Fuel type effects on radionuclide inventory
Publish Year: 1395
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
PENPP01_087
تاریخ نمایه سازی: 19 خرداد 1396
Abstract:
The inventory of radionuclides in a reactor core is an important aspect of nuclear safety studies. In this study, fuel depletion analysis of a fuel assembly was performed. For this purpose, using ORIGEN-II and CALIC codes the inventory of radionuclides accumulated in a fuel assembly with the three different fueltypes U3O8, U3Si2 and UAlx-Al after 200 days of operating time in various burns up values was were calculated. The actinides, activation, fission products are separately estimated and assessed. According to the results, infinite multiplication factor changed linearly with burn up time and the amount of the 239Puproduced by U3O8-Al was higher than the other fuel types. Also, the amount of the total fission products activity and decay heat and the amount of the total decay heat and activity from actinides by U3O8-Al was less than and higher than the other fuel types, respectively
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Authors
Rahman Gharari
Nuclear Science and Technology Research Institute (NSTRI), Tehran, Iran
Afshin Hedayat
Nuclear Science and Technology Research Institute (NSTRI), Tehran, Iran
Naemaddin Mataji Kojouri
Nuclear Science and Technology Research Institute (NSTRI), Tehran, Iran
Mohammad Amin Amir Khani
Nuclear Science and Technology Research Institute (NSTRI), Tehran, Iran
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