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Steam Generator Research Paper

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Steam generator has to operate for the whole designed life of the nuclear power plant and any crack or degradation can cause severe issues in the operation. It is responsible for the removal of heat from the core. It acts as a separation between the radioactive primary coolant and non-radioactive secondary coolant. The Steam generator tubes are made off of Ni-Cr-Fe based alloys such as alloy-690 are used in the nuclear power plants in the form of thin walled tubes which are exposed to aggressive environments such as high temperature, internal pressure and flow induced vibration etc. Various forms of steam generator tube degradation have resulted in the plugging of more than 100 000 tubes to date around the world One hundred and five steam …show more content…

They are used in pressurized water reactors (PWR) between the primary and secondary coolant loops. Boiling water reactors (BWR) do not use steam generators, as steam is produced in the pressure vessel. In commercial power plants, there are 2 to 4 steam generators per reactor; each steam generator can measure up to 70 feet (~21m) in height and weigh as much as 800 tons. Each steam generator can contain anywhere from 3,000 to 16,000 tubes, each about three-quarters of an inch (~19mm) in diameter. The coolant (treated water), which is maintained at high pressure to prevent boiling, is pumped through the nuclear reactor core. Heat transfer takes place between the reactor core and the circulating water and the coolant is then pumped through the primary tube side of the steam generator by coolant pumps before returning to the reactor …show more content…

It is a complete package of Finite Element Analysis. It has different modules like static structural, fluent, CFX etc. In the static structural the load is applied and supports are provided to the design body and then their effects are studied such as stress, strains, deformation etc. In this module only static loading is done. A static analysis calculates the effects of steady loading conditions on a structure, while ignoring inertia and damping effects, such as those caused by time-varying loads. Static analysis is used to determine the displacements, stresses, strains, and forces in structures or components caused by loads that do not induce significant inertia and damping effects. Steady loading and response conditions are assumed; that is, the loads and the structure's response are assumed to vary slowly with respect to time. The kinds of loading that can be applied in a static analysis

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