Neutronics Analysis for Core Assembly in Inverted Hydride-Fueled Pressurized Water Reactor

CENG Zheng-kui; YU Tao; XIE Jin-sen; LIU Jie; QIN Mian

Volume 34 Issue 5

Mar. 2025

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CENG Zheng-kui, YU Tao, XIE Jin-sen, LIU Jie, QIN Mian. Neutronics Analysis for Core Assembly in Inverted Hydride-Fueled Pressurized Water Reactor[J]. Nuclear Power Engineering, 2013, 34(5): 20-24.

Citation:

CENG Zheng-kui, YU Tao, XIE Jin-sen, LIU Jie, QIN Mian. Neutronics Analysis for Core Assembly in Inverted Hydride-Fueled Pressurized Water Reactor[J]. Nuclear Power Engineering, 2013, 34(5): 20-24.

CENG Zheng-kui, YU Tao, XIE Jin-sen, LIU Jie, QIN Mian. Neutronics Analysis for Core Assembly in Inverted Hydride-Fueled Pressurized Water Reactor[J]. Nuclear Power Engineering, 2013, 34(5): 20-24.

Citation:

CENG Zheng-kui, YU Tao, XIE Jin-sen, LIU Jie, QIN Mian. Neutronics Analysis for Core Assembly in Inverted Hydride-Fueled Pressurized Water Reactor[J]. Nuclear Power Engineering, 2013, 34(5): 20-24.

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Neutronics Analysis for Core Assembly in Inverted Hydride-Fueled Pressurized Water Reactor

School of Nuclear Science and Technology, University of South China, Hengyang, Hunan, 421001, China

Received Date: 2012-06-15
Rev Recd Date: 2013-01-20

Available Online: 2025-03-08

Abstract

Abstract

In order to obtain the size of assembly cell with a better physical performance,a preliminary neutronics study was carried out for IPWR core using MCNP program.Firstly,the paper have studied how the k_eff changed with different H/HM（Hydrogen atoms/Heavy metal atoms） in different soluble boron concentration,and a size arrangement of assembly cell lattices is obtain.By comparing the physical performance of different size of assembly cell lattices,some assembly cell lattices which have a better physical performance are obtained.The result shows that:when the H/HM is 6.5 and water channel diameter ranges from 9 to 11mm,the assemblies have a better physical performance and an inherent safety.
- Inverted Pressurized Water reator（IPWR）,
- Neutronics of assembly,
- Hydride fuel

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