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Review of the microheterogeneous thoria-urania fuel for micro-sized high temperature reactors

Nuclear fuels; Pelletizing; Pressurized water reactors; Thoria; Thorium; Uranium dioxide; Blanket configurations; Economic performance; Inherent characteristics; Micro-heterogeneous; Power distributions; Reactor designs; Systematic Review; Thermal margins; High temperature reactors

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Bibliographic Details
Main Authors: Rabir M.H., Ismail A.F., Yahya M.S.
Other Authors: 55898782000
Format: Review
Published: John Wiley and Sons Ltd 2023
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spelling my.uniten.dspace-261372023-05-29T17:07:05Z Review of the microheterogeneous thoria-urania fuel for micro-sized high temperature reactors Rabir M.H. Ismail A.F. Yahya M.S. 55898782000 29067828200 56287449000 Nuclear fuels; Pelletizing; Pressurized water reactors; Thoria; Thorium; Uranium dioxide; Blanket configurations; Economic performance; Inherent characteristics; Micro-heterogeneous; Power distributions; Reactor designs; Systematic Review; Thermal margins; High temperature reactors This paper presents a systematic review of the micro-modular thorium-fueled high temperature reactors (HTR) loaded with duplex fuel pellet design. Specifically, each unique criterion of the design is discussed separately in an attempt to understand the combined advantages of the proposed reactor. Micro modular HTRs have great potential as a source of electricity or industrial heat in the future. The use of thorium not only improves its economic performance and safety, but also prolongs its operation. Nevertheless, the traditional seed-and-blanket configuration would not be able to maximize the thorium fuel burnup. As such, a new tristructural-isotopic (TRISO) fuel based on duplex pellet designs were proposed instead. It should be noted that these duplex pellets were not practical for pressurized water reactor (PWR) technology due to its uneven power distribution which possibly leads to a very high local pellet temperature. However, this unorthodox inherent characteristics of the duplex pellets may actually suit the HTR burnup profile better due to its substantially higher thermal margin - thus possibly enabling a relatively long operation of the HTR. The paper shall thereby provide a reasonably sound justification for the detailed technical investigations of the proposed reactor design. � 2020 John Wiley & Sons Ltd Final 2023-05-29T09:07:05Z 2023-05-29T09:07:05Z 2021 Review 10.1002/er.5923 2-s2.0-85090453795 https://www.scopus.com/inward/record.uri?eid=2-s2.0-85090453795&doi=10.1002%2fer.5923&partnerID=40&md5=8f19e7b22f91ea4527c1914e0c654097 https://irepository.uniten.edu.my/handle/123456789/26137 45 8 11440 11458 All Open Access, Bronze John Wiley and Sons Ltd Scopus
institution Universiti Tenaga Nasional
building UNITEN Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Tenaga Nasional
content_source UNITEN Institutional Repository
url_provider http://dspace.uniten.edu.my/
description Nuclear fuels; Pelletizing; Pressurized water reactors; Thoria; Thorium; Uranium dioxide; Blanket configurations; Economic performance; Inherent characteristics; Micro-heterogeneous; Power distributions; Reactor designs; Systematic Review; Thermal margins; High temperature reactors
author2 55898782000
author_facet 55898782000
Rabir M.H.
Ismail A.F.
Yahya M.S.
format Review
author Rabir M.H.
Ismail A.F.
Yahya M.S.
spellingShingle Rabir M.H.
Ismail A.F.
Yahya M.S.
Review of the microheterogeneous thoria-urania fuel for micro-sized high temperature reactors
author_sort Rabir M.H.
title Review of the microheterogeneous thoria-urania fuel for micro-sized high temperature reactors
title_short Review of the microheterogeneous thoria-urania fuel for micro-sized high temperature reactors
title_full Review of the microheterogeneous thoria-urania fuel for micro-sized high temperature reactors
title_fullStr Review of the microheterogeneous thoria-urania fuel for micro-sized high temperature reactors
title_full_unstemmed Review of the microheterogeneous thoria-urania fuel for micro-sized high temperature reactors
title_sort review of the microheterogeneous thoria-urania fuel for micro-sized high temperature reactors
publisher John Wiley and Sons Ltd
publishDate 2023
_version_ 1806424177246208000
score 13.211869

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