Actinide and non-actinide production from UO2 fuel in W-SMR: Effects of gadolinium burnable absorber
Burnable neutron absorbers are used for efficient reactivity control especially in light and heavy water reactors. Effect of gadolinium burnable absorber (GdBA) on reactivity, actinide and non-actinide content of nuclear waste was investigated. Westinghouse small modular reactor (W-SMR) was studied...
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Elsevier
2020
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| Online Access: | http://eprints.sunway.edu.my/1614/ |
| _version_ | 1848802099788251136 |
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| author | Uguru, E. H. Abdul Sani, S. F. Khandaker, Mayeen Uddin * Rabir, M. H. |
| author_facet | Uguru, E. H. Abdul Sani, S. F. Khandaker, Mayeen Uddin * Rabir, M. H. |
| author_sort | Uguru, E. H. |
| building | SU Institutional Repository |
| collection | Online Access |
| description | Burnable neutron absorbers are used for efficient reactivity control especially in light and heavy water reactors. Effect of gadolinium burnable absorber (GdBA) on reactivity, actinide and non-actinide content of nuclear waste was investigated. Westinghouse small modular reactor (W-SMR) was studied using MCNPX 2.7 code integrated with CINDER90 for the calculations. Positive reactivity swing was observed in fuel assemblies with GdBA rods. The concentration of actinides was relatively higher in FA without GdBA rod compared to those with GdBA rods. The net activity of 241Pu and 239Np were respectively higher compared to other isotopes of plutonium and neptunium and slightly larger in FAs with GdBA rods. However, a significant increase on the concentration of non-actinide inventory was observed which increased with the number of GdBA rods. Therefore, the use of GdBA for reactivity control should be limited to avoid unrealistic reactivity swing and increased non-actinides content of the spent fuel. |
| first_indexed | 2025-11-14T21:17:58Z |
| format | Article |
| id | sunway-1614 |
| institution | Sunway University |
| institution_category | Local University |
| last_indexed | 2025-11-14T21:17:58Z |
| publishDate | 2020 |
| publisher | Elsevier |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | sunway-16142021-03-12T05:45:16Z http://eprints.sunway.edu.my/1614/ Actinide and non-actinide production from UO2 fuel in W-SMR: Effects of gadolinium burnable absorber Uguru, E. H. Abdul Sani, S. F. Khandaker, Mayeen Uddin * Rabir, M. H. R895-920 Medical Physics/Medical Radiology Burnable neutron absorbers are used for efficient reactivity control especially in light and heavy water reactors. Effect of gadolinium burnable absorber (GdBA) on reactivity, actinide and non-actinide content of nuclear waste was investigated. Westinghouse small modular reactor (W-SMR) was studied using MCNPX 2.7 code integrated with CINDER90 for the calculations. Positive reactivity swing was observed in fuel assemblies with GdBA rods. The concentration of actinides was relatively higher in FA without GdBA rod compared to those with GdBA rods. The net activity of 241Pu and 239Np were respectively higher compared to other isotopes of plutonium and neptunium and slightly larger in FAs with GdBA rods. However, a significant increase on the concentration of non-actinide inventory was observed which increased with the number of GdBA rods. Therefore, the use of GdBA for reactivity control should be limited to avoid unrealistic reactivity swing and increased non-actinides content of the spent fuel. Elsevier 2020-03 Article PeerReviewed Uguru, E. H. and Abdul Sani, S. F. and Khandaker, Mayeen Uddin * and Rabir, M. H. (2020) Actinide and non-actinide production from UO2 fuel in W-SMR: Effects of gadolinium burnable absorber. Annals of Nuclear Energy, 137. p. 107083. ISSN 0306-4549 http://doi.org/10.1016/j.anucene.2019.107083 doi:10.1016/j.anucene.2019.107083 |
| spellingShingle | R895-920 Medical Physics/Medical Radiology Uguru, E. H. Abdul Sani, S. F. Khandaker, Mayeen Uddin * Rabir, M. H. Actinide and non-actinide production from UO2 fuel in W-SMR: Effects of gadolinium burnable absorber |
| title | Actinide and non-actinide production from UO2 fuel in W-SMR: Effects of gadolinium burnable absorber |
| title_full | Actinide and non-actinide production from UO2 fuel in W-SMR: Effects of gadolinium burnable absorber |
| title_fullStr | Actinide and non-actinide production from UO2 fuel in W-SMR: Effects of gadolinium burnable absorber |
| title_full_unstemmed | Actinide and non-actinide production from UO2 fuel in W-SMR: Effects of gadolinium burnable absorber |
| title_short | Actinide and non-actinide production from UO2 fuel in W-SMR: Effects of gadolinium burnable absorber |
| title_sort | actinide and non-actinide production from uo2 fuel in w-smr: effects of gadolinium burnable absorber |
| topic | R895-920 Medical Physics/Medical Radiology |
| url | http://eprints.sunway.edu.my/1614/ http://eprints.sunway.edu.my/1614/ http://eprints.sunway.edu.my/1614/ |