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Journal Articles

Loss of Core Cooling Test With One Cooling Line Inactive in Vessel Cooling System of High-Temperature Engineering Test Reactor

Yusuke Fujiwara, Takahiro Nemoto, Daisuke Tochio, Masanori Shinohara, Masato Ono, Shoji Takada
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research-Article
ASME J of Nuclear Rad Sci. October 2017, 3(4): 041013.
Paper No: NERS-16-1123
https://doi.org/10.1115/1.4036985
Published Online: July 31, 2017
View Article titled, Loss of Core Cooling Test With One Cooling Line Inactive in Vessel Cooling System of High-Temperature Engineering Test Reactor
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Topics: Cooling, Cooling systems, Temperature, Vessels, Water, Concretes, High temperature, Heat, Helium, Coolants
Proceedings Papers

Improvement of Exchanging Method of Neutron Startup Source of High Temperature Engineering Test Reactor

Hiroaki Sawahata, Yosuke Shimazaki, Etsuo Ishitsuka, Kazunori Yamazaki, Yoshinori Yanagida, Yusuke Fujiwara, Shoji Takada, Masayuki Shinozaki, Shimpei Hamamoto, Daisuke Tochio
Proc. ASME. ICONE24, Volume 2: Smart Grids, Grid Stability, and Offsite and Emergency Power; Advanced and Next Generation Reactors, Fusion Technology; Safety, Security, and Cyber Security; Codes, Standards, Conformity Assessment, Licensing, and Regulatory Issues, V002T06A033, June 26–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ICONE24-60842
https://doi.org/10.1115/ICONE24-60842
View Paper titled, Improvement of Exchanging Method of Neutron Startup Source of High Temperature Engineering Test Reactor
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Topics: High temperature, Neutrons, Containers, Fuels, Leakage, Machinery, Neutron sources, Radiation (Physics), Transportation systems, Cooling
Proceedings Papers

Confirmation of Seismic Integrity of HTTR Against 2011 Great East Japan Earthquake

Masato Ono, Kazuhiko Iigaki, Yosuke Shimazaki, Atsushi Shimizu, Hiroyuki Inoi, Daisuke Tochio, Shimpei Hamamoto, Tetsuo Nishihara, Shoji Takada, Kazuhiro Sawa, Toshinari Kondo, Keidai Kojima
Proc. ASME. ICONE24, Volume 2: Smart Grids, Grid Stability, and Offsite and Emergency Power; Advanced and Next Generation Reactors, Fusion Technology; Safety, Security, and Cyber Security; Codes, Standards, Conformity Assessment, Licensing, and Regulatory Issues, V002T06A023, June 26–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ICONE24-60571
https://doi.org/10.1115/ICONE24-60571
View Paper titled, Confirmation of Seismic Integrity of HTTR Against 2011 Great East Japan Earthquake
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Topics: Earthquakes, Inspection, Instrumentation, Very high temperature reactors, Damage, Earthquake resistant design, High temperature, Industrial research, Maintenance, Nuclear power
Proceedings Papers

Thermal Mixing Behavior in the Annulus of Co-Axial Double-Walled Piping in HTGR

Daisuke Tochio, Yusuke Fujiwara, Masato Ono, Masanori Shinohara, Shimpei Hamamoto, Kazuhiko Iigaki, Shoji Takada
Proc. ASME. ICONE24, Volume 2: Smart Grids, Grid Stability, and Offsite and Emergency Power; Advanced and Next Generation Reactors, Fusion Technology; Safety, Security, and Cyber Security; Codes, Standards, Conformity Assessment, Licensing, and Regulatory Issues, V002T06A034, June 26–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ICONE24-60843
https://doi.org/10.1115/ICONE24-60843
View Paper titled, Thermal Mixing Behavior in the Annulus of Co-Axial Double-Walled Piping in HTGR
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Topics: Annulus, Pipes, Very high temperature reactors, Helium, Temperature, Flow (Dynamics), Coolants, Cooling systems, Gas flow, Gases
Proceedings Papers

Characteristic Confirmation Test by Using HTTR and Investigation of Absorbing Thermal Load Fluctuation

Yuki Honda, Daisuke Tochio, Hiroyuki Sato, Shigeaki Nakagawa, Masato Ono, Yusuke Fujiwara, Shimpei Hamamoto, Kazuhiko Iigaki, Shoji Takada
Proc. ASME. ICONE24, Volume 2: Smart Grids, Grid Stability, and Offsite and Emergency Power; Advanced and Next Generation Reactors, Fusion Technology; Safety, Security, and Cyber Security; Codes, Standards, Conformity Assessment, Licensing, and Regulatory Issues, V002T06A014, June 26–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ICONE24-60355
https://doi.org/10.1115/ICONE24-60355
View Paper titled, Characteristic Confirmation Test by Using HTTR and Investigation of Absorbing Thermal Load Fluctuation
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Topics: Stress, Very high temperature reactors, Temperature, Graphite, Heat, Testing performance, Combined heat and power, Fuels, High temperature, Nuclear power stations
Proceedings Papers

Loss of Core Cooling Test Without One Cooling Line in Vessel Cooling System (VCS) of High Temperature Engineering Test Reactor (HTTR)

Yusuke Fujiwara, Takahiro Nemoto, Daisuke Tochio, Masanori Shinohara, Masato Ono, Shimpei Hamamoto, Kazuhiko Iigaki, Shoji Takada
Proc. ASME. ICONE24, Volume 2: Smart Grids, Grid Stability, and Offsite and Emergency Power; Advanced and Next Generation Reactors, Fusion Technology; Safety, Security, and Cyber Security; Codes, Standards, Conformity Assessment, Licensing, and Regulatory Issues, V002T06A035, June 26–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ICONE24-60858
https://doi.org/10.1115/ICONE24-60858
View Paper titled, Loss of Core Cooling Test Without One Cooling Line in Vessel Cooling System (VCS) of High Temperature Engineering Test Reactor (HTTR)
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Topics: Cooling, Cooling systems, High temperature, Vessels, Temperature, Reactor vessels, Concretes, Heat, Helium, Control systems
Journal Articles

