8.4 Water is the working fluid in an ideal Rankine cycle. Saturated vapor enters the turbine at 16 MPa, and the condenser pressure is 8 kPa. The mass flow rate of steam entering the turbine is 120 kg/s. Determine a. the net power developed, in kW. 1.112 × 105 b. the rate of heat transfer to the steam passing through the boiler, in kW. 2.869 × 105 c. the thermal efficiency. 38.8% d. the mass flow rate of condenser cooling water, in kg/s, if the cooling water undergoes a temperature increase of 18°C with negligible pressure change in passing through the condenser. 2335

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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8.4 Water is the working fluid in an ideal Rankine cycle. Saturated vapor enters the
turbine at 16 MPa, and the condenser pressure is 8 kPa. The mass flow rate of steam
entering the turbine is 120 kg/s. Determine
a. the net power developed, in kW. 1.112 × 105
b. the rate of heat transfer to the steam passing through the boiler, in kW. 2.869 ×
105
c. the thermal efficiency. 38.8%
d. the mass flow rate of condenser cooling water, in kg/s, if the cooling water
undergoes a temperature increase of 18°C with negligible pressure change in passing
through the condenser. 2335
Transcribed Image Text:8.4 Water is the working fluid in an ideal Rankine cycle. Saturated vapor enters the turbine at 16 MPa, and the condenser pressure is 8 kPa. The mass flow rate of steam entering the turbine is 120 kg/s. Determine a. the net power developed, in kW. 1.112 × 105 b. the rate of heat transfer to the steam passing through the boiler, in kW. 2.869 × 105 c. the thermal efficiency. 38.8% d. the mass flow rate of condenser cooling water, in kg/s, if the cooling water undergoes a temperature increase of 18°C with negligible pressure change in passing through the condenser. 2335
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