Research and development on high burnup HTGR fuels in JAEA

JAEA has been progressing to design HTGR fuels for not only small-type practical HTGRs but also VHTR proposed in GIF which can be utilized for various purposes with high-temperature heat at 750 to 950 °C. To increase economy of these HTGRs, JAEA has been upgrading the design method for the HTGR fue...

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Autores principales:	Shohei UETA, Naoki MIZUTA, Koei SASAKI, Nariaki SAKABA, Hirofumi OHASHI, Xing L. YAN
Formato:	article
Lenguaje:	EN
Publicado:	The Japan Society of Mechanical Engineers 2020
Materias:	htgr fuel high burnup coated fuel particle fuel compact Mechanical engineering and machinery TJ1-1570
Acceso en línea:	https://doaj.org/article/23591791aa7c4d3b80b5f8d5efe763c9
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spelling	oai:doaj.org-article:23591791aa7c4d3b80b5f8d5efe763c92021-11-29T05:56:31ZResearch and development on high burnup HTGR fuels in JAEA2187-974510.1299/mej.19-00571https://doaj.org/article/23591791aa7c4d3b80b5f8d5efe763c92020-02-01T00:00:00Zhttps://www.jstage.jst.go.jp/article/mej/7/3/7_19-00571/_pdf/-char/enhttps://doaj.org/toc/2187-9745JAEA has been progressing to design HTGR fuels for not only small-type practical HTGRs but also VHTR proposed in GIF which can be utilized for various purposes with high-temperature heat at 750 to 950 °C. To increase economy of these HTGRs, JAEA has been upgrading the design method for the HTGR fuel, which can maintain their integrities at the burnup of three to four times higher than that of the conventional HTTR fuel. Design principles and specifications of various concepts of the high burnup HTGR fuels designed by JAEA are reported. As the latest results on post-irradiation examinations of the high burnup HTGR fuel progressing in a framework of international collaboration with Kazakhstan, irradiation shrinkage rate of the fuel compact as a function of fast neutron fluence was obtained at around 100 GWd/thm. Furthermore, the future R&Ds needed for the high burnup HTGR fuel are described based on these experimental results.Shohei UETANaoki MIZUTAKoei SASAKINariaki SAKABAHirofumi OHASHIXing L. YANThe Japan Society of Mechanical Engineersarticlehtgrfuelhigh burnupcoated fuel particlefuel compactMechanical engineering and machineryTJ1-1570ENMechanical Engineering Journal, Vol 7, Iss 3, Pp 19-00571-19-00571 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	htgr fuel high burnup coated fuel particle fuel compact Mechanical engineering and machinery TJ1-1570
spellingShingle	htgr fuel high burnup coated fuel particle fuel compact Mechanical engineering and machinery TJ1-1570 Shohei UETA Naoki MIZUTA Koei SASAKI Nariaki SAKABA Hirofumi OHASHI Xing L. YAN Research and development on high burnup HTGR fuels in JAEA
description	JAEA has been progressing to design HTGR fuels for not only small-type practical HTGRs but also VHTR proposed in GIF which can be utilized for various purposes with high-temperature heat at 750 to 950 °C. To increase economy of these HTGRs, JAEA has been upgrading the design method for the HTGR fuel, which can maintain their integrities at the burnup of three to four times higher than that of the conventional HTTR fuel. Design principles and specifications of various concepts of the high burnup HTGR fuels designed by JAEA are reported. As the latest results on post-irradiation examinations of the high burnup HTGR fuel progressing in a framework of international collaboration with Kazakhstan, irradiation shrinkage rate of the fuel compact as a function of fast neutron fluence was obtained at around 100 GWd/thm. Furthermore, the future R&Ds needed for the high burnup HTGR fuel are described based on these experimental results.
format	article
author	Shohei UETA Naoki MIZUTA Koei SASAKI Nariaki SAKABA Hirofumi OHASHI Xing L. YAN
author_facet	Shohei UETA Naoki MIZUTA Koei SASAKI Nariaki SAKABA Hirofumi OHASHI Xing L. YAN
author_sort	Shohei UETA
title	Research and development on high burnup HTGR fuels in JAEA
title_short	Research and development on high burnup HTGR fuels in JAEA
title_full	Research and development on high burnup HTGR fuels in JAEA
title_fullStr	Research and development on high burnup HTGR fuels in JAEA
title_full_unstemmed	Research and development on high burnup HTGR fuels in JAEA
title_sort	research and development on high burnup htgr fuels in jaea
publisher	The Japan Society of Mechanical Engineers
publishDate	2020
url	https://doaj.org/article/23591791aa7c4d3b80b5f8d5efe763c9
work_keys_str_mv	AT shoheiueta researchanddevelopmentonhighburnuphtgrfuelsinjaea AT naokimizuta researchanddevelopmentonhighburnuphtgrfuelsinjaea AT koeisasaki researchanddevelopmentonhighburnuphtgrfuelsinjaea AT nariakisakaba researchanddevelopmentonhighburnuphtgrfuelsinjaea AT hirofumiohashi researchanddevelopmentonhighburnuphtgrfuelsinjaea AT xinglyan researchanddevelopmentonhighburnuphtgrfuelsinjaea
_version_	1718407574344171520

Research and development on high burnup HTGR fuels in JAEA

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