on Q2) Consider a steam power plant that operates a simple Rankine cycle and has a net power output of 45 MW. Steam enters the turbine at 7 MPa and 500°C and is cooled in the condenser at a pressure of 10 kPa by running cooling water from a lake through the tubes of the condenser at a rate of 2000 kg/s, note that steam enter pump with enthalpy 191.81kJ/kg and enter turbine with enthalpy 3411.4kJ/kg and entropy 6.8 kJ/kg.k assuming an isentropic efficiency of 87 percent for both the turbine and the pump determine (a) the thermal efficiency of the cycle, (b) the temperature rise of the cooling water.
on Q2) Consider a steam power plant that operates a simple Rankine cycle and has a net power output of 45 MW. Steam enters the turbine at 7 MPa and 500°C and is cooled in the condenser at a pressure of 10 kPa by running cooling water from a lake through the tubes of the condenser at a rate of 2000 kg/s, note that steam enter pump with enthalpy 191.81kJ/kg and enter turbine with enthalpy 3411.4kJ/kg and entropy 6.8 kJ/kg.k assuming an isentropic efficiency of 87 percent for both the turbine and the pump determine (a) the thermal efficiency of the cycle, (b) the temperature rise of the cooling water.
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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Transcribed Image Text:Q2) Consider a steam power plant that operates on a simple Rankine
cycle and has a net power output of 45 MW. Steam enters the turbine at 7
MPa and 500°C and is cooled in the condenser at a pressure of 10 kPa by
running cooling water from a lake through the tubes of the condenser at a
rate of 2000 kg/s, note that steam enter pump with enthalpy 191.81kJ/kg and enter
turbine with enthalpy 3411.4kJ/kg and entropy 6.8 kJ/kg.k assuming an isentropic
efficiency of 87 percent for both the turbine and the pump determine (a) the thermal
efficiency of the cycle, (b) the temperature rise of the cooling water.
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