Výsledky vyhledávání - "Takayuki MIYAGAWA"

Akademický článek

Current status of development in the 3D seismic isolation applied to SFRs

Autor: Tomohiko YAMAMOTO, Tomoyoshi WATAKABE, Masashi MIYAZAKI, Shigeki OKAMURA, Takayuki MIYAGAWA, Shinobu YOKOI, Tsuyoshi FUKASAWA, Satoshi FUJITA

Publikováno v: Mechanical Engineering Journal, Vol 11, Iss 2, Pp 23-00393-23-00393 (2024)

A sodium-cooled fast reactor (SFR) considers adopting 3-dimensional seismic isolation devices for withstanding seismic loads not only horizontal but also vertical direction. A seismic isolation device consists of a laminated rubber bearing and horizo

Externí odkaz: https://doaj.org/article/9cdf80201ac6499b84d50d009c54f150

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Akademický článek

Research and development of three-dimensional isolation system for SFR (Experimental study on static characteristics using half scale size model)

Autor: Tsuyoshi FUKASAWA, Tomoyuki HIRAYAMA, Shinobu YOKOI, Akihiko HIROTA, Takahiro SOMAKI, Masaki YUKAWA, Takayuki MIYAGAWA, Masato UCHITA, Tomohiko YAMAMOTO, Masashi MIYAZAKI, Tomoyoshi WATAKABE, Shigeki OKAMURA, Satoshi FUJITA

Publikováno v: Nihon Kikai Gakkai ronbunshu, Vol 89, Iss 924, Pp 23-00023-23-00023 (2023)

The seismic resistance of nuclear power plants, particularly those using Sodium-Cooled Fast Reactor (SFR) design, is of crucial significance. This paper presents an innovative three-dimensional seismic isolation system developed to address the inhere

Externí odkaz: https://doaj.org/article/ad7bd3d4cdee4bbe8c4fef6eb06ebd1b

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Akademický článek

Proposal for maintenance optimization scheme based on system based code concept

Autor: Hiroki YADA, Shigeru TAKAYA, Kyoichi MOROHOSHI, Shinobu YOKOI, Takayuki MIYAGAWA

Publikováno v: Mechanical Engineering Journal, Vol 10, Iss 4, Pp 23-00044-23-00044 (2023)

To develop rationalized maintenance plans for nuclear power plants, the characteristics of each plant must be considered. For sodium-cooled fast reactor (SFR) plants, constraints on inspections exist due to the specialty that equipment retaining sodi

Externí odkaz: https://doaj.org/article/e9734f10cc6a41ada098153153f1baa6

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Akademický článek

Fundamental study on seismic safety margin for seismic isolated structure using the laminated rubber bearings

Autor: Tsuyoshi FUKASAWA, Takayuki MIYAGAWA, Masato UCHITA, Tomohiko YAMAMOTO, Masashi MIYAZAKI, Shigeki OKAMURA, Satoshi FUJITA

Publikováno v: Nihon Kikai Gakkai ronbunshu, Vol 87, Iss 898, Pp 21-00007-21-00007 (2021)

This paper describes a fundamental study on the seismic safety margin for isolated structures using laminated rubber bearings. The variation of the seismic response assumed in the isolated structures will occur under the superposition of "Variations

Externí odkaz: https://doaj.org/article/0cd0ac93899740d4b62d91bf34ef0a96

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Akademický článek

A conceptual design study of pool-type sodium-cooled fast reactor with enhanced anti-seismic capability

Autor: Shigenobu KUBO, Yoshitaka CHIKAZAWA, Hiroyuki OHSHIMA, Masato UCHITA, Takayuki MIYAGAWA, Masao ETO, Tetsuji SUZUNO, Ichiyo MATOBA, Junji ENDO, Osamu WATANABE, Koichi HIGURASHI

Publikováno v: Mechanical Engineering Journal, Vol 7, Iss 3, Pp 19-00489-19-00489 (2020)

The authors are developing the design concept of the pool-type sodium-cooled fast reactor (SFR) that addresses Japan’s specific siting conditions such as earthquakes and meets safety design criteria (SDC) and safety design guidelines (SDG) for Gene

Externí odkaz: https://doaj.org/article/123804690f6b4f56881dc87796cf6a72

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