Improving on Assembly of SCWR Using MOX Fuel

Can Hui Sun; Tao Zhou; Zhou Sen Hou; Meng Ying Liu; Feng Luo

doi:10.4028/www.scientific.net/AMR.347-353.1633

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 347-353Improving on Assembly of SCWR Using MOX Fuel

Improving on Assembly of SCWR Using MOX Fuel

Abstract:

A calculation is made for certain Supercritical Water Cooled Reactor (SCWR) using UO₂ fuel and MOX fuel respectively. The results indicate that MOX fuel has a simple power distribution with UO₂ fuel, but there is a larger power uneven factor when using MOX fuel, and using MOX fuel including weapon grade Pu has larger power uneven factor than using MOX fuel including reactor grade Pu. However, in the case of same power distribution, the fuel rod using MOX fuel has a higher temperature than the one using UO₂ fuel. Therefore with the more uneven power distribution, the fuel in SCWR using MOX fuel has a higher temperature. This will result in a big security issue when using MOX fuel in original design of SCWR. Through analyzing the result of power distribution, an improved assembly of SCWR is presented. It can reduce the power uneven factor and increase the security of fuel rod using the improved assembly of SCWR.

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Periodical:

Advanced Materials Research (Volumes 347-353)

Pages:

1633-1636

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https://doi.org/10.4028/www.scientific.net/AMR.347-353.1633

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Online since:

October 2011

Authors:

Can Hui Sun, Tao Zhou, Zhou Sen Hou, Meng Ying Liu, Feng Luo

Keywords:

Improved Assembly, MOX Fuel, Supercritical Water Cooled Reactor

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