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Journal Articles

Stress analysis of plate-fin type heat exchanger

Matsui, Shingo*; Muto, Yasushi*; Shiina, Yasuaki

Nihon Genshiryoku Gakkai Wabun Rombunshi, 2(2), p.175 - 186, 2003/06

no abstracts in English

Journal Articles

High temperature mechanical properties on multi stage blazed fin body with ultra fine off-set fin for compact heat exchanger

Ishiyama, Shintaro; Muto, Yasushi

Nihon Kikai Gakkai Rombunshu, A, 69(679), p.682 - 688, 2003/03

no abstracts in English

Journal Articles

Multiaxial creep behavior of nickel-base heat-resistant alloys Hastelloy XR and Ni-Cr-W superalloy at elevated temperatures

Kaji, Yoshiyuki; Tsuji, Hirokazu; Nishi, Hiroshi; Muto, Yasushi; Penkalla, H. J.*; Schubert, F.*

Journal of Nuclear Science and Technology, 39(8), p.923 - 928, 2002/08

 Times Cited Count:7 Percentile:45.84(Nuclear Science & Technology)

A series of uniaxial and multiaxial creep tests was carried out on Hastelloy XR and Ni-Cr-W superalloy, which were developed as the high temperature structural materials for nuclear application at the JAERI, in order to investigate multiaxial creep behavior of these materials and to verify the laws for the description of deformation under multiaxial loadings. Norton's creep law and von Mises' flow rule were applied to the prediction of multiaxial creep behavior of a tube under some significant loading conditions. In most cases the multiaxial creep behavior of these materials were successfully described with the constitutive equations based on the material parameters fitting uniaxial creep test results, though a few exceptional cases were observed. The present study has revealed that the method based on Norton's creep law and von Mises' flow rule are basically applicable for the description of the multiaxial creep behavior for Hastelloy XR and Ni-Cr-W superalloy as the conventional design method.

Journal Articles

R&D on the filter against submicron particles in high temperature helium gas for HTGR-GT

Ishiyama, Shintaro; Muto, Yasushi; Fumizawa, Motoo; Tsukazaki, Kazuo*

Nihon Genshiryoku Gakkai Wabun Rombunshi, 1(2), p.164 - 176, 2002/06

no abstracts in English

Journal Articles

Spin test of high strength 3D-C/C composite disk model for HTGR-GT system, 2

Ishiyama, Shintaro; Muto, Yasushi

Nihon Kinzoku Gakkai-Shi, 66(6), p.662 - 669, 2002/06

no abstracts in English

JAEA Reports

Study on the safety system in the High Temperature Gas Cooled Reactor (Contract research)

Nishihara, Tetsuo; Muto, Yasushi; Uchida, Shoji*; Yoshioka, Naoki*

JAERI-Tech 2001-077, 44 Pages, 2001/12

JAERI-Tech-2001-077.pdf:2.16MB

JAERI has conducted the feasibility study of the HTGR gas turbine system from 1996 to 2000 sponsored by MEXT. This report concludes the safety criteria and rationalization of the safety items in the HTGR system.With respect to the safety criteria, the same value for the LWR is selected as the limit of radiation exposure. Probability of the design basis event (DBE) and beyond design basis event (BDBE) is set lower than those for the LWR to get higher safety margin. Adequate initial events and mitigation system are selected to consider the event sequence. The concept of the probability analysis is applied to identify DBEs and BDBEs. It is found that some safety items can be rationalized in consideration of the safety features of the HTGR. Finally, the safety class and design category of the items in the HGTR-GT are classified.

Journal Articles

The Effect of unbalance flow on the performance of compact heat exchanger for HTGR-GT system

Ishiyama, Shintaro; Muto, Yasushi; Ogata, Hiroshi*; Yamada, Seiya*

Nihon Genshiryoku Gakkai-Shi, 43(11), p.1136 - 1148, 2001/11

 Times Cited Count:0 Percentile:0.01(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Spin test of high strength 3-D C/C composite disk model for HTGR-GT system

Ishiyama, Shintaro; Muto, Yasushi

Nihon Kinzoku Gakkai-Shi, 65(11), p.993 - 1001, 2001/11

no abstracts in English

Journal Articles

High temperature gas-cooled reactor

Muto, Yasushi; Kunitomi, Kazuhiko

Karyoku Genshiryoku Hatsuden, 52(10), p.1279 - 1286, 2001/10

no abstracts in English

Journal Articles

Development of the compact heat exchanger for the HTGR, 2; Heat transfer and fluid characteristics test

