PENGARUH PENAMBAHAN PROTACTINIUM-231 PADA TINGKAT KEKRITISAN REAKTOR AIR DIDIH BERBAHAN BAKAR THORIUM

FATYAH, RIZKY and Ariani, Menik and Supardi, Supardi (2018) PENGARUH PENAMBAHAN PROTACTINIUM-231 PADA TINGKAT KEKRITISAN REAKTOR AIR DIDIH BERBAHAN BAKAR THORIUM. Undergraduate thesis, Sriwijaya University.

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Abstract

This research discuss about effect of the addition of burnable poison on the fuel that is protactinium thorium-uranium-based combined for BWR longevity with thermal power 500MWt. The fuel in this study consisted of ThO2 combined with 1.8-3% enrichment UO2. To achieve excess reactivity <10% at the beginning of life, the addition of Pa-231 materials is 1-5%. Selection of protactinium in this study because Protactinium-231 has the ability to absorb strong thermal neutrons. On the other hand Pa-231 can compensate for fissile isotopes at the next burnup step. In the addition of Pa-231 as much as 3%, the value of excess reactivity at the beginning of burning <10% was 9.65. Refueling period were achieved just three years, to extend the refueling needs to be improved by adding a combination of thorium fuel with other fuels such as plutonium that longer periods of refueling.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	BWR, Thorium, Burnable poison, Protactinium, k-eff.
Subjects:	Q Science > QC Physics > QC1-999 Physics Q Science > QC Physics > QC120-168.85 Descriptive and experimental mechanics Q Science > QC Physics > QC717.6-718.8 Plasma physics. Ionized gases
Divisions:	08-Faculty of Mathematics and Natural Science > 45201-Physics (S1)
Depositing User:	Mrs Dies Meirita Sari
Date Deposited:	21 Aug 2019 03:12
Last Modified:	21 Aug 2019 03:12
URI:	http://repository.unsri.ac.id/id/eprint/4694

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