In the last 20 years however there is an increasing number of pwr nuclear steam generators which develop technical problems such as denting intergranular attack iga vibration of tubes which cause wear and fatigue wastage of tubes pitting erosion corrosion water hammer etc. The nsss provided in the past service which was mostly safe and trouble free. In the steam generator the primary fluid is transported through tubes while its heat is transferred from the primary fluid to the secondary fluid in the shell inside the shell the secondary fluid temperature increases to its saturation temperature and steam is produced.
Laroche in steam generators for nuclear power plants 2017. Jun 26 2020 the expresswire final report will add the analysis of the impact of covid 19 on nuclear steam generator tubing industry global nuclear. The primary loop is usually at very high temperature and pressure.
Nuclear steam generator is used in high pressure water reactor having primary loop piping system that contains coolant and secondary loops have separate piping system here water is converted to steam to rotate turbines which generate electricity attached to the water reactor. The npcil is building four more plants of 1 000 mw units each units 3 4 5 and 6. The steam generator is for the fourth unit that is being set up by india s atomic power company nuclear power corporation of india ltd npcil in kudankulam in tirunelveli district.
They are used in the most nuclear power plants but there are many types according to the reactor type the boiling water reactor does not require steam generators since the water. Steam generators are heat exchangers used to convert feedwater into steam from heat produced in a nuclear reactor core the steam produced drives the turbine. Nuclear power nuclear power plant steam generator.
Once peaceful nuclear reactors were legalized for use as. From there the company started its development and research of nuclear powered steam generators. It was designed and built by the westinghouse power company for the submarine.
The nuclear powered steam generator started as a power plant for the first nuclear submarine the uss nautilus.
