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Radiation damage of VVER-440 based Dukovany NPP reactor pressure vessel investigation
Říha, Tomáš ; Martinec, Jiří (referee) ; Šen, Hugo (advisor)
This master‘s thesis deals with radiation damage of reactor pressure vessels, specifically of NPP Dukovany Unit No. 3. In general damage mechanisms of reactor steels are described and possibilities of monitoring of material degradation and its recovery used at NPP’s all over the world are mentioned as well. A practical part of the thesis is focused on interpretation of analyses carried out with the assistance of MOBY DICK code. The ground of these analyses is a neutron fluence value development on different locations of RPV for the whole life of operation up to 24th cycle. The analyses results are put into context with performed in-service inspections. The thesis follows up with neutron fluence computation for the future cycles containing new types of nuclear fuel up to 34th cycle. The outcome of practical part of the master‘s thesis is a comparison between new types of nuclear fuel with respect to radiation damage of RPV’s.
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Nuclear fuel cycles of Dukovany NPP
Peroutková, Alena ; Varmuža, Jan (referee) ; Katovský, Karel (advisor)
This thesis describes types of nuclear power plants, construction of pressurized water reactor, principle of fission processes and energy release. There is more detailed described how reactor works, following chapter of quantities describing operating status. Also is described whole fuel cycle from the uranium extraction to the used fuel storing. Next part of thesis is describing all campaigns of the Dukovany nuclear power station. Thesis also defines steps leading to increasing effectivity energy utilization. This is shown on many graphs and tabs. At the end of thesis, there is a calculation of specific uranium consumption.
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Nuclear fuel cycles of Dukovany NPP
Peroutková, Alena ; Varmuža, Jan (referee) ; Katovský, Karel (advisor)
This thesis describes types of nuclear power plants, construction of pressurized water reactor, principle of fission processes and energy release. There is more detailed described how reactor works, following chapter of quantities describing operating status. Also is described whole fuel cycle from the uranium extraction to the used fuel storing. Next part of thesis is describing all campaigns of the Dukovany nuclear power station. Thesis also defines steps leading to increasing effectivity energy utilization. This is shown on many graphs and tabs. At the end of thesis, there is a calculation of specific uranium consumption.
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Radiation damage of VVER-440 based Dukovany NPP reactor pressure vessel investigation
Říha, Tomáš ; Martinec, Jiří (referee) ; Šen, Hugo (advisor)
This master‘s thesis deals with radiation damage of reactor pressure vessels, specifically of NPP Dukovany Unit No. 3. In general damage mechanisms of reactor steels are described and possibilities of monitoring of material degradation and its recovery used at NPP’s all over the world are mentioned as well. A practical part of the thesis is focused on interpretation of analyses carried out with the assistance of MOBY DICK code. The ground of these analyses is a neutron fluence value development on different locations of RPV for the whole life of operation up to 24th cycle. The analyses results are put into context with performed in-service inspections. The thesis follows up with neutron fluence computation for the future cycles containing new types of nuclear fuel up to 34th cycle. The outcome of practical part of the master‘s thesis is a comparison between new types of nuclear fuel with respect to radiation damage of RPV’s.
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