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Abstracts and Available Papers Presented at the
2000 International RERTR Meeting

Fabrication of Atomized U-Mo Dispersion Rod Type Fuel for Irradiation Test Related to the Qualification Program

Chang-Kyu Kim, Ho-Jin Ryu, Jong-Man Park, Ki-Hwan Kim,
 Hark-Rho Kim, Kye-Hong Lee

 Korea Atomic Energy Research Institute
 150 Duckjin-dong, Yusong-ku, Taejeon city 305-353, Korea


The qualification program of atomized U-Mo dispersion rod type fuel in connection with the spent fuel management is under way using HANARO in Korea. An investigation on the fuel material properties has been carried out. The U-7wt.%Mo and U-9wt.%Mo fuel rods, which have low density equivalent to HANARO fuel of 3.15 g-U/cc and high density of 6 g-U/cc respectively, were planned to be irradiated in HANARO. A neutron physics calculation for the irradiation test in HANARO was done and the fuel center temperatures were estimated. The diameters of fuel meats with low and high uranium densities were decided to be 6.35 mm and 4.5 mm under the condition that the fuel center temperatures do not go up to 250 ºC. The fuel meat rods for the irradiation test were successfully fabricated by atomization and extrusion.

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Mr. Chang-Kyu Kim
Project Manager
Korea Atomic Energy Research Institute
150 Dukjin-dong Yusong-gu
Daejon, Korea, 305-60

Phone: +82-42-868-2309
Fax:  +82-42-864-1089

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