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. assuming an isentropic efficiency of 87 percent for both the turbine and the pump. Show the cycle on a T-s diagram with respect to saturation lines, and determine (a) the thermal efficiency of the cycle, (b) the mass flow rate of the steam, and (c) the temperature rise of the cooling water.
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. assuming an isentropic efficiency of 87 percent for both the turbine and the pump. Show the cycle on a T-s diagram with respect to saturation lines, and determine (a) the thermal efficiency of the cycle, (b) the mass flow rate of the steam, and (c) 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. assuming an isentropic efficiency of
87 percent for both the turbine and the pump. Show the cycle on a T-s
diagram with respect to saturation lines, and determine (a) the thermal
efficiency of the cycle, (b) the mass flow rate of the steam, and (c) the
temperature rise of the cooling water.
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