Investigation of Countermeasure Against Local Temperature Rise in Vessel Cooling System in Loss of Core Cooling Test Without Nuclear Heating

Masato Ono, Atsushi Shimizu, Makoto Kondo, Yosuke Shimazaki, Masanori Shinohara, Daisuke Tochio, Kazuhiko Iigaki, Shigeaki Nakagawa, Shoji Takada, Kazuhiro Sawa
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Technical Briefs
ASME J of Nuclear Rad Sci. October 2016, 2(4): 044502.
Paper No: NERS-15-1178
https://doi.org/10.1115/1.4032478
Published Online: October 12, 2016
View Article titled, Investigation of Countermeasure Against Local Temperature Rise in Vessel Cooling System in Loss of Core Cooling Test Without Nuclear Heating
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Topics: Cooling, Heating, Temperature, Water, Cooling systems, Vessels, Flow (Dynamics), Heat
Journal Articles

Nuclear Heat Supply Fluctuation Tests by Non-Nuclear Heating With HTTR

Yoshitomo Inaba, Kenji Sekita, Takahiro Nemoto, Yuki Honda, Daisuke Tochio, Hiroyuki Sato, Shigeaki Nakagawa, Shoji Takada, Kazuhiro Sawa
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research Papers
ASME J of Nuclear Rad Sci. October 2016, 2(4): 041001.
Paper No: NERS-15-1194
https://doi.org/10.1115/1.4034320
Published Online: October 12, 2016
View Article titled, Nuclear Heat Supply Fluctuation Tests by Non-Nuclear Heating With HTTR
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Topics: Coolants, Heat, Heating, Pressure, Temperature, Graphite, Helium, Heat transfer, Stress
Proceedings Papers

Preliminary Study on Thermal-Load Fluctuation Test Using HTTR

Daisuke Tochio, Yosuke Shimazaki, Kazuhiko Iigaki, Shigeaki Nakagawa, Shoji Takada, Nariaki Sakaba, Kazuhiro Sawa
Proc. ASME. ICONE21, Volume 2: Plant Systems, Construction, Structures and Components; Next Generation Reactors and Advanced Reactors, V002T05A034, July 29–August 2, 2013
Publisher: American Society of Mechanical Engineers
Paper No: ICONE21-16082
https://doi.org/10.1115/ICONE21-16082
View Paper titled, Preliminary Study on Thermal-Load Fluctuation Test Using HTTR
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Topics: Stress, Dynamics (Mechanics), Hydrogen production, Combined heat and power, Design, Hydrogen, Industrial plants, Scram, Steady state, Very high temperature reactors
Proceedings Papers

A Safety Evaluation of HTTR Core Components Against 2011 Tohoku Earthquake

Kazuhiko Iigaki, Masato Ono, Yosuke Shimazaki, Daisuke Tochio, Atsushi Shimizu, Hiroyuki Inoi, Shoji Takada, Kazuhiro Sawa
Proc. ASME. ICONE21, Volume 2: Plant Systems, Construction, Structures and Components; Next Generation Reactors and Advanced Reactors, V002T05A035, July 29–August 2, 2013
Publisher: American Society of Mechanical Engineers
Paper No: ICONE21-16091
https://doi.org/10.1115/ICONE21-16091
View Paper titled, A Safety Evaluation of HTTR Core Components Against 2011 Tohoku Earthquake
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Topics: Earthquakes, Safety, Seismic analysis, Design, Graphite, Inspection, Magnification, Optical quality control, Seismic waves, Stress
Proceedings Papers

Improvement of Temperature Evaluation Model of Biological Shielding Concrete for HTTR Test Simulating LOFC With VCS Inactive

Shoji Takada, Shunki Yanagi, Kazuhiko Iigaki, Masanori Shinohara, Daisuke Tochio, Yosuke Shimazaki, Masato Ono, Kazuhiro Sawa
Proc. ASME. ICONE21, Volume 2: Plant Systems, Construction, Structures and Components; Next Generation Reactors and Advanced Reactors, V002T05A036, July 29–August 2, 2013
Publisher: American Society of Mechanical Engineers
Paper No: ICONE21-16095
https://doi.org/10.1115/ICONE21-16095
View Paper titled, Improvement of Temperature Evaluation Model of Biological Shielding Concrete for HTTR Test Simulating LOFC With VCS Inactive
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Topics: Concretes, Temperature, Cooling, Heat transfer, Fins, Heat conduction, Natural convection, Thermal radiation, Very high temperature reactors, Water
Proceedings Papers

Experience and Future Plan of Test Operation Using HTTR

Tetsuo Nishihara, Daisuke Tochio, Masanori Shinohara, Yosuke Shimazaki, Naoki Nojiri, Tatsuo Iyoku
Proc. ASME. ICONE18, 18th International Conference on Nuclear Engineering: Volume 6, 79-84, May 17–21, 2010
Publisher: American Society of Mechanical Engineers
Paper No: ICONE18-29412
https://doi.org/10.1115/ICONE18-29412
View Paper titled, Experience and Future Plan of Test Operation Using HTTR
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Topics: Accidents, Coolants, Cooling, Design, Feedback, Flow (Dynamics), Fuels, Gas cooled reactors, Graphite, Heat