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Proceedings Papers

Research and Development of Three-Dimensional Isolation System for Sodium-Cooled Fast Reactor: Part 8 — Assembly Static Test Results of Three-Dimensional Isolated Device by Bi-Axial Loadings

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Takahiro Somaki, Masaki Yukawa, Tsuyoshi Fukasawa, Tomoyuki Hirayama, Masato Uchita, Takayuki Miyagawa, Shigeki Okamura, Tomohiko Yamamoto, Tomoyoshi Watakabe, Masashi Miyazaki, Satoshi Fujita
Proc. ASME. PVP2024, Volume 5: Operations, Applications, & Components; Seismic Engineering; ASME Nondestructive Evaluation, Diagnosis and Prognosis (NDPD) Division, V005T08A007, July 28–August 2, 2024
Publisher: American Society of Mechanical Engineers
Paper No: PVP2024-124495
https://doi.org/10.1115/PVP2024-124495
View Paper titled, Research and Development of Three-Dimensional Isolation System for Sodium-Cooled Fast Reactor: Part 8 — Assembly Static Test Results of Three-Dimensional Isolated Device by Bi-Axial Loadings
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Topics: Industrial research, Manufacturing, Sodium fast reactors, Stress, Earthquake resistant design, Bearings, Dampers, Damping, Disks, Plates (structures)
Proceedings Papers

Research and Development of Three-Dimensional Isolation System for Sodium Cooled Fast Reactor: Part 7 Development Summary of Three-Dimensional Isolation System

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Tomoyoshi Watakabe, Tomohiko Yamamoto, Shigeki Okamura, Masashi Miyazaki, Takayuki Miyagawa, Masato Uchita, Tomoyuki Hirayama, Takahiro Somaki, Masaki Yukawa, Tsuyoshi Fukasawa, Satoshi Fujita
Proc. ASME. PVP2024, Volume 5: Operations, Applications, & Components; Seismic Engineering; ASME Nondestructive Evaluation, Diagnosis and Prognosis (NDPD) Division, V005T08A005, July 28–August 2, 2024
Publisher: American Society of Mechanical Engineers
Paper No: PVP2024-122430
https://doi.org/10.1115/PVP2024-122430
View Paper titled, Research and Development of Three-Dimensional Isolation System for Sodium Cooled Fast Reactor: Part 7 Development Summary of Three-Dimensional Isolation System
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Topics: Disks, Industrial research, Sodium fast reactors, Springs, Earthquakes, Design, Light water reactors, Pipes, Stress, Bearings
Proceedings Papers

Research and Development of Three-Dimensional Isolation System For Sodium Cooled Fast Reactor Part 9: Evaluating Seismic Isolation Performance Through Seismic Response Analysis

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Tsuyoshi Fukasawa, Takahiro Somaki, Masaki Yukawa, Tomoyuki Hirayama, Tomoyoshi Watakabe, Tomohiko Yamamoto, Shigeki Okamura, Masashi Miyazaki, Masato Uchita, Takayuki Miyagawa, Satoshi Fujita
Proc. ASME. PVP2024, Volume 5: Operations, Applications, & Components; Seismic Engineering; ASME Nondestructive Evaluation, Diagnosis and Prognosis (NDPD) Division, V005T08A004, July 28–August 2, 2024
Publisher: American Society of Mechanical Engineers
Paper No: PVP2024-121899
https://doi.org/10.1115/PVP2024-121899
View Paper titled, Research and Development of Three-Dimensional Isolation System For Sodium Cooled Fast Reactor Part 9: Evaluating Seismic Isolation Performance Through Seismic Response Analysis
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Topics: Bearings, Dampers, Design, Finite element methods, Finite element model, Industrial research, Rubber, Sodium fast reactors
Proceedings Papers

Study on Vertical Sloshing Load Acting on Roof of Cylindrical Tanks Under Seismic Wave Excitation

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Shunichi Ikesue, Akihisa Iwasaki, Hiromi Sago, Shinobu Yokoi, Tomohiko Yamamoto
Proc. ASME. PVP2024, Volume 5: Operations, Applications, & Components; Seismic Engineering; ASME Nondestructive Evaluation, Diagnosis and Prognosis (NDPD) Division, V005T08A012, July 28–August 2, 2024
Publisher: American Society of Mechanical Engineers
Paper No: PVP2024-121826
https://doi.org/10.1115/PVP2024-121826
View Paper titled, Study on Vertical Sloshing Load Acting on Roof of Cylindrical Tanks Under Seismic Wave Excitation
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Topics: Excitation, Roofs, Seismic waves, Sloshing, Stress
Proceedings Papers

