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

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.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

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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