In a nuclear power plant heat is transferred in the nuclear reactor to liquid sodium. The liquid sodium is then pumped to a heat exchanger where heat is transferred to steam. The steam leaves this heat exchanger as saturated vapor at 5 MPa, and is then superheated in an external gas fired superheater to 600°C. The steam then enters the turbine, which has one steam extaction point at 0.4 MPa, where steam flows to an open feedwater heater operating at this pressure. The turbine efficiency is 75% and the condenser pressure 7.5 kPa.
In a nuclear power plant heat is transferred in the nuclear reactor to liquid sodium. The liquid sodium is then pumped to a heat exchanger where heat is transferred to steam. The steam leaves this heat exchanger as saturated vapor at 5 MPa, and is then superheated in an external gas fired superheater to 600°C. The steam then enters the turbine, which has one steam extaction point at 0.4 MPa, where steam flows to an open feedwater heater operating at this pressure. The turbine efficiency is 75% and the condenser pressure 7.5 kPa.
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:In a nuclear power plant heat is transferred in the nuclear reactor to liquid sodium. The
liquid sodium is then pumped to a heat exchanger where heat is transferred to steam. The
steam leaves this heat exchanger as saturated vapor at 5 MPa, and is then superheated
in an external gas fired superheater to 600°C. The steam then enters the turbine, which
has one steam extaction point at 0.4 MPa, where steam flows to an open feedwater heater
operating at this pressure. The turbine efficiency is 75% and the condenser pressure is 7.5
kPa.
Determine the heat transfer in the reactor and in the superheater to produce a power
(a) output of 80,000 kW.
(b) What is the steam flow rate to the turbine?
(c) What power motor is required to drive each of the pumps?
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