Ishiyama, Shintaro; Muto, Yasushi; Ogata, Hiroshi*; Kamito, Yoshimi*

Nihon Genshiryoku Gakkai-Shi, 43(7), p.708 - 717, 2001/07

 Times Cited Count:2 Percentile:20.38(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Development of the compact heat exchanger for HTGR, 1; Fabrication of the ultra fine off-set fin

Ishiyama, Shintaro; Muto, Yasushi; Tanihira, Masanori*; Ogata, Kan*; Kamito, Yoshimi*; Igari, Toshihide*

Nihon Genshiryoku Gakkai-Shi, 43(6), p.603 - 611, 2001/06

 Times Cited Count:5 Percentile:40.34(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Computer simulation analysis on the machinability of alumina dispersion enforced copper alloy for high performance compact heat exchanger

Ishiyama, Shintaro; Muto, Yasushi; Nishii, Takashi*; Kasaba, Michihiro*

Nihon Kinzoku Gakkai-Shi, 65(6), p.524 - 533, 2001/06

no abstracts in English

Journal Articles

Multiaxial creep behavior of nickel-base heat-resistant alloys Hastelloy XR and Ni-Cr-W superalloy at elevated temperatures

Tsuji, Hirokazu; Nishi, Hiroshi; Kaji, Yoshiyuki; Muto, Yasushi; Penkalla, H. J.*; Schubert, F.*

Proceedings of the 7th International Conference on Creep and Fatigue at Elevated Temperatures (CREEP7), p.101 - 106, 2001/06

A series of uniaxial and multiaxial creep tests was carried out on Hastelloy XR and Ni-Cr-W superalloy, which were developed as the high temperature structural materials for nuclear application at the JAERI, in order to investigate multiaxial creep behaviors of these materials. Norton's creep law and von Mises' flow rule were applied to the prediction of multiaxial creep behavior of a tube under some significant loading condition. In most cases the multiaxial creep behavior of these materials were successfully described with the constitutive equations based on the material parameter fitting uniaxial creep test results, though a few exceptional cases were observed. The present study has revealed that the method based on Norton's creep law and von Mises' flow rule are basically applicable for the description of the multiaxial creep behavior for Hastelloy XR and Ni-Cr-W superalloy as the conventional design method.

JAEA Reports

Stress analysis of plate-fin structures in recuperator

Matsui, Shingo*; Muto, Yasushi; Shiina, Yasuaki

JAERI-Tech 2000-083, 107 Pages, 2001/01

JAERI-Tech-2000-083.pdf:3.46MB

no abstracts in English

Journal Articles

Improvement in the design of helium turbine for the HTGR-GT power plant

Muto, Yasushi; Ishiyama, Shintaro; Inomata, Asako*; Kishibe, Tadaharu*; Minatsuki, Isao*; Matsumoto, Iwao*; Levet, F.*

Proceedings of ASME Turbo Expo 2001 (CD-ROM), 8 Pages, 2001/00

no abstracts in English

Journal Articles

High Temperature Gas-cooled Reactor

Tanaka, Toshiyuki; Muto, Yasushi

Karyoku Genshiryoku Hatsuden, 51(10), p.318 - 323, 2000/10

no abstracts in English

Journal Articles

Technical issues and their solutions in HTGR gas turbine system

Muto, Yasushi; Ishiyama, Shintaro

Nihon Genshiryoku Gakkai-Shi, 42(10), p.1020 - 1027, 2000/10

 Times Cited Count:1 Percentile:12.53(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Feasibility design study of compact heat exchanger for HTGR gas turbine systems

Ishiyama, Shintaro; Muto, Yasushi; Kasaba, Michihiro*; Kaneta, Takayoshi*

Nihon Genshiryoku Gakkai-Shi, 42(3), p.196 - 203, 2000/03

 Times Cited Count:1 Percentile:12.53(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Design study of helium turbine for the 300MW HTGR-GT power plant

Muto, Yasushi; Ishiyama, Shintaro; Fukuyama, Yoshitaka*; Okumoto, Junji*; Kishibe, Tadaharu*; Yamada, Seiya*

Proceedings of 45th ASME International Gas Turbine & Aeroengine Technical Congress, Exposition and Users Symposium (CD-ROM), 8 Pages, 2000/00

no abstracts in English

Journal Articles

Design innovations in GTHTR 300 gas turbine high temperature reactor

Yan, X.; Shiozawa, Shusaku; Kunitomi, Kazuhiko; Muto, Yasushi; Miyamoto, Yoshiaki; Katanishi, Shoji

Proceedings of 8th International Conference on Nuclear Engineering (ICONE-8) (CD-ROM), p.8 - 0, 2000/00

no abstracts in English

28 (Records 1-20 displayed on this page)