Experiment of Floating Seismic Isolation System

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Takashi Mori, Takahiro Shimada, Satoru Kai, Akihito Otani, Tomohiko Yamamoto, Xing L. Yan
Proc. ASME. PVP2023, Volume 7: Seismic Engineering; ASME Nondestructive Evaluation, Diagnosis and Prognosis (NDPD) Division, V007T08A021, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-102224
https://doi.org/10.1115/PVP2023-102224
View Paper titled, Experiment of Floating Seismic Isolation System
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Topics: Cavities, Damping, Design, Excitation, Floating structures, Ocean engineering, Orifices, Physics, Seismic waves, Small modular reactors
Proceedings Papers

Study on Vertical Load Acting on Whole Roof of Cylindrical Tanks in Nonlinear Sloshing Including Extremely Large Load

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Shunichi Ikesue, Hideyuki Morita, Hiromi Sago, Shinobu Yokoi, Tomohiko Yamamoto
Proc. ASME. PVP2023, Volume 7: Seismic Engineering; ASME Nondestructive Evaluation, Diagnosis and Prognosis (NDPD) Division, V007T08A025, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-105288
https://doi.org/10.1115/PVP2023-105288
View Paper titled, Study on Vertical Load Acting on Whole Roof of Cylindrical Tanks in Nonlinear Sloshing Including Extremely Large Load
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Topics: Roofs, Sloshing, Stress
Proceedings Papers

Study on the Predictive Evaluation Method of Load Acting on Roof in Nonlinear Sloshing of Cylindrical Tank

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Shunichi Ikesue, Hideyuki Morita, Hidekazu Ishii, Hiromi Sago, Shinobu Yokoi, Tomohiko Yamamoto
Proc. ASME. PVP2022, Volume 5: Operations, Applications, and Components; Seismic Engineering; ASME Nondestructive Evaluation, Diagnosis and Prognosis (NDPD) Division, V005T08A021, July 17–22, 2022
Publisher: American Society of Mechanical Engineers
Paper No: PVP2022-82752
https://doi.org/10.1115/PVP2022-82752
View Paper titled, Study on the Predictive Evaluation Method of Load Acting on Roof in Nonlinear Sloshing of Cylindrical Tank
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Topics: Evaluation methods, Roofs, Sloshing, Stress
Proceedings Papers

Study on the Predictive Evaluation Method for Loads Acting on Roof and Sidewall of Cylindrical Tank in Nonlinear Sloshing Based on Simplified Equations

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Shunichi Ikesue, Hideyuki Morita, Hidekazu Ishii, Hiromi Sago, Shinobu Yokoi, Tomohiko Yamamoto
Proc. ASME. PVP2021, Volume 5: Operations, Applications, and Components; Seismic Engineering; Non-Destructive Examination, V005T08A012, July 13–15, 2021
Publisher: American Society of Mechanical Engineers
Paper No: PVP2021-61343
https://doi.org/10.1115/PVP2021-61343
View Paper titled, Study on the Predictive Evaluation Method for Loads Acting on Roof and Sidewall of Cylindrical Tank in Nonlinear Sloshing Based on Simplified Equations
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Topics: Evaluation methods, Roofs, Sloshing, Stress
Proceedings Papers

Research and Development of Three-Dimensional Isolation System for Sodium-Cooled Fast Reactor: Part 5 — Isolation Performance Applied to Reactor Building

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Takahiro Somaki, Tsuyoshi Fukasawa, Shigeki Okamura, Takayuki Miyagawa, Masato Uchita, Tomohiko Yamamoto, Masashi Miyazaki, Satoshi Fujita
Proc. ASME. PVP2020, Volume 9: Seismic Engineering, V009T09A019, August 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: PVP2020-21709
https://doi.org/10.1115/PVP2020-21709
View Paper titled, Research and Development of Three-Dimensional Isolation System for Sodium-Cooled Fast Reactor: Part 5 — Isolation Performance Applied to Reactor Building
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Topics: Industrial research, Sodium fast reactors
Proceedings Papers

Experimental Study on the Effect of Core Support Frame on Seismic Behavior of Fast Reactor Core

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Shinichiro Matsubara, Akihisa Iwasaki, Hidenori Harada, Tomohiko Yamamoto
Proc. ASME. PVP2020, Volume 9: Seismic Engineering, V009T09A023, August 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: PVP2020-21385
https://doi.org/10.1115/PVP2020-21385
View Paper titled, Experimental Study on the Effect of Core Support Frame on Seismic Behavior of Fast Reactor Core
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Topics: Fast neutron reactors, Earthquakes, Vibration, Collisions (Physics), Compacting, Displacement, Elongation, Fluid structure interaction, Vibration analysis
Proceedings Papers

