Development and Verification of Shielding Database Generation Module in NECP-Atlas

Zu Tiejun; Xu Ning; Cao Liangzhi; Wu Hongchun

doi:10.13832/j.jnpe.2022.03.0015

Volume 43 Issue 3

Jun. 2022

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Zu Tiejun, Xu Ning, Cao Liangzhi, Wu Hongchun. Development and Verification of Shielding Database Generation Module in NECP-Atlas[J]. Nuclear Power Engineering, 2022, 43(3): 15-20. doi: 10.13832/j.jnpe.2022.03.0015

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Zu Tiejun, Xu Ning, Cao Liangzhi, Wu Hongchun. Development and Verification of Shielding Database Generation Module in NECP-Atlas[J]. Nuclear Power Engineering, 2022, 43(3): 15-20. doi: 10.13832/j.jnpe.2022.03.0015

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Development and Verification of Shielding Database Generation Module in NECP-Atlas

doi: 10.13832/j.jnpe.2022.03.0015

School of Nuclear Science and Technology, Xi’an Jiaotong University, Xi’an, 710049, China

Received Date: 2021-03-09
Accepted Date: 2021-09-07
Rev Recd Date: 2021-05-26
Publish Date: 2022-06-07

Abstract

Abstract

The shielding database generation module Shield_calc is developed in the nuclear data processing program NECP-Atlas. This module firstly uses NECP-Atlas to generate a database of fine-group neutron and photon cross sections in MATXS format which is irrelevant to the problem; then uses the ultrafine group method and Bondarenko iterative method to perform resonance self-shielding calculation to obtain effective self-shielding cross-sections; Finally, based on the one-dimensional reactor model, NECP-Hydraa is used for transportation calculation to obtain the typical weight spectrum of the applied reactor type, and the fine-group shielding database is merged into the wide-group shielding database NECL-SHILED. Using Shield_calc module, based on the same evaluation nuclear database ENDF/B-Ⅶ.0 as BUGLE-B7, NECL-SHILED with 47 groups of neutrons and 20 groups of photons is generated and compared with BUGLE-B7. The numerical results show that the calculation results of NECL-SHILD and BUGLE-B7 are in good agreement, which verifies that the Shield_calc module has high accuracy.
- Shielding database,
- Nuclear data processing,
- BUGLE-B7,
- NECP-Atlas,
- NECL-SHILED

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References(20)

References

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