The net power of a steam power plant operating on the simple ideal Rankine cycle is 30.5 MW. Water vapor enters the turbine at a pressure of 7 MPa and a temperature of 500 °C, expanding to a condenser pressure of 10kPa in the turbine. The steam is condensed in the condenser by cooling with water supplied from a lake. The flow rate of the lake water is 1950 kg/s. Take the adiabatic efficiency of the pump and turbine as 87%. Show the cycle in the T-s diagram. a) The thermal efficiency of the cycle, b) The flow rate of the steam circulating in the cycle, c) Calculate the temperature rise of the cooling water.
The net power of a steam power plant operating on the simple ideal Rankine cycle is 30.5 MW. Water vapor enters the turbine at a pressure of 7 MPa and a temperature of 500 °C, expanding to a condenser pressure of 10kPa in the turbine. The steam is condensed in the condenser by cooling with water supplied from a lake. The flow rate of the lake water is 1950 kg/s. Take the adiabatic efficiency of the pump and turbine as 87%. Show the cycle in the T-s diagram. a) The thermal efficiency of the cycle, b) The flow rate of the steam circulating in the cycle, c) Calculate 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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The net power of a steam power plant operating on the simple ideal Rankine cycle is 30.5 MW. Water vapor enters the turbine at a pressure of 7 MPa and a temperature of 500 °C, expanding to a condenser pressure of 10kPa in the turbine. The steam is condensed in the condenser by cooling with water supplied from a lake. The flow rate of the lake water is 1950 kg/s. Take the adiabatic efficiency of the pump and turbine as 87%. Show the cycle in the T-s diagram.
a) The thermal efficiency of the cycle,
b) The flow rate of the steam circulating in the cycle,
c) Calculate the temperature rise of the cooling water.
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