Study on the Predictive Evaluation Method of Load Acting on the Roof and Internal Components of Cylindrical Tanks by Nonlinear Sloshing

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Hideyuki Morita, Tomoshige Takata, Hideki Madokoro, Hiromi Sago, Shinobu Yokoi, Tomohiko Yamamoto
Proc. ASME. PVP2020, Volume 9: Seismic Engineering, V009T09A021, August 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: PVP2020-21343
https://doi.org/10.1115/PVP2020-21343
View Paper titled, Study on the Predictive Evaluation Method of Load Acting on the Roof and Internal Components of Cylindrical Tanks by Nonlinear Sloshing
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Topics: Evaluation methods, Roofs, Sloshing, Stress, Waves, Earthquakes, Accidents, Damage, Design, Fluid dynamics
Proceedings Papers

Research and Development of Three-Dimensional Isolation System for Sodium-Cooled Fast Reactor: Part 6 — Development of High Speed Oil Damper for Isolated Building

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Tsuyoshi Fukasawa, Takahiro Somaki, Takayuki Miyagawa, Masato Uchita, Tomohiko Yamamoto, Masashi Miyazaki, Shigeki Okamura, Satoshi Fujita
Proc. ASME. PVP2020, Volume 9: Seismic Engineering, V009T09A018, August 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: PVP2020-21320
https://doi.org/10.1115/PVP2020-21320
View Paper titled, Research and Development of Three-Dimensional Isolation System for Sodium-Cooled Fast Reactor: Part 6 — Development of High Speed Oil Damper for Isolated Building
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Topics: Dampers, Industrial research, Sodium fast reactors
Proceedings Papers

Study on the Predictive Evaluation Method for Liquid Surface Shape and Flow Velocity in Nonlinear Sloshing Based on Simplified Equations

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Shunichi Ikesue, Hideyuki Morita, Tomoshige Takata, Hideki Madokoro, Hidekazu Ishii, Hiromi Sago, Shinobu Yokoi, Tomohiko Yamamoto
Proc. ASME. PVP2020, Volume 9: Seismic Engineering, V009T09A022, August 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: PVP2020-21344
https://doi.org/10.1115/PVP2020-21344
View Paper titled, Study on the Predictive Evaluation Method for Liquid Surface Shape and Flow Velocity in Nonlinear Sloshing Based on Simplified Equations
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Topics: Evaluation methods, Flow (Dynamics), Shapes, Sloshing, Waves, Stress, Roofs, Design, Accidents, Damage
Proceedings Papers

Analysis of Seismic Experiment of Hexagonal Multi Bundle Model Using Core Assembly Mock-Up

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Akihisa Iwasaki, Shinichiro Matsubara, Hidenori Harada, Tomohiko Yamamoto
Proc. ASME. PVP2020, Volume 9: Seismic Engineering, V009T09A024, August 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: PVP2020-21386
https://doi.org/10.1115/PVP2020-21386
View Paper titled, Analysis of Seismic Experiment of Hexagonal Multi Bundle Model Using Core Assembly Mock-Up
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Topics: Manufacturing, Fast neutron reactors, Vibration, Displacement, Earthquakes, Boundary-value problems, Collisions (Physics), Elongation, Fluid structure interaction, Vibration analysis
Proceedings Papers

Research and Development of Three-Dimensional Isolation System for Sodium-Cooled Fast Reactor: Part 3 — Characteristics for Elements on Basis of Half-Scale Loading Tests

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Takahiro Somaki, Tsuyoshi Fukasawa, Shigeki Okamura, Takayuki Miyagawa, Masato Uchita, Tomohiko Yamamoto, Tomoyoshi Watakabe, Satoshi Fujita
Proc. ASME. PVP2019, Volume 8: Seismic Engineering, V008T08A037, July 14–19, 2019
Publisher: American Society of Mechanical Engineers
Paper No: PVP2019-93475
https://doi.org/10.1115/PVP2019-93475
View Paper titled, Research and Development of Three-Dimensional Isolation System for Sodium-Cooled Fast Reactor: Part 3 — Characteristics for Elements on Basis of Half-Scale Loading Tests
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Topics: Bearings, Disks, Industrial research, Rubber, Sodium fast reactors, Springs, Dampers, Design methodology, Displacement, Dynamic testing (Materials)
Proceedings Papers

Research and Development of Three-Dimensional Isolation System for Sodium-Cooled Fast Reactor: Part 4 — Proposal of Optimal Combination Method for Disc Spring Units and Newly Friction Model for Sliding Elements

