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Usami, Tsutomu; Moriyama, Kiyofumi; Nishikizawa, Tomotoshi; Nakamura, Hideo
JAERI-Tech 2005-028, 37 Pages, 2005/05
The steam explosion during a severe accident in a light water reactor, which may occur by the contact of molten core and coolant, has been known as a potential threat on the integrity of the containment vessel, and has been studied in the nuclear safety research field. Prediction of the intensity of steam explosions needs an understanding of the initial premixture. However, visual observation of the premixture in experiments is usually difficult due to the vapor generation. Thus, we investigated the possibility of a high-speed X-ray visualization with a 4500 f/s high speed video camera with an image-intensifier and three kinds of scintillator materials: CdWO, ZnS(Ag) and CsI(Tl). A modeled premixture consisted of metal objects and bubbles in a water vessel was used. The test result showed that the CsI(Tl) scintillator gave the best image quality among the three and the high-speed visualization at 4500 f/s was possible, though in the still picture which carried out one of the recorded picture, the picture became indistinct.
Mishima, Kaichiro*; Hibiki, Takashi*; Saito, Y.*; Sugimoto, Jun; Moriyama, Kiyofumi
Nucl. Eng. Des., 189(1-3), p.391 - 403, 1999/00
Times Cited Count:13 Percentile:68.41(Nuclear Science & Technology)no abstracts in English
Saito, Y.*; Mishima, Kaichiro*; Hibiki, Takashi*; ; Sugimoto, Jun; Moriyama, Kiyofumi
Nuclear Instruments and Methods in Physics Research A, 424(1), p.142 - 147, 1999/00
Times Cited Count:16 Percentile:74.02(Instruments & Instrumentation)no abstracts in English
; Moriyama, Kiyofumi; Maruyama, Yu; H.Park*; Y.Yang*; Sugimoto, Jun
JAERI-Conf 97-011, p.447 - 466, 1998/01
no abstracts in English
Park, H.; Yamano, Norihiro; Maruyama, Yu; Moriyama, Kiyofumi; Yang, Y.; Sugimoto, Jun
Dai-35-Kai Nihon Dennetsu Shimpojiumu Koen Rombunshu, 3, p.803 - 804, 1998/00
no abstracts in English
Park, H.; ; Moriyama, Kiyofumi; Maruyama, Yu; Y.Yang*; Sugimoto, Jun
Proc. of 11th Int. Heat Transfer Conf. (Heat Transfer 1998), 6, p.69 - 74, 1998/00
no abstracts in English
H.S.Park*; ; Maruyama, Yu; Moriyama, Kiyofumi; Y.Yang*; Sugimoto, Jun
Proc. of 1998 ASME/JSME Joint Pressure Vessels and Piping Conf., 362, p.49 - 56, 1998/00
no abstracts in English
H.Park*; ; Maruyama, Yu; Moriyama, Kiyofumi; Y.Yang*; Sugimoto, Jun
Proc. of 6th Int. Conf. on Nucl. Eng. (ICONE-6) (CD-ROM), 12 Pages, 1998/00
no abstracts in English
Yamano, N.; Maruyama, Yu; Moriyama, Kiyofumi; Sugimoto, Jun
NEA/CSNI/R(96)24, 0, p.1 - 49, 1996/00
no abstracts in English
Yamano, N.; Maruyama, Yu; Moriyama, Kiyofumi; Kudo, Tamotsu; H.S.Park*; Sugimoto, Jun
Proc. of 11th KAIF/KNS Annual Conf., 0, p.827 - 838, 1996/00
no abstracts in English
Moriyama, Kiyofumi; Yamano, N.; Maruyama, Yu; Kudo, Tamotsu; ; ; Sugimoto, Jun
JAERI-Data/Code 95-016, 50 Pages, 1995/11
no abstracts in English
Moriyama, Kiyofumi; Yamano, N.; Maruyama, Yu; Kudo, Tamotsu; ; ; Sugimoto, Jun
Proc., Seminar on the Vapor Explosions in Nuclear Power Safety,Kanzanji 1995, p.87 - 102, 1995/00
no abstracts in English
Yamano, N.; Moriyama, Kiyofumi; Maruyama, Yu; Kudo, Tamotsu; Sugimoto, Jun
Proc., Seminar on the Vapor Explosions in Nuclear Power Safety,Kanzanji 1995, 0, p.121 - 139, 1995/00
no abstracts in English
Sugimoto, Jun; Hashimoto, Kazuichiro; Yamano, N.; Maruyama, Yu
Nihon Genshiryoku Gakkai "Genshiro Kakuno Yoki Shinraisei Jissho Shiken Ni Kansuru Chosa Hokokusho, Heisei-5-Nendo", 0, p.3 - 192, 1994/00
no abstracts in English
Akiyama, Mamoru*; Yamano, Norihiro
Nihon Genshiryoku Gakkai-Shi, 35(7), p.630 - 631, 1993/07
no abstracts in English
Yamano, N.; Sugimoto, Jun; Maruyama, Yu; Soda, Kunihisa
NUREG/CP-0127, 0, p.271 - 281, 1993/00
no abstracts in English
L.S.Nelson*; Fuketa, Toyoshi; Eatough, M. J.*; F.J.Vigil*
Dai-27-Kai Nihon Dennetsu Shimpojiumu Koen Rombunshu, p.319 - 321, 1990/05
no abstracts in English