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JAEA Reports

Annual report on experimental operation of mock-up model test facility with a full-scale reaction tube for HTTR hydrogen production system in 2001 fiscal year (Contract research)

Hayashi, Koji; Inagaki, Yoshiyuki; Kato, Michio; Fujisaki, Katsuo*; Aita, Hideki; Takeda, Tetsuaki; Nishihara, Tetsuo; Inaba, Yoshitomo; Ohashi, Hirofumi; Katanishi, Shoji; et al.

JAERI-Tech 2005-032, 46 Pages, 2005/06

JAERI-Tech-2005-032.pdf:4.79MB

This is annual report on the experimental operation of the mock-up test facility with a full-scale reaction tube for the HTTR hydrogen production system in 2001 fiscal year. The first experimental operation was performed during two weeks from March 1, 2002 to March 13, 2002 to test on the thermal hydraulic performance of the steam reformer and also to train the operators. The thermal hydraulic performance test of the steam reformer was performed to evaluate the heat transfer characteristics between helium gas and process gas in the steam reformer. This report is summarized with an overview of the test, the results and its operation records.

JAEA Reports

Heat transfer characteristics evaluation of heat exchangers of mock-up test facility with full-scale reaction tube for HTTR hydrogen production system (Contract research)

Shimizu, Akira; Ohashi, Hirofumi; Kato, Michio; Hayashi, Koji; Aita, Hideki; Nishihara, Tetsuo; Inaba, Yoshitomo; Takada, Shoji; Morisaki, Norihiro; Sakaki, Akihiro*; et al.

JAERI-Tech 2005-031, 174 Pages, 2005/06

JAERI-Tech-2005-031.pdf:20.71MB

Connection of hydrogen production system by steam reforming of methane to the High Temperature Engineering Test Reactor (HTTR) of the Japan Atomic Energy Research Institute (JAERI) has been surveyed until now. Mock-up test facility of this steam reforming system with full-scale reaction tube was constructed in FY 2001, and a lot of operational test data on heat exchanges were obtained in these tests.In this report specifications, structures and heat transfer formulae of steam reformer, steam superheater, steam generator, condenser, helium gas cooler, feed gas heater and feed gas superheater were described. Evaluation codes were newly made to evaluate heat transfer characteristics from measured test data. Overall heat-transfer coefficient obtained from the experimental data were compared and evaluated with the prospective value calculated with heat transfer formulae. As a result, heat transfer performance and thermal efficiency of these heat exchangers were confirmed to be appropriate.

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.

JAEA Reports

Cause investigation and repair of breakage of catalyst dust filter on mock-up model test facility with a full-scale reaction tube for HTTR hydrogen production system (Contract research)

Morisaki, Norihiro; Hayashi, Koji; Inagaki, Yoshiyuki; Kato, Michio; Fujisaki, Katsuo*; Maeda, Yukimasa; Mizuno, Sadao*

JAERI-Tech 2005-009, 37 Pages, 2005/03

JAERI-Tech-2005-009.pdf:14.33MB

The breakage of the catalyst dust filter was found at the nozzle flange, which was welded onto the end plate of the filter, by the bubbling test using nitrogen gas of the mock-up model test facility. We investigated the cause of breakage and devised a repairing method. The cause of the breakage was the stress corrosion cracking (SCC) generated from the inside of the filter. The filter was repaired based on the following countermeasures such as reduction of condensed water in the filter, tensile stress and sensitization at welding joints. Furthermore, the inspection was carried out to investigate the structural integrity of the welding joints in the test facility of which structure, material and operating condition were similar to the filter. As the results, it was confirmed that the structural integrity was maintained.

JAEA Reports

Performance test results of mock-up model test facility with a full-scale reaction tube for HTTR hydrogen production system (Contract research)

Inagaki, Yoshiyuki; Hayashi, Koji; Kato, Michio; Fujisaki, Katsuo; Aita, Hideki; Takeda, Tetsuaki; Nishihara, Tetsuo; Inaba, Yoshitomo; Ohashi, Hirofumi; Katanishi, Shoji; et al.

