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Iwatsuki, Jin; Kasahara, Seiji; Kubo, Shinji; Inagaki, Yoshiyuki; Kunitomi, Kazuhiko; Ogawa, Masuro
JAEA-Review 2014-037, 14 Pages, 2014/09
JAEA-Review-2014-037.pdf:8.84MB
Thermochemical iodine-sulfur (IS) process is one of the promising technologies, which harnesses heat energy of high temperature gas-cooled reactors (HTGRs). An economic estimation of hydrogen production by a future commercial HTGR-IS process hydrogen production system was performed on the basis of economic evaluation data of an existing commercial hydrogen production plant using fossil fuel as a raw material. Hydrogen production cost was estimated at 25.4 JPY/Nm
under this estimation conditions. Capital cost and energy cost account for 13% and 78% of the total hydrogen production cost, respectively. To decrease HTGR construction cost, to increase HTGR availability, to improve hydrogen production thermal efficiency are important for cost reduction of hydrogen. The cost will be competitive with estimated costs by fossil fuel hydrogen production methods. It is appropriate that the hydrogen production cost is set for a goal of present R&Ds.
Yanagisawa, Kazuaki
International Journal of Nuclear Knowledge Management, 2(2), p.91 - 104, 2006/00
Taking into consideration of national funds invested to individual research divisions in JAERI during the course of safety project studies, one found that a total input was approximately corresponded to 
. Qualitatively, JAERI contributed to (1) the governmental policies, (2) the scientific technologies and scholarship, (3) the industries (technology transfer, patents, commissioned research etc.), (4) the local society in the lab location area, and (5) the international cooperation. Quantitatively, JAERI made the creation of added value (cost benefit), cost reduction and reduction of cost loss produced either in direct or indirect manner as research outputs. One found that a total output during the course of nuclear safety project study was approximately 
taking into consideration of nuclear market creation at electricity and facilities related to nuclear. This ex post evaluation tells that cost benefit made by nuclear safety project of JAERI is 1.5 (
) and such outcome contributes to the increase of general domestic products (GDP).
The Ad Hoc Committee for Evaluation of R&D Achievements
JAERI-Review 2002-019, 139 Pages, 2002/08
JAERI-Review-2002-019.pdf:13.42MB
no abstracts in English
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IAEA-CN-36/552, p.127 - 141, 1977/00
no abstracts in English
