Study on Breeding of Fast Zone Assembly in SCWR-M

SAN Dong-yong; YU Tao; XIE Jin-sen; PENG Hong-hua; ZENG Zheng-kui

Volume 34 Issue 3

Mar. 2025

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SAN Dong-yong, YU Tao, XIE Jin-sen, PENG Hong-hua, ZENG Zheng-kui. Study on Breeding of Fast Zone Assembly in SCWR-M[J]. Nuclear Power Engineering, 2013, 34(3): 1-4.

Citation:

SAN Dong-yong, YU Tao, XIE Jin-sen, PENG Hong-hua, ZENG Zheng-kui. Study on Breeding of Fast Zone Assembly in SCWR-M[J]. Nuclear Power Engineering, 2013, 34(3): 1-4.

SAN Dong-yong, YU Tao, XIE Jin-sen, PENG Hong-hua, ZENG Zheng-kui. Study on Breeding of Fast Zone Assembly in SCWR-M[J]. Nuclear Power Engineering, 2013, 34(3): 1-4.

Citation:

SAN Dong-yong, YU Tao, XIE Jin-sen, PENG Hong-hua, ZENG Zheng-kui. Study on Breeding of Fast Zone Assembly in SCWR-M[J]. Nuclear Power Engineering, 2013, 34(3): 1-4.

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Study on Breeding of Fast Zone Assembly in SCWR-M

1. School of Nuclear Science and Technology, University of South China, Hengyang, Hunan, 421001, China;
2. The Third Xiangya Hospital of Central South University, Changsha, 410013, China

Received Date: 2012-03-04
Rev Recd Date: 2012-12-06

Available Online: 2025-03-08

Abstract

Abstract

In this paper,a new breeding design of the fast zone in Supercritcial water-cooled Mixed-spectrum Reactor（SCWR-M） is proposed on the basis of the neutron energy spectrum characteristics,that it is harder than the thermal reactor’s and softer than the fast breeding reactor’s.Then,to increase the number of neutron leakage in the fission layers of fuel rods,the layers of fuel rod are increased and the conversion ratio of the fast spectrum assembly in SCWR-M is improved.Finally,the breeding ratio of the fast spectrum assembly in SCWR-M achieves 1.06569 by increasing the fuel rod proliferation layer thickness,correspondingly to reduce its fission layer thickness.
- Neutron energy spectrum,
- Thorium-based,
- Uranium-based,
- Breeding ratio

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