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Morii, Yukio; Koike, Yoshihiro; Igarashi, Takeshi*; Kubota, Minoru*; Hiresaki, Yu*; Tanida, Koji*
Physica B; Condensed Matter, 284-288(Part2), p.2014 - 2015, 2000/07
Times Cited Count：0 Percentile：0(Physics, Condensed Matter)no abstracts in English
; Kawasaki, Nobuchika; ; *; ; ;
JNC TN9400 2000-063, 221 Pages, 2000/06
JNC-TN9400-2000-063.pdf:8.68MB
ln this paper, feasibility of the multipurpose small fast reactor, which could be used for requirements concemed with various utilization of electricity and energy and flexibility of power supply site, is discussed on the basis of examination of literatures of various small reactors. And also, a possibility of economic improvement by learning effect of fabrication cost is discussed for the modular-sized reactor which is expected to be a base load power supply system with lower initial investment. (1) Multipurpose small reactor (a) The small reactor with 10MWe
150MWe has a potential as a power source for large co-generation, a large island, a middle city, desalination and marine use. (b) Highly passive mechanism, long fuel exchange interval, and minimized maintenance activities are required for the multipurpose small reactor design. The reactor has a high potential for the long fuel exchange interval, since it is relatively easy for FR to obtain a long life core. (c) Current designs of small FRs in Japan and USA (NERI Project) are reviewed to obtain design requirements for the multipurpose small reactor. (2) Modular-sized reactor (a) ln order that modular-sized reactor could be competitive to 3200MWe twin plant (two large monolithic reactor) with 200k/kWe, the target capital cost of FOAK is estimated to be 260k/kWe for 800MWe modular, 280k/kWe for 400MWe modular and 290k/kWe for 200MWe by taking account of the learning effect. (b)As the result of the review on the current designs of modular-sized FRs in Japan and USA (S-PRISM) from the viewpoint of economic improvement, since it only be necessary to make further effort for the target capital cost of FOAK, since the modular-sized FRs requires a large amount of material for shielding, vessels and heat exchangers essentially.
Hayafune, Hiroki; ; ; ; ; ;
JNC TN9420 99-004, 195 Pages, 1999/06
Prior to the feasibility study for fast reactors (FRs) starting from the 1999 fiscal year, planned in the medium and long-term program of JNC, preliminarily studies were performed on "Large FRs (Sodium cooled and MOX fueled) with innovative technologies as a Standard Plant" and "FR systems except sodium cooled, MOX fueled reactors". (1)Standard plant. The following concepts were created in respect of an economic goal for the commercialization. (a)The concepts of reactor and cooling systems: 18 cases (4 cases indude secondary system deletion concept) (b)The concepts of upper core structure and fuel handling systems: 4 cases (example: Fuel handling system) (c)The concepts of FR and fuel recycle co-location systems: 5 cases (2)FR systems except standard plant. Gas cooled reactors, heavy metal (Pb or Pb-Bi) cooled reactors and small scale or module type reactors were studied on the basis of literature. They were evaluated from the viewpoint of the technical possibility (the structure integrity, earthquake resistance, safety, productivity, operability, maintenance repair, difficulty of the development), the long-term targets (market competitiveness as an energy system, utilization of uranium resources, reduction of radioactive waste, security of the non-proliferation), and developmental risk. As the result, the following concepts should be studied for future commercialized FRs. (a)Small scale and module type feactor: Middle-sized reactor with an excellent economical efficiency. Small power feactor with a multipurpose design concept. (b)Gas cooled reactor: CO
gas cooled reactor, He gas cooled reactor (c)Heavy metal cooled reactor: Russian type lead cooled reactor (d)Light water cooled reactor: RBWR and super critical pressure light water cooled reactor (e)Molten salt reactor: Trichloride molten salt reactor which matches ...
Koike, Yoshihiro; Morii, Yukio; Igarashi, Takeshi*; Kubota, Minoru*; Hiresaki, Yu*; Tanida, Koji*
Cryogenics, 39(7), p.579 - 583, 1999/00
Times Cited Count：22 Percentile：67.86(Thermodynamics)no abstracts in English
Koike, Yoshihiro*; Morii, Yukio; Igarashi, Takeshi*; Kubota, Minoru*; Hiresaki, Yu*; *
Proc. of Int. Cryogenic Engineering Conf. 1998 (ICEC17), p.263 - 266, 1998/00
no abstracts in English
