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| Titel: |
The mode of operation of CANDU power reactor in thorium self-sufficient fuel cycle |
| Auteur: |
Bergelson Boris R. Gerasimov Alexander S. Tikhomirov Georgy V. |
| Verschenen in: |
Nuclear technology & radiation protection |
| Paginering: | Jaargang 23 (2008) nr. 2 pagina's 16-21 |
| Jaar: |
2008 |
| Inhoud: |
This paper presents the results of calculations for CANDU reactor operation in the thorium fuel cycle. The calculations were performed to estimate feasibility of operation of a heavy-water thermal neutron power reactor in the self-sufficient thorium cycle. The parameters of the active core and the scheme of fuel reloading were considered to be the same as for the standard operation in the uranium cycle. Two modes of operation are discussed in the paper: the mode of preliminary accumulation of 233U and the mode of operation in the self-sufficient cycle. For calculations for the mode of accumulation of 233U, it was assumed that plutonium was used as the additional fissile material to provide neutrons for 233U production. Plutonium was placed in fuel channels, while 232Th was located in target channels. The maximum content of 233U in the target channels was about 13 kg/t of ThO2. This was achieved by six year irradiation. The start of reactor operation in the self-sufficient mode requires content of 233U not less than 12 kg/t. For the mode of operation in the self-sufficient cycle, it was assumed that all the channels were loaded with the identical fuel assemblies containing ThO2 and a certain amount of 233U. It was shown that the non-uniform distribution of 233U in a fuel assembly is preferable. |
| Uitgever: |
VINČA Institute of Nuclear Sciences (provided by DOAJ) |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 72 van 87 gevonden artikelen
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