PIK-2 Reactor with a Low Consumption of High-Enrichment Uranium

Autor:	Yu. V. Petrov, É. G. Sakhnovskii, L. M. Kotova, A. N. Erykalov, M. S. Onegin
Rok vydání:	2003
Předmět:	Materials science Control rod Nuclear engineering chemistry.chemical_element Nuclear reactor Uranium Enriched uranium Neutron temperature law.invention Fuel mass fraction Nuclear Energy and Engineering chemistry Nuclear reactor core law Uranium-235 Nuclear chemistry
Zdroj:	Atomic Energy. 95:674-683
ISSN:	1063-4258
DOI:	10.1023/b:aten.0000010984.23173.44
Popis:	Calculations of the possibility of switching the matrix of the fuel-element cores and the vessel with the reactor envelope to weakly neutron-absorbing aluminum and lowering at the same time the fuel content in the fuel elements by 40% are performed for the high-flux PIK reactor which is under construction in Gatchina. As a result, the flux density of the thermal neutrons in the heavy-water reflector increases by a factor of 1.4–1.5 and the maximum unperturbed flux reaches a world record value – 1.9·1015 sec–1·cm–2. The nonuniformity of the volume energy-release decreases to 2.3. The weight of the control rods and reactor safety increase. As a result of the decrease of the fuel content in the fuel elements and the increase of the run duration, about 60 kg of high-enrichment uranium 235U are saved annually, decreasing annual fuel costs by one third.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::704c58c45bdf920ebf55848651da8ed6 https://doi.org/10.1023/b:aten.0000010984.23173.44 Zobrazit plný text záznamu Full text from SpringerLink