JAERI-Tech 2003-034, 129 Pages, 2003/05

JAERI-Tech-2003-034.pdf:7.62MB

no abstracts in English

JAEA Reports

Performance test results of helium gas circulator of mock-up test facility with full-scale reaction tube for HTTR hydrogen production system (Contract research)

Shimizu, Akira; Kato, Michio; Hayashi, Koji; Fujisaki, Katsuo; Aita, Hideki; Takeda, Tetsuaki; Nishihara, Tetsuo; Katanishi, Shoji; Takada, Shoji; Inaba, Yoshitomo; et al.

JAERI-Tech 2003-033, 105 Pages, 2003/03

JAERI-Tech-2003-033.pdf:8.35MB

no abstracts in English

JAEA Reports

Out-of-pile demonstration test of HTTR hydrogen production system; Structure and fabrication technology of steam reformer (Contract research)

Inagaki, Yoshiyuki; Ouchi, Yoshihiro; Fujisaki, Katsuo; Kato, Michio; ; Hayashi, Koji;

JAERI-Tech 99-074, p.63 - 0, 1999/10

JAERI-Tech-99-074.pdf:3.0MB

no abstracts in English

JAEA Reports

After-service inspection of HENDEL in-core structure test section T$$_{2}$$; 1, Inspection results at dismantlement

Fujisaki, Katsuo; Inagaki, Yoshiyuki; ; ; ; ; Sekita, Kenji; Morisaki, Norihiro; *; Iwatsuki, Jin*; et al.

JAERI-Tech 97-053, 57 Pages, 1997/10

JAERI-Tech-97-053.pdf:3.26MB

no abstracts in English

JAEA Reports

Structural concept of angle type of hot isolation valve and its test program at an out-of-pile test facility

Hada, Kazuhiko; Fujisaki, Katsuo; *; Shibata, Taiju; Inagaki, Yoshiyuki; Hino, Ryutaro

JAERI-Tech 97-004, 113 Pages, 1997/02

JAERI-Tech-97-004.pdf:3.88MB

no abstracts in English

JAEA Reports

Design of helium-gas supplying facility of out-of-pile demonstration test for HTTR heat utilization system

Hino, Ryutaro; Fujisaki, Katsuo; ; ; Ota, Yukimaru; ; ; Haga, Katsuhiro; ; ; et al.

JAERI-Tech 96-037, 45 Pages, 1996/09

JAERI-Tech-96-037.pdf:1.49MB

no abstracts in English

JAEA Reports

Summary of facility and operating experience on Heliu Engineering Demonstration Loop, HENDEL

; Fujisaki, Katsuo; ; ; Ota, Yukimaru; Watanabe, Shuji; Kobayashi, Hideki*;

JAERI-Tech 96-030, 244 Pages, 1996/07

JAERI-Tech-96-030.pdf:7.65MB

no abstracts in English

JAEA Reports

VHTRC experiment for verification test of H$$infty$$ reactivity estimation method

Fujii, Yoshio; Suzuki, Katsuo; Akino, Fujiyoshi; Yamane, Tsuyoshi; Fujisaki, Shingo; Takeuchi, Motoyoshi; Ono, Toshihiko

JAERI-Data/Code 96-001, 102 Pages, 1996/02

JAERI-Data-Code-96-001.pdf:2.32MB

no abstracts in English

JAEA Reports

Study of air vent design for inverted U-tube type heat exchanger

Takada, Shoji; Shibata, Mitsuhiko; ; Fujisaki, Katsuo; Ota, Yukimaru; ;

JAERI-M 94-013, 89 Pages, 1994/02

JAERI-M-94-013.pdf:2.77MB

no abstracts in English

JAEA Reports

A Study on shaft vibration of gas circulators with gas-bearing for HENDEL test facility

Shimomura, Hiroaki; Kawaji, Satoshi; Fujisaki, Katsuo;

JAERI-M 89-064, 90 Pages, 1989/06

JAERI-M-89-064.pdf:3.71MB

no abstracts in English

Journal Articles

Operating experience on gas bearing helium circulators in HTGR development facility

Shimomura, Hiroaki; Kawaji, Satoshi; Fujisaki, Katsuo;

Gas-Cooled Reactor Coolant Circulator and Blower Technology, p.148 - 156, 1988/00

no abstracts in English

15 (Records 1-15 displayed on this page)
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