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Fukaya, Yuji; Tokuhara, Kazumi; Nishihara, Tetsuo
JAEA-Research 2016-008, 52 Pages, 2016/06
JAEA-Research-2016-008.pdf:2.18MB
To investigate the xenon stability quantitatively, a study on stability criterion of xenon oscillation based on an analysis solution for HTGR design had been performed. Randall developed the stability criterion method of xenon oscillation based on an analysis solution. And, that have been employed for a LWR design. On the other hand, HTGR is also planted to design new type of reactors, such as Pu fueled reactor, and it is necessary to confirm the xenon stability of those new types of reactors. Then, we developed the criterion method based on the Randall's method termed D-XESC/A, and high xenon stability of HTGR and feasibility for Pu fueled reactor is confirmed by comparing with xenon stability of other types of reactors.
Smirnov, M. B.*; Skobelev, I. Y.*; Magunov, A. I.*; Faenov, A. Y.*; Pikuz, T. A.*; Fukuda, Yuji; Yamakawa, Koichi; Akahane, Yutaka; Aoyama, Makoto; Inoue, Norihiro*; et al.
Journal of Experimental and Theoretical Physics, 98(6), p.1123 - 1132, 2004/06
Interaction between high-power ultrashort laser pulse and giant clusters (microdroplets) consisting of 10
to 10
atoms is considered. The microdroplet size is comparable to the laser wavelength. A model of the evolution of a microdroplet plasma induced by a high-power laser pulse is developed, and the processes taking place after interaction with the pulse are analyzed. It is shown theoretically that the plasma is superheated: its temperature is approximately equal to the ionization potential of an ion having a typical charge. The microdroplet plasma parameters are independent of the pulse shape and duration. The theoretical conclusions are supported by experimental studies of X-ray spectra conducted at JAERI, where a 100-terawatt Ti-sapphire lasersystem was used to irradiate krypton and xenon microdroplets by laser pulses with pulse widths of 30 to 500 fs and intensities of 6
10
to 210
W/cm
.
single crystals with helium and Xenon ions at RT and 923KHojo, Kiichi; Hojo, Tomohiro; Sasajima, Naohiko*; Shirasu, Noriko; Yamashita, Toshiyuki; Minato, Kazuo; Furuno, Shigemi*
AIP Conference Proceedings 680, p.647 - 652, 2003/00
no abstracts in English
Ogawa, Hiroaki; Kiuchi, Kiyoshi; Saburi, Tei; Fukaya, Kiyoshi
JAERI-Research 2001-023, 21 Pages, 2001/03
JAERI-Research-2001-023.pdf:1.98MB
no abstracts in English
Matsushima, Uzuki*; Oshita, Seiichi*; Nakanishi, Tomoko*; Matsubayashi, Masahito; Seo, Yasuhisa*; Kawagoe, Yoshinori*
Nogyo Kikai Gakkai-shi, 62(5), p.70 - 78, 2000/09
no abstracts in English
Iguchi, Tetsuo; Watanabe, Kenichi*; *; Nose, Shoichi; Harano, Hideki;
JNC TY9400 2000-019, 34 Pages, 2000/05
JNC-TY9400-2000-019.pdf:0.79MB
None
O
-stabilized ZrO composite material under He
or Xe
ion irradiationSasajima, N.*; Matsui, Tsuneo*; Furuno, Shigemi*; Hojo, Kiichi; Shiratori, Tetsuo
Nuclear Instruments and Methods in Physics Research B, 166-167, p.250 - 257, 2000/00
Times Cited Count：20 Percentile：76.46(Instruments & Instrumentation)no abstracts in English
Sagawa, Norihiko*
PNC TJ9613 97-002, 95 Pages, 1997/10
The diffusion coefficient of cesium iodide vapor in rare gases was determined by a modified Stefan's method. The rare gas in a diffusion column was saturated with vapor of the cesium iodide, crystals of which were heated to melt at the bottom of the column. By opening a valve united at a top of the column, the vapor diffusing through the column was transferred with the carrier rare gas to an ionization sensor. The concentration of cesium iodide in the carrier gas was continuously monitored with the sensor. The diffusion coefficient was determined by analyzing the transient response of the concentration. Increasing tendency with temperature is observed in the coefficients obtained in argon, kripton and xenon at temperatures between 631 and 691 
C and no significant difference among the coefficients in argon, krypton and xenon.
