ThO2 spent fuel assembly’ s gamma dose rate dependency to burnup and cooling time

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GHOLAMZADEH ZOHREH; Golshanian Mohadase; MIRVAKILI SEYED MOHAMMAD

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Journal Paper

Paper Information

Journal: Radiation Physics and Engineering Year:2020 | Volume:1 | Issue:3 Page(s): 43-48

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Title

ThO2 spent fuel assembly’ s gamma dose rate dependency to burnup and cooling time

Author(s)

GHOLAMZADEH ZOHREH | Golshanian Mohadase | MIRVAKILI SEYED MOHAMMAD | Issue Writer Certificate

Keywords

Gamma dose rate

Thorium spent fuel

Computational calculations

MCNPX code

Abstract

Today thorium based fuels are being investigated as possible alternatives in fuel technology. However, the majority of thorium fuel research studies are limited to reactor physics investigations, and there are concerns about dose evaluation and shielding of such spent fuels. The present work investigates burn-up behavior of thorium oxide fuel in Tehran research reactor. The fuel Gamma dose rates are calculated at different burnups and cooling times. A comparison between the reactor routine fuel and the thorium oxide fuel is conducted to reveal shielding challenges of the thorium-based fuel application. Despite the U3O8-Al routine fuel, the obtained results showed that ThO2 Gamma dose rates are completely dependent on the burn-up values. In addition, for transporting the spent ThO2 fuel with the routine transport casks, there is a necessity for the higher cooling times compared with that of U3O8-Al. Otherwise, construction of thicker transport casks is needed to transport the thorium-based spent fuel in shorter times.

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APA: Copy

GHOLAMZADEH, ZOHREH, Golshanian, Mohadase, & MIRVAKILI, SEYED MOHAMMAD. (2020). ThO2 spent fuel assembly’ s gamma dose rate dependency to burnup and cooling time. RADIATION PHYSICS AND ENGINEERING, 1(3), 43-48. SID. https://sid.ir/paper/355233/en

Vancouver: Copy

GHOLAMZADEH ZOHREH, Golshanian Mohadase, MIRVAKILI SEYED MOHAMMAD. ThO2 spent fuel assembly’ s gamma dose rate dependency to burnup and cooling time. RADIATION PHYSICS AND ENGINEERING[Internet]. 2020;1(3):43-48. Available from: https://sid.ir/paper/355233/en

IEEE: Copy

ZOHREH GHOLAMZADEH, Mohadase Golshanian, and SEYED MOHAMMAD MIRVAKILI, “ThO2 spent fuel assembly’ s gamma dose rate dependency to burnup and cooling time,” RADIATION PHYSICS AND ENGINEERING, vol. 1, no. 3, pp. 43–48, 2020, [Online]. Available: https://sid.ir/paper/355233/en

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