METHOD FOR RELATIVE MEASUREMENT OF TOTAL COMPOSITION OF FISSIONABLE URANIUM AND PLUTONIUM ISOTOPES OF IN CORE OF HETEROGENEOUS WATER-MODERATED REACTOR WITH MULTIPLE-LOOP HEAT TRANSFER SCHEME Russian patent published in 1997 - IPC

Abstract RU 2093908 C1

FIELD: nuclear reactors. SUBSTANCE: method involves measurement of count speed of detector of N-16 isotope γ-radiation from coolant by reaction of 0-16 (n, p)N-16 formed in reactor core and measurement of thermal power determined by analyzing heat balance of main circulating loops. Thermal power Omt

to count speed of N-16 isotope γ-radiation detector ratio is determined and change in Owt
ratio with time is used to judge changes in total composition of U-235, Pu-239, and Pu-241 isotopes. EFFECT: facilitated procedure. 1 tbl

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RU 2 093 908 C1

Authors

Tsypin S.G.

Lysenko V.V.

Bogachek L.N.

Baj V.F.

Kuz'Min V.V.

Davidenko N.N.

Grubman V.Ja.

Dumshev V.G.

Aksenov V.I.

Musorin A.I.

Sokolova I.V.

Kovalevich O.M.

Dates

1997-10-20Published

1996-05-29Filed