The implication of Thorium fraction on neutronic parameters of pebble bed reacto
Joint Authors
Zuhair
Dwijayanto, R. Andika Putra
Suwoto
Setiadipur, Topan
Source
Issue
Vol. 48, Issue 3 (31 Jul. 2021), pp.1-16, 16 p.
Publisher
Kuwait University Academic Publication Council
Publication Date
2021-07-31
Country of Publication
Kuwait
No. of Pages
16
Main Subjects
Pharmacy, Health & Medical Sciences
Abstract EN
Thorium abundance in the Earth's crust is estimated to be three to four times higher than uranium.
This is one potential advantage of Thorium as a provider of attractive fuel to produce nuclear energy.
Fewer transuranics produced by Thorium during the fuel burn up in the reactor may also be another advantage for reducing the long-term burden of high-level long-lived waste.
The scope of this paper is to study the implication of Thorium fraction on neutronic parameters of pebble bed reactor.
The reactor model of HTR-10 was selected, and the (Th, 235U)O2 fuel was used in this study.
The MCNP6 code was applied to solve a series of neutron transport calculations with various Thorium fractions in (Th,235U)O2 fuel based on the ENDF/BVII library.
The calculation results show that the total temperature coefficient of reactivity of Thorium-added pebble bed reactors is generally more negative than those of LEU-fuelled one, except for 10% Thorium fraction.
The kinetic parameters, especially prompt neutron lifetime and neutron generation time of pebble bed reactors, are higher, which means the addition of Thorium in the fuel makes the reactor more easily controlled.
However, the burn-up calculations show that the introduction of Thorium in the same fuel kernel as LEU within the pebble bed reactor is unable to lengthen the fuel residence time, except for a minimum of 40% Thorium fraction.
American Psychological Association (APA)
Zuhair& Dwijayanto, R. Andika Putra& Suwoto& Setiadipur, Topan. 2021. The implication of Thorium fraction on neutronic parameters of pebble bed reacto. Kuwait Journal of Science،Vol. 48, no. 3, pp.1-16.
https://search.emarefa.net/detail/BIM-1503376
Modern Language Association (MLA)
Zuhair…[et al.]. The implication of Thorium fraction on neutronic parameters of pebble bed reacto. Kuwait Journal of Science Vol. 48, no. 3 (Jul. 2021), pp.1-16.
https://search.emarefa.net/detail/BIM-1503376
American Medical Association (AMA)
Zuhair& Dwijayanto, R. Andika Putra& Suwoto& Setiadipur, Topan. The implication of Thorium fraction on neutronic parameters of pebble bed reacto. Kuwait Journal of Science. 2021. Vol. 48, no. 3, pp.1-16.
https://search.emarefa.net/detail/BIM-1503376
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references : p. 15-16
Record ID
BIM-1503376