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Proceedings Papers

Mixing Process of Two Component Gases by Natural Convection and Molecular Diffusion

Takeaki Ube, Tetsuaki Takeda
Proc. ASME. ICONE28, Volume 4: Student Paper Competition, V004T14A055, August 4–6, 2021
Publisher: American Society of Mechanical Engineers
Paper No: ICONE28-64553
https://doi.org/10.1115/ICONE28-64553
View Paper titled, Mixing Process of Two Component Gases by Natural Convection and Molecular Diffusion
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Topics: Diffusion (Physics), Gases, Natural convection, Very high temperature reactors
Proceedings Papers

Heat Transfer and Fluid Flow Characteristic of U-Shaped Flow Channel for Applications of VHTR

Yasuaki Takayama, Tetsuaki Takeda
Proc. ASME. ICONE28, Volume 4: Student Paper Competition, V004T14A054, August 4–6, 2021
Publisher: American Society of Mechanical Engineers
Paper No: ICONE28-64552
https://doi.org/10.1115/ICONE28-64552
View Paper titled, Heat Transfer and Fluid Flow Characteristic of U-Shaped Flow Channel for Applications of VHTR
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Topics: Cooling systems, Flow (Dynamics), Fluid dynamics, Heat transfer, Porous materials, Very high temperature reactors
Journal Articles

Greetings From JSME PESD

Tetsuaki Takeda
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Editorial
ASME J of Nuclear Rad Sci. January 2021, 7(1): 010204.
Paper No: NERS-20-1166
https://doi.org/10.1115/1.4048721
Published Online: December 14, 2020
View Article titled, Greetings From JSME PESD
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Topics: Japan Society of Mechanical Engineers, Nuclear power
Proceedings Papers

Heat Transfer and Fluid Flow Characteristic of One Side Heated Vertical Rectangular Channel That Inserted Thin Metallic Wire

Gota Suga, Tetsuaki Takeda
Proc. ASME. ICONE2020, Volume 3: Student Paper Competition; Thermal-Hydraulics; Verification and Validation, V003T12A040, August 4–5, 2020
Publisher: American Society of Mechanical Engineers
Paper No: ICONE2020-16705
https://doi.org/10.1115/ICONE2020-16705
View Paper titled, Heat Transfer and Fluid Flow Characteristic of One Side Heated Vertical Rectangular Channel That Inserted Thin Metallic Wire
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Topics: Fluid dynamics, Heat transfer, Wire, Very high temperature reactors, Flow (Dynamics), Natural convection, Cooling, Cooling systems, Copper, Gas turbines
Journal Articles

Experimental and Numerical Analysis of Mixing Process of Two Component Gases in a Vertical Fluid Layer in a VHTR

Tetsuaki Takeda
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research-Article
ASME J of Nuclear Rad Sci. April 2019, 5(2): 021003.
Paper No: NERS-17-1288
https://doi.org/10.1115/1.4041690
Published Online: March 15, 2019
View Article titled, Experimental and Numerical Analysis of Mixing Process of Two Component Gases in a Vertical Fluid Layer in a VHTR
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Topics: Gases, High temperature, Natural convection, Numerical analysis, Temperature, Diffusion (Physics), Flow (Dynamics), Very high temperature reactors, Low temperature, Fluids
Proceedings Papers

Heat Transfer and Fluid Flow Characteristics of One Side Heated Vertical Rectangular Channel Applied As Vessel Cooling System of VHTR

Kenta Fujikami, Tetsuaki Takeda, Shumpei Funatani
Proc. ASME. ICONE26, Volume 9: Student Paper Competition, V009T16A046, July 22–26, 2018
Publisher: American Society of Mechanical Engineers
Paper No: ICONE26-81700
https://doi.org/10.1115/ICONE26-81700
View Paper titled, Heat Transfer and Fluid Flow Characteristics of One Side Heated Vertical Rectangular Channel Applied As Vessel Cooling System of VHTR
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Topics: Cooling systems, Fluid dynamics, Heat transfer, Very high temperature reactors, Vessels, Flow (Dynamics), Natural convection, Porosity, Porous materials, Cooling
Proceedings Papers

Development of Prevention Method for Air Ingress During a Pipe Rupture Accident of the VHTR: Effectiveness on Localized Natural Convection

Yudai Tanaka, Tetsuaki Takeda
Proc. ASME. ICONE25, Volume 9: Student Paper Competition, V009T15A016, July 2–6, 2017
Publisher: American Society of Mechanical Engineers
Paper No: ICONE25-66602
https://doi.org/10.1115/ICONE25-66602
View Paper titled, Development of Prevention Method for Air Ingress During a Pipe Rupture Accident of the VHTR: Effectiveness on Localized Natural Convection
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Topics: Accidents, Natural convection, Pipes, Rupture, Very high temperature reactors, Helium, Storage tanks, Diffusion (Physics), Dimensions, Gases
Proceedings Papers

Experiment and Numerical Analysis of Mixing Process of Two Component Gases in Vertical Fluid Layer

Tetsuaki Takeda
Proc. ASME. ICONE25, Volume 6: Thermal-Hydraulics, V006T08A111, July 2–6, 2017
Publisher: American Society of Mechanical Engineers
Paper No: ICONE25-67750
https://doi.org/10.1115/ICONE25-67750
View Paper titled, Experiment and Numerical Analysis of Mixing Process of Two Component Gases in Vertical Fluid Layer
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Topics: Fluids, Gases, Numerical analysis, Accidents, Natural convection, Very high temperature reactors, Diffusion (Physics), Flow (Dynamics), High temperature, Storage tanks
Proceedings Papers

Development of Prevention Method for Air Ingress During a Depressurization Accident of the VHTR

Tetsuaki Takeda, Shumpei Funatani
Proc. ASME. ICONE24, Volume 3: Thermal-Hydraulics, V003T09A075, June 26–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ICONE24-60990
https://doi.org/10.1115/ICONE24-60990
View Paper titled, Development of Prevention Method for Air Ingress During a Depressurization Accident of the VHTR
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Topics: Accidents, Very high temperature reactors, Natural convection, Gases, Numerical analysis, Computational fluid dynamics, Diffusion (Physics), Flow (Dynamics), Fluids, Helium
Proceedings Papers

Experimental Study on Heat Transfer Enhancement Method Using Porous Material With High Porosity

Yuta Asari, Tetsuaki Takeda, Shumpei Funatani
Proc. ASME. ICONE24, Volume 5: Student Paper Competition, V005T15A051, June 26–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ICONE24-60709
https://doi.org/10.1115/ICONE24-60709
View Paper titled, Experimental Study on Heat Transfer Enhancement Method Using Porous Material With High Porosity
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Topics: Heat transfer, Porosity, Porous materials, Pipes, Pressure drop, Fins, Heat, Heat flux, Wire
Proceedings Papers

Heat Transfer and Fluid Flow Characteristics of One Side Heated Vertical Rectangular Channel Inserting Porous Material

Takumi Shigematsu, Tetsuaki Takeda, Shumpei Funatani
Proc. ASME. ICONE24, Volume 5: Student Paper Competition, V005T15A044, June 26–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ICONE24-60622
https://doi.org/10.1115/ICONE24-60622
View Paper titled, Heat Transfer and Fluid Flow Characteristics of One Side Heated Vertical Rectangular Channel Inserting Porous Material
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Topics: Fluid dynamics