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Journal Articles

Local electronic structure of interstitial hydrogen in MgH$$_2$$ inferred from muon study

Kadono, Ryosuke*; Hiraishi, Masatoshi*; Okabe, Hirotaka*; Koda, Akihiro*; Ito, Takashi

Journal of Physics; Condensed Matter, 35(28), p.285503_1 - 285503_13, 2023/07

 Times Cited Count:0 Percentile:0(Physics, Condensed Matter)

JAEA Reports

Improvement works report on mock-up model test facility with a full-scale reaction tube for HTTR hydrogen production system (Contract research)

Sakaki, Akihiro*; Kato, Michio; Hayashi, Koji; Fujisaki, Katsuo*; Aita, Hideki; Ohashi, Hirofumi; Takada, Shoji; Shimizu, Akira; Morisaki, Norihiro; Maeda, Yukimasa; et al.

JAERI-Tech 2005-023, 72 Pages, 2005/04

JAERI-Tech-2005-023.pdf:14.86MB

In order to establish the system integration technology to connect a hydrogen production system to a high temperature gas cooled reactor, the mock-up test facility with a full-scale reaction tube for the steam reforming HTTR hydrogen production system was constructed in fiscal year 2001 and its functional test operation was performed in the year. Seven experimental test operations were performed from fiscal year 2001 to 2004. On a period of each test operation, there happened some troubles. For each trouble, the cause was investigated and the countermeasures and the improvement works were performed to succeed the experiments. The tests were successfully achieved according to plan.This report describes the improvement works on the test facility performed from fiscal year 2001 to 2004.

Journal Articles

Formation of a charge-exchange target for fast ions in the plasma of large-scale toroidal devices under NBI conditions

Mironov, M. I.*; Khudoleev, A. V.*; Kusama, Yoshinori

Plasma Physics Reports, 30(2), p.164 - 168, 2004/02

 Times Cited Count:0 Percentile:0.02(Physics, Fluids & Plasmas)

High-energy charge-exchange diagnostics can determine the distribution function of fast atoms produced via the neutralization of hydrogen ions by hydrogen-like impurity ions. Deriving the distribution function requires to know the composition and spatial distribution of the target ions in a plasma. A charge-exchange target forms as a result of the interaction between impurity nuclei and beam atoms. Depending on the arrangement of heating beams with respect to the diagnostics, it is necessary to calculate their trajectories. A model which takes into account elementary processes resulting in the ionization equilibrium of the ions of impurities in a specific tokamak configuration is proposed. The model is applied to the JT-60U plasma. Mechanisms for the formation of charge-exchange atomic flows are considered. The relative contributions of different heating injectors to the charge-exchange flow are estimated. Based on the calculated results, a method is proposed for local measurements of the ion distribution function with a stationary analyzer.

JAEA Reports

Thermal and chemical analysis of carbon dioxide reforming of methane using the out-of-pile test facility

Huang, Z.*; Ohashi, Hirofumi; Inagaki, Yoshiyuki

JAERI-Tech 2000-022, p.30 - 0, 2000/03

JAERI-Tech-2000-022.pdf:1.24MB

no abstracts in English

Journal Articles

Hydrogen separation in H$$_{2}$$-H$$_{2}$$O-HI gaseous mixture using the silica membrance prepared by chemical vapor deposition

Hwang, G.*; Onuki, Kaoru; Shimizu, Saburo; *

J. Membr. Sci., 162(1-2), p.83 - 90, 1999/00

 Times Cited Count:65 Percentile:90.03(Engineering, Chemical)

no abstracts in English

JAEA Reports

Studies on hydrogen separation membrane for IS process; Membrane preparation with porous $$alpha$$-alumina tube

Hwang, G.*; Onuki, Kaoru; Shimizu, Saburo

JAERI-Research 98-002, 8 Pages, 1998/01

JAERI-Research-98-002.pdf:0.53MB

no abstracts in English

Journal Articles

Analysis on evolving environments of engineered barriers of high-level radioactive waste repositories during the first 1,000 years

*; *; *; *; *; *; ; Nagasaki, Shinya*

Nihon Genshiryoku Gakkai-Shi, 35(5), p.420 - 437, 1993/05

 Times Cited Count:6 Percentile:55.97(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Study of catalytic reduction of methanol for methane-methanol thermochemical hydrogen production cycles

; Shimizu, Saburo; Nakajima, Hayato; Ikezoe, Yasumasa;

Int.J.Hydrogen Energy, 12(8), p.555 - 559, 1987/08

 Times Cited Count:5 Percentile:58.03(Chemistry, Physical)

no abstracts in English

Journal Articles

Drastic reduction of computing time in dynamic simulation for hydrogen isotope distillation columns

Fusion Technology, 9, p.492 - 498, 1986/00

no abstracts in English

Journal Articles

Surface compositional and chemical-state changes of SiC,Si$$_{3}$$N$$_{4}$$ and SiO$$_{2}$$ by energetic hydrogens

;

Journal of Nuclear Materials, 138, p.145 - 148, 1986/00

 Times Cited Count:5 Percentile:85.2(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

Equilibrium pressures of hydrogen and deuterium dissolved in titanium,zirconium and hafnium at low concentrations

Journal of Nuclear Materials, 136, p.1 - 5, 1985/00

 Times Cited Count:31 Percentile:94.02(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

Chemical state studies Zr and Nb surfaces exposed to hydrogen ions

;

Physical Review B, 31(2), p.791 - 797, 1984/00

 Times Cited Count:45 Percentile:87.56(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

Potential of carbon dioxide radiolysis for hydrogen production

Ikezoe, Yasumasa; ; Shimizu, Saburo; Nakajima, Hayato

Int.J.Hydrogen Energy, 7(7), p.539 - 543, 1982/00

 Times Cited Count:6 Percentile:74.05(Chemistry, Physical)

no abstracts in English

Journal Articles

Chemical spattering yields of titanium carbide

; ;

Journal of Nuclear Materials, 111-112, p.744 - 749, 1982/00

 Times Cited Count:47 Percentile:96.13(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

Sputtering of silicon carbide coatings by low-energy hydrogen ions

; ; ; ; Murakami, Yoshio; *

Journal of Nuclear Materials, 98(3), p.270 - 278, 1981/00

 Times Cited Count:12 Percentile:79.98(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

Radial distribution functions and bound electronic energy levels in hydrogen plasmas

Progress of Theoretical Physics, 60(6), p.1640 - 1652, 1978/00

 Times Cited Count:14

no abstracts in English

Journal Articles

The H/D isotope effect in the conversion of the electron into a hydrogen atom in aqueous acid solutions at 300 and 77$$^{circ}$$K

Ono, Shinichi

Bulletin of the Chemical Society of Japan, 41(6), p.1301 - 1307, 1968/00

 Times Cited Count:13

no abstracts in English

17 (Records 1-17 displayed on this page)
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