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A steam power plant operates on the following cycle, producing a net power (Wnet) of 25 MW. Steam enters the turbine at 16 MPa, 550 ˚C, and enters the condenser as saturated mixture at 10 kPa. Subcooled liquid enters the pump at 9 kPa, 35 °C, and leaves at 17 MPa, which then enters the boiler at 16.8 MPa, 33 °C, and exits at 16.2 MPa, 575 °C. The isentropic efficiency of the turbine is 90%, and that of the pump is 83%. Pump) Boiler Condenser m Turbine 10 Determine the mass flow rate of cooling water in the condenser in which temperature rises from 20 °C to 30 °C. Express your answer to five significant figures. m cooling Submit [5] ΑΣΦ | | Request Answer vec ? kg/s

A steam power plant operates on the following cycle, producing a net power (Wnet) of 25 MW. Steam enters the turbine at 16 MPa, 550 ˚C, and enters the condenser as saturated mixture at 10 kPa. Subcooled liquid enters the pump at 9 kPa, 35 °C, and leaves at 17 MPa, which then enters the boiler at 16.8 MPa, 33 °C, and exits at 16.2 MPa, 575 °C. The isentropic efficiency of the turbine is 90%, and that of the pump is 83%. Pump) Boiler Condenser m Turbine 10 Determine the mass flow rate of cooling water in the condenser in which temperature rises from 20 °C to 30 °C. Express your answer to five significant figures. m cooling Submit [5] ΑΣΦ | | Request Answer vec ? kg/s

Elements Of Electromagnetics
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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I am trying to find the mass flow rate of cooling water in the condenser 

Known values

T9 = 20 C, T10 = 30 C, m_dot = 20.27 kg/s, h3 = 2190.209 kJ/kg, h4 = 146.681 kJ/kg

The formulas I have found require using cp or knowing the enthalpies of states 9 and 10 but I am not sure how to find these.

how do I solve this problem.

A steam power plant operates on the following cycle, producing a net power (Wnet) of 25 MW. Steam enters the turbine at 16 MPa, 550 ˚C, and enters the condenser as saturated mixture at 10 kPa. Subcooled liquid enters the pump at 9 kPa, 35 °C, and leaves at 17 MPa, which then enters the boiler at 16.8 MPa, 33 °C, and exits at 16.2 MPa, 575 °C. The isentropic efficiency of the turbine is 90%, and that of the pump is 83%. Pump) Boiler Condenser m Turbine 10
Transcribed Image Text:A steam power plant operates on the following cycle, producing a net power (Wnet) of 25 MW. Steam enters the turbine at 16 MPa, 550 ˚C, and enters the condenser as saturated mixture at 10 kPa. Subcooled liquid enters the pump at 9 kPa, 35 °C, and leaves at 17 MPa, which then enters the boiler at 16.8 MPa, 33 °C, and exits at 16.2 MPa, 575 °C. The isentropic efficiency of the turbine is 90%, and that of the pump is 83%. Pump) Boiler Condenser m Turbine 10
Determine the mass flow rate of cooling water in the condenser in which temperature rises from 20 °C to 30 °C. Express your answer to five significant figures. m cooling Submit [5] ΑΣΦ | | Request Answer vec ? kg/s
Transcribed Image Text:Determine the mass flow rate of cooling water in the condenser in which temperature rises from 20 °C to 30 °C. Express your answer to five significant figures. m cooling Submit [5] ΑΣΦ | | Request Answer vec ? kg/s
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