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Tsuyoshi Fukasawa, Shigeki Okamura, Takahiro Somaki, Takayuki Miyagawa, Masato Uchita, Tomohiko Yamamoto, Tomoyoshi Watakabe, Satoshi Fujita
Proc. ASME. PVP2019, Volume 8: Seismic Engineering, V008T08A038, July 14–19, 2019
Publisher: American Society of Mechanical Engineers
Paper No: PVP2019-93480
https://doi.org/10.1115/PVP2019-93480
View Paper titled, Research and Development of Three-Dimensional Isolation System for Sodium-Cooled Fast Reactor: Part 4 — Proposal of Optimal Combination Method for Disc Spring Units and Newly Friction Model for Sliding Elements
Open the PDF for Research and Development of Three-Dimensional Isolation System for Sodium-Cooled Fast Reactor: Part 4 — Proposal of Optimal Combination Method for Disc Spring Units and Newly Friction Model for Sliding Elements in another window
Topics: Disks, Friction, Industrial research, Sodium fast reactors, Springs, Algorithms, Bearings, Dampers, Dimensions, Quality control
Proceedings Papers

Study on the Predictive Evaluation Method of Nonlinear Sloshing Wave Crest Impact Load on the Roof of Cylindrical Tanks

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Hideyuki Morita, Tomoshige Takata, Hideki Madokoro, Hiromi Sago, Shinobu Yokoi, Tomohiko Yamamoto
Proc. ASME. PVP2019, Volume 8: Seismic Engineering, V008T08A039, July 14–19, 2019
Publisher: American Society of Mechanical Engineers
Paper No: PVP2019-93442
https://doi.org/10.1115/PVP2019-93442
View Paper titled, Study on the Predictive Evaluation Method of Nonlinear Sloshing Wave Crest Impact Load on the Roof of Cylindrical Tanks
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Topics: Evaluation methods, Roofs, Sloshing, Stress, Waves, Earthquakes, Flow (Dynamics), Accidents, Damage, Design
Proceedings Papers

Effect of Deformation of Core Elements of Fast Reactor Core to the Seismic Response

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Akihisa Iwasaki, Shinichiro Matsubara, Kazuteru Kawamura, Hidenori Harada, Tomohiko Yamamoto
Proc. ASME. PVP2019, Volume 8: Seismic Engineering, V008T08A040, July 14–19, 2019
Publisher: American Society of Mechanical Engineers
Paper No: PVP2019-93769
https://doi.org/10.1115/PVP2019-93769
View Paper titled, Effect of Deformation of Core Elements of Fast Reactor Core to the Seismic Response
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Topics: Deformation, Fast neutron reactors, Displacement, Earthquakes, Seismic analysis, Thermal expansion, Collisions (Physics), Fluid structure interaction, Nozzles, Vibration
Proceedings Papers

Fast Reactor Core Seismic Analysis for Verification of Assessment Model Considering Deformation of Core Elements

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Shinichiro Matsubara, Akihisa Iwasaki, Kazuteru Kawamura, Hidenori Harada, Tomohiko Yamamoto
Proc. ASME. PVP2019, Volume 8: Seismic Engineering, V008T08A041, July 14–19, 2019
Publisher: American Society of Mechanical Engineers
Paper No: PVP2019-93778
https://doi.org/10.1115/PVP2019-93778
View Paper titled, Fast Reactor Core Seismic Analysis for Verification of Assessment Model Considering Deformation of Core Elements
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Topics: Deformation, Fast neutron reactors, Seismic analysis, Vibration, Vibration tests, Displacement, Fluid structure interaction, Fluids, Irradiation (Radiation exposure), Thermal expansion
Proceedings Papers

Study on the Predictive Evaluation Method of Nonlinear Sloshing Wave Height of Cylindrical Tanks: Part 2 — Proposal and Examination of Applicability of the Predictive Evaluation Method

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Hiromi Sago, Hideyuki Morita, Tomoshige Takata, Hideki Madokoro, Hisatomo Murakami, Shinobu Yokoi, Tomohiko Yamamoto
Proc. ASME. PVP2018, Volume 8: Seismic Engineering, V008T08A045, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: PVP2018-84419
https://doi.org/10.1115/PVP2018-84419
View Paper titled, Study on the Predictive Evaluation Method of Nonlinear Sloshing Wave Height of Cylindrical Tanks: Part 2 — Proposal and Examination of Applicability of the Predictive Evaluation Method
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Topics: Evaluation methods, Sloshing, Waves, Earthquakes, Roofs, Accidents, Damage, Design, Flow (Dynamics), Linear vibration