A:17:PVTutorial 08...Tutorial Sheet 08Q1:An ideal regenerative Rankine cycle (steam power plant)two open feedwater heaters.The rejected heat from the plant to the atmosphere is found to be 50 MW. Steam enters theturbine at 12.5 MPa and 600°C and exhausts to the condenser at 10 kPa. Steam is extractedfrom the turbine at 0.6 and 0.3 MPa. Water leaves both feedwater heaters as a saturatedliquid. Show the cycle on a T-s diagram, and determine (a) the net power output of the powerplant in MW and (b) the thermal efficiency of the cycle.Q2:A steam power plant operates on an ideal regenerative Rankine cycle with twa openfeedwater heaters. Steam enters the turbine at 10 MPa and 60o'C and exhausts to thecondenser at 5 kPa. Steam is extracted from the turbine at 0.6 and 0.2 MPa. Water leavesboth feedwater heaters as a saturated liquid. The mass flow rate of steam through the boileris 22 kg/s. Show the cycle on a T-s diagram, and determine (a) the net power output of thepower plant and (b) the thermal efficiency of the cycle.

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Tutorial Sheet 08 Q1: An ideal regenerative Rankine cycle (steam power plant) has two open feedwater heaters. The rejected heat from the plant to the atmosphere is found to be 50 MW. Steam enters the turbine at 12.5 MPa and 600°C and exhausts to the condenser at 10 kPa. Steam is extracted from the turbine at 0.6 and 0.3 MPa. Water leaves both feedwater heaters as a saturated liquid. Show the cycle on a T-s diagram, and determine (a) the net power output of the power plant in MW and (b) the thermal efficiency of the cydle.

Tutorial Sheet 08 Q1: An ideal regenerative Rankine cycle (steam power plant) has two open feedwater heaters. The rejected heat from the plant to the atmosphere is found to be 50 MW. Steam enters the turbine at 12.5 MPa and 600°C and exhausts to the condenser at 10 kPa. Steam is extracted from the turbine at 0.6 and 0.3 MPa. Water leaves both feedwater heaters as a saturated liquid. Show the cycle on a T-s diagram, and determine (a) the net power output of the power plant in MW and (b) the thermal efficiency of the cydle.

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:17:PV
Tutorial 08...
Tutorial Sheet 08
Q1:
An ideal regenerative Rankine cycle (steam power plant)
two open feedwater heaters.
The rejected heat from the plant to the atmosphere is found to be 50 MW. Steam enters the
turbine at 12.5 MPa and 600°C and exhausts to the condenser at 10 kPa. Steam is extracted
from the turbine at 0.6 and 0.3 MPa. Water leaves both feedwater heaters as a saturated
liquid. Show the cycle on a T-s diagram, and determine (a) the net power output of the power
plant in MW and (b) the thermal efficiency of the cycle.
Q2:
A steam power plant operates on an ideal regenerative Rankine cycle with twa open
feedwater heaters. Steam enters the turbine at 10 MPa and 60o'C and exhausts to the
condenser at 5 kPa. Steam is extracted from the turbine at 0.6 and 0.2 MPa. Water leaves
both feedwater heaters as a saturated liquid. The mass flow rate of steam through the boiler
is 22 kg/s. Show the cycle on a T-s diagram, and determine (a) the net power output of the
power plant and (b) the thermal efficiency of the cycle.

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