A steam Power plant operates on an ideal reheat – regenerative Rankine Cycle and has a net power output of 120 MW. Steam enters the high – pressure turbine at 10 MPa and 500 degrees Celsius and leaves at 0.8 MPa. Some steam is extracted at this pressure to heat the feedwater in an open feedwater heater. The rest of the steam is reheated to 500 degrees Celsius and is expanded in the low – pressure of 10 KPa. Show the cycle on a T-S diagram with respect to the saturation lines, and determine a.) Enthalpy in each point of the cycle b.) mass flow rate of steam through the boiler c.) The thermal efficiency of the cycle. d.) Work Turbine e.) Work pump
A steam Power plant operates on an ideal reheat – regenerative Rankine Cycle and has a net power output of 120 MW. Steam enters the high – pressure turbine at 10 MPa and 500 degrees Celsius and leaves at 0.8 MPa. Some steam is extracted at this pressure to heat the feedwater in an open feedwater heater. The rest of the steam is reheated to 500 degrees Celsius and is expanded in the low – pressure of 10 KPa. Show the cycle on a T-S diagram with respect to the saturation lines, and determine a.) Enthalpy in each point of the cycle b.) mass flow rate of steam through the boiler c.) The thermal efficiency of the cycle. d.) Work Turbine e.) Work pump
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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Question
A steam Power plant operates on an ideal reheat – regenerative Rankine Cycle and has a net
power output of 120 MW. Steam enters the high – pressure turbine at 10 MPa and 500 degrees Celsius and leaves at 0.8 MPa. Some steam is extracted at this pressure to heat the feedwater in an open feedwater heater. The rest of the steam is reheated to 500 degrees Celsius and is expanded in the
low – pressure of 10 KPa. Show the cycle on a T-S diagram with respect to the saturation lines,
and determine
a.) Enthalpy in each point of the cycle
b.) mass flow rate of steam through the
boiler
c.) The thermal efficiency of the cycle.
d.) Work Turbine
e.) Work pump
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