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Reduced Enrichment for Research and Test Reactors
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Abstracts and Available Papers Presented at the
2003 International RERTR Meeting

Development of irt-type fuel assembly with pin-type fuel elements for LEU conversion of WWR-SM research reactor in uzbekistan

A. Vatulin, A. Morozov, V. Suprun, I. Dobrikova, V. Mishunin, G. Kulakov

Federal State Unitary Enterprise
A.A.Bochvar All-Russian Scientific Research Institute of Inorganic Materials (VNIINM)
123060 Moscow, P.B. 369, Russia

A. Alexandrov, A. Enin, A. Tkachev

Novosibirsk plant (NZChK)
630110 Novosibirsk, Hmelnitsky 94, Russia


The principle design of an IRT-type FA with pin-type fuel elements has been developed.

This work is being conducted in two main directions:

1.technological research on fabrication of FA as a whole and of its constituent parts;

2.calculational research on substantiation of IRT-type FE and FA designs with regard to the WWR-SM reactor (Uzbekistan).

At present, large set of technological investigations of FE and FA fabrication processes and large set of neutronics, thermal hydraulic and strength calculations has been performed.  These research of FE and FA design are being performed in close cooperation with NZChK, ANL and RRC KI within Russian and international RERTR programs.

The dispersion fuel U-9%Мо in Al matrix is chosen. The optimum U-235/FA loading is defined. Two full-scaled dummy of FA for hydraulic tests have been manufactured jointly by Bochvar Institute and Novosibirsk plant (NZChK).

Preliminary results of joint studies are presented in paper.

PDF version available
DOWNLOAD full paper in PDF format.

Ms. Irina V. Dobrikova
Senior Engineer
 “A.A. Bochvar Institute All-Russia Research Institute of Inorganic Materials”
VNIINM Bochvar Institute
P.O. Box 369
123060, Moscow
Russian Federation
Phone:  +7 (095) 190-8079
Fax:      +7 (095) 196-4075
E-mail:  [email protected]

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Last modified on July 29, 2008 11:34 +0200