Burning of MOX fuels in LWRs; Fuel history effects on thermal properties of hull and end piece wastes and the repository performance

Fumio Hirano, Seichi Sato, Tamotsu Kozaki, Yaohiro Inagaki, Tomohiko Iwasaki, Toshiaki Ohe, Kazuyuki Kato, Kazumi Kitayama, Shinya Nagasaki, Yuichi Niibori

Research output: Contribution to journalArticle

Abstract

The thermal impacts of hull and end piece wastes from the reprocessing of MOX spent fuels burned in LWRs on repository performance were investigated. The heat generation rates in MOX spent fuels and the resulting heat generation rates in hull and end piece wastes change depending on the history of MOX fuels. This history includes the burn-up of UO 2 spent fuels from which the Pu is obtained, the cooling period before reprocessing, the storage period of fresh MOX fuels before being loaded into an LWR, as well as the burn-up of the MOX fuels. The heat generation rates in hull and end piece wastes from the reprocessing of MOX spent fuels with any of those histories are significantly larger than those from UO 2 spent fuels with burn-ups of 45 GWd/THM. If a temperature below 808C is specified for cement-based materials used in waste packages after disposal, the allowable number of canisters containing compacted hull and end pieces in a package for 45 and 70 GWd-MOX needs to be limited to a value of 0.4-1.6, which is significantly lower than 4.0 for 45 GWd-UO 2.

Original languageEnglish
Pages (from-to)310-319
Number of pages10
Journaljournal of nuclear science and technology
Volume49
Issue number3
DOIs
Publication statusPublished - Apr 5 2012

Fingerprint

spent fuels
Spent fuels
Thermodynamic properties
thermodynamic properties
histories
heat generation
Heat generation
cans
disposal
cements
Waste disposal
Cements
Cooling
cooling

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Nuclear Energy and Engineering

Cite this

Burning of MOX fuels in LWRs; Fuel history effects on thermal properties of hull and end piece wastes and the repository performance. / Hirano, Fumio; Sato, Seichi; Kozaki, Tamotsu; Inagaki, Yaohiro; Iwasaki, Tomohiko; Ohe, Toshiaki; Kato, Kazuyuki; Kitayama, Kazumi; Nagasaki, Shinya; Niibori, Yuichi.

In: journal of nuclear science and technology, Vol. 49, No. 3, 05.04.2012, p. 310-319.

Research output: Contribution to journalArticle

Hirano, Fumio ; Sato, Seichi ; Kozaki, Tamotsu ; Inagaki, Yaohiro ; Iwasaki, Tomohiko ; Ohe, Toshiaki ; Kato, Kazuyuki ; Kitayama, Kazumi ; Nagasaki, Shinya ; Niibori, Yuichi. / Burning of MOX fuels in LWRs; Fuel history effects on thermal properties of hull and end piece wastes and the repository performance. In: journal of nuclear science and technology. 2012 ; Vol. 49, No. 3. pp. 310-319.
@article{ee978c0c44524f1f9bb08fe2e8c501ce,
title = "Burning of MOX fuels in LWRs; Fuel history effects on thermal properties of hull and end piece wastes and the repository performance",
abstract = "The thermal impacts of hull and end piece wastes from the reprocessing of MOX spent fuels burned in LWRs on repository performance were investigated. The heat generation rates in MOX spent fuels and the resulting heat generation rates in hull and end piece wastes change depending on the history of MOX fuels. This history includes the burn-up of UO 2 spent fuels from which the Pu is obtained, the cooling period before reprocessing, the storage period of fresh MOX fuels before being loaded into an LWR, as well as the burn-up of the MOX fuels. The heat generation rates in hull and end piece wastes from the reprocessing of MOX spent fuels with any of those histories are significantly larger than those from UO 2 spent fuels with burn-ups of 45 GWd/THM. If a temperature below 808C is specified for cement-based materials used in waste packages after disposal, the allowable number of canisters containing compacted hull and end pieces in a package for 45 and 70 GWd-MOX needs to be limited to a value of 0.4-1.6, which is significantly lower than 4.0 for 45 GWd-UO 2.",
author = "Fumio Hirano and Seichi Sato and Tamotsu Kozaki and Yaohiro Inagaki and Tomohiko Iwasaki and Toshiaki Ohe and Kazuyuki Kato and Kazumi Kitayama and Shinya Nagasaki and Yuichi Niibori",
year = "2012",
month = "4",
day = "5",
doi = "10.1080/00223131.2012.660021",
language = "English",
volume = "49",
pages = "310--319",
journal = "Journal of Nuclear Science and Technology",
issn = "0022-3131",
publisher = "Atomic Energy Society of Japan",
number = "3",

}

TY - JOUR

T1 - Burning of MOX fuels in LWRs; Fuel history effects on thermal properties of hull and end piece wastes and the repository performance

AU - Hirano, Fumio

AU - Sato, Seichi

AU - Kozaki, Tamotsu

AU - Inagaki, Yaohiro

AU - Iwasaki, Tomohiko

AU - Ohe, Toshiaki

AU - Kato, Kazuyuki

AU - Kitayama, Kazumi

AU - Nagasaki, Shinya

AU - Niibori, Yuichi

PY - 2012/4/5

Y1 - 2012/4/5

N2 - The thermal impacts of hull and end piece wastes from the reprocessing of MOX spent fuels burned in LWRs on repository performance were investigated. The heat generation rates in MOX spent fuels and the resulting heat generation rates in hull and end piece wastes change depending on the history of MOX fuels. This history includes the burn-up of UO 2 spent fuels from which the Pu is obtained, the cooling period before reprocessing, the storage period of fresh MOX fuels before being loaded into an LWR, as well as the burn-up of the MOX fuels. The heat generation rates in hull and end piece wastes from the reprocessing of MOX spent fuels with any of those histories are significantly larger than those from UO 2 spent fuels with burn-ups of 45 GWd/THM. If a temperature below 808C is specified for cement-based materials used in waste packages after disposal, the allowable number of canisters containing compacted hull and end pieces in a package for 45 and 70 GWd-MOX needs to be limited to a value of 0.4-1.6, which is significantly lower than 4.0 for 45 GWd-UO 2.

AB - The thermal impacts of hull and end piece wastes from the reprocessing of MOX spent fuels burned in LWRs on repository performance were investigated. The heat generation rates in MOX spent fuels and the resulting heat generation rates in hull and end piece wastes change depending on the history of MOX fuels. This history includes the burn-up of UO 2 spent fuels from which the Pu is obtained, the cooling period before reprocessing, the storage period of fresh MOX fuels before being loaded into an LWR, as well as the burn-up of the MOX fuels. The heat generation rates in hull and end piece wastes from the reprocessing of MOX spent fuels with any of those histories are significantly larger than those from UO 2 spent fuels with burn-ups of 45 GWd/THM. If a temperature below 808C is specified for cement-based materials used in waste packages after disposal, the allowable number of canisters containing compacted hull and end pieces in a package for 45 and 70 GWd-MOX needs to be limited to a value of 0.4-1.6, which is significantly lower than 4.0 for 45 GWd-UO 2.

UR - http://www.scopus.com/inward/record.url?scp=84859251080&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84859251080&partnerID=8YFLogxK

U2 - 10.1080/00223131.2012.660021

DO - 10.1080/00223131.2012.660021

M3 - Article

AN - SCOPUS:84859251080

VL - 49

SP - 310

EP - 319

JO - Journal of Nuclear Science and Technology

JF - Journal of Nuclear Science and Technology

SN - 0022-3131

IS - 3

ER -