Consider a steam power plant that operates on a simple ideal Rankine cycle and has a net power output of 45MW. Steam enters the turbine at 7 MPa and 500 ˚C and is cooled in the condenser at a pressure of 10kPa by running cooling water from a lake through the tubes of the condenser at a rate of 2000 kg/s. Show the schematic diagram of the power plant and draw the cycle on a T-s diagram with respect to saturation lines. Also, determine (a) the thermal efficiency of the cycle, (b) the mass flow rate of the steam, and (c) the rise in temperature of the cooling water.
Consider a steam power plant that operates on a simple ideal Rankine cycle and has a net power output of 45MW. Steam enters the turbine at 7 MPa and 500 ˚C and is cooled in the condenser at a pressure of 10kPa by running cooling water from a lake through the tubes of the condenser at a rate of 2000 kg/s. Show the schematic diagram of the power plant and draw the cycle on a T-s diagram with respect to saturation lines. Also, determine (a) the thermal efficiency of the cycle, (b) the mass flow rate of the steam, and (c) the rise in temperature 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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Consider a steam power plant that operates on a simple ideal Rankine cycle and has a net power output of 45MW. Steam enters the turbine at 7 MPa and 500 ˚C and is cooled in the condenser at a pressure of 10kPa by running cooling water from a lake through the tubes of the condenser at a rate of 2000 kg/s. Show the schematic diagram of the power plant and draw the cycle on a T-s diagram with respect to saturation lines. Also, determine (a) the thermal efficiency of the cycle, (b) the mass flow rate of the steam, and (c) the rise in temperature of the cooling water. Repeat your calculations assuming an isentropic efficiency of 85 and 90 for the turbine and the pump, respectively.
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