*
PNC TJ9602 96-004, 49 Pages, 1996/03
To check the accuracy of helium accumulation neutron fluence monitoring (HAFM) technique and the applicability of tag gas activation analysis to fast reactor failed fuel detection, these samples were irradiated at the standard neutron field of the fast neutron source reactor "YAYOI" (Nuclear Engineering Research Laboratory, University of Tokyo). The HAFM samples of 93% enriched B powder of 1 mg contained in a V capsule were set up in the reactor core center (Glory hole :Gy) and another samples including V encapsulated natural B powder of 10 mg, natural B chips and 96% enriched 
LiF thermoluminescence dosimeters were in the leakage neutron field from the reactor core (Fast column :FC). These neutron fields were monitored by the activation foils consisting of Al, Fe, Co, Ni, Cu, Ti, In, Au, 
U, 
Np etc., which were used to derive the neutron flux and spectrum. At the end of March in 1996, the irradiated neutron fluence in the energy more than 0.1Mev reached up to 
1.110
n/cm at Gy and 5.410
n/cm at FC, respectively. Two kinds of tag gas samples, which are the mixed gases of isotipically adjusted Xe and Kr contained in stainless steel (SUS) capsules, were irradiated twice at Gy; one is up to 9kWh and the other 7kWh, and after the irradiation, 
-ray spectra were measured for each sample. Through comparison with the -ray spectrum from dummy capsule of no tag gas, the -ray peaks of 
Kr, 
Xe etc., which would be produced from tag gas activation, were able to be clearly identified.
Obara, Toru*; Horiki, Oichiro*; Nakajima, Teruo; Watanabe, Shukichi; Ishijima, Kiyomi; Katanishi, Shoji
JAERI-Review 95-010, 39 Pages, 1995/06
JAERI-Review-95-010.pdf:1.14MB
no abstracts in English
gas turbine power generation system (User's manual); Sekiguchi, Nobutada
PNC TN9520 95-002, 66 Pages, 1995/02
This analysis program code STEDFAST; Space, TErrestrial and Deep sea FAST reactor gas tubine system; is used to get the adequate values of system parameters on fast reactor gas turbine power generation systems used as power sources for deep sea, space and terrestrial cogeneration. Characteristics of the code are as follows. Objective systems of the code are a deep sea, a space and a terrestrial reactors. Primary coolants of the systems are NaK, Na, Pb and Li. Secondary coolant is the mixture gas of He and Xe. The ratio of He and Xe is arbitrary. Modeling of components in the systems was performed so that detailed modeling might be capable in future and that a transient analytical code could be easily made by using the code. A progra㎜ing language is MAC-FORTRAN. The code can be easily used in a personal computer. The code made possible instant calculation of various state values in a Brayton cycle, understanding the effects of many parameters on thermal efficiency and finding the most adequate values of the parameters. From now on, detailed modeling of the components will be performed. After that, the transient program code will be made.
; Miyoshi, Yoshinori; *; *
Journal of Nuclear Science and Technology, 30(7), p.702 - 711, 1993/07
Times Cited Count：1 Percentile：18.76(Nuclear Science & Technology)no abstracts in English
-ray irradiation on the recoil tritium reaction in xenon-hydrogen mixtures at 77 and 4.2K; Competition of the tunneling reaction with the combination reactionMiyazaki, Tetsuro*; *; *; *; ; Aratono, Yasuyuki; Saeki, Masakatsu; Tachikawa, Enzo
Bulletin of the Chemical Society of Japan, 65, p.735 - 738, 1992/03
Times Cited Count：4 Percentile：34.61(Chemistry, Multidisciplinary)no abstracts in English
Komaki, Yoshihide; ; ; ; Sakurai, Tsutomu; ; Kobayashi, Yoshii; Adachi, Takeo
Nihon Genshiryoku Gakkai-Shi, 33(5), p.489 - 497, 1991/05
Times Cited Count：0 Percentile：0.01(Nuclear Science & Technology)no abstracts in English
Sakasai, Kaoru; ; ; ; *; *; *
IEEE Transactions on Nuclear Science, 37(3), p.1405 - 1410, 1990/06
Times Cited Count：0 Percentile：0.02(Engineering, Electrical & Electronic)no abstracts in English
*; Miyazaki, Tetsuro*; *; ; Aratono, Yasuyuki; Saeki, Masakatsu; Tachikawa, Enzo
Bulletin of the Chemical Society of Japan, 63(2), p.520 - 524, 1990/02
Times Cited Count：1 Percentile：15.74(Chemistry, Multidisciplinary)no abstracts in English
; ; ; ; Naruse, Yuji
JAERI-M 8543, 35 Pages, 1979/11
no abstracts in English
