(THERMODYNAMICS 2 - REHEAT REGENERATIVE CYCLE AND ENGINE)Show complete and step by step solution with ts diagram. 9-1-35 [reheatGen-100MW] A power plant operates on anideal reheat-regenerative Rankine cycle and has a netpower output of 100 MW. Steam enters the high pressureturbine stage at 12 MPa, 550 ° C and leaves at 0.9 MPa.Some steam is extracted at 0.9 MPa to heat theFig. 9-1-35feedwater in an open feedwater heater. The rest of thesteam is reheated to 500 °C and is expanded in the lowpressure turbine to the condenser at a pressure of 8 kPa.Determine (a) the thermal efficiency of the cycle and (b)the mass flow rate of steam through the boiler. (c) What-ifScenario: What would the thermal efficiency be if thesteam entered the turbine at 15 MPa?[Edt ProblemlITEST Solutien)Answers: (a) 45 6%, (b) 672 kg/ a (c) 449 %

Answered: Image /qna-images/answer/d194516f-72e4-4c34-be2b-fe2a6d12c182.jpg

9-1-35 [reheatGen-100MW] A power plant operates on an ideal reheat-regenerative Rankine cycle and has a net power output of 100 MW. Steam enters the high pressure turbine stage at 12 MPa, 550 °C and leaves at 0.9 MPa. Some steam is extracted at 0.9 MPa to heat the feedwater in an open feedwater heater. The rest of the steam is reheated to 500 °C and is expanded in the low pressure turbine to the condenser at a pressure of 8 kPa. Determine (a) the thermal efficiency of the cycle and (b) the mass flow rate of steam through the boiler. (c) What-if Scenario: What would the thermal efficiency be if the steam entered the turbine at 15 MPa? [Edt ProblemUTEST Soutenl

9-1-35 [reheatGen-100MW] A power plant operates on an ideal reheat-regenerative Rankine cycle and has a net power output of 100 MW. Steam enters the high pressure turbine stage at 12 MPa, 550 °C and leaves at 0.9 MPa. Some steam is extracted at 0.9 MPa to heat the feedwater in an open feedwater heater. The rest of the steam is reheated to 500 °C and is expanded in the low pressure turbine to the condenser at a pressure of 8 kPa. Determine (a) the thermal efficiency of the cycle and (b) the mass flow rate of steam through the boiler. (c) What-if Scenario: What would the thermal efficiency be if the steam entered the turbine at 15 MPa? [Edt ProblemUTEST Soutenl

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

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(THERMODYNAMICS 2 - REHEAT REGENERATIVE CYCLE AND ENGINE) Show complete and step by step solution with ts diagram.

9-1-35 [reheatGen-100MW] A power plant operates on an
ideal reheat-regenerative Rankine cycle and has a net
power output of 100 MW. Steam enters the high pressure
turbine stage at 12 MPa, 550 ° C and leaves at 0.9 MPa.
Some steam is extracted at 0.9 MPa to heat the
Fig. 9-1-35
feedwater in an open feedwater heater. The rest of the
steam is reheated to 500 °C and is expanded in the low
pressure turbine to the condenser at a pressure of 8 kPa.
Determine (a) the thermal efficiency of the cycle and (b)
the mass flow rate of steam through the boiler. (c) What-if
Scenario: What would the thermal efficiency be if the
steam entered the turbine at 15 MPa?
[Edt ProblemlITEST Solutien)
Answers: (a) 45 6%, (b) 672 kg/ a (c) 449 %

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