbine at 20 bar and 400°C. The steam is then reheated at constant pressure to 500°C before entering the second-stage turbine. Steam leaves the second stage as saturated vapor at 0.6 bar. For operation at steady state, and ignoring stray heat transfer and kinetic and potential energy effects, determine the a. mass flow rate of the steam, in kg/h. b. total power produced by the two stages of the turbine, in kW. Steam + P₁ = 40 bar T₁=500°C (AV), -90 m³/min Turbine P=20 bar 7₂-400°C 2 Reheater Qecheater Turbine 20 bar T₁-500°C Saturated vapor. P4-0.6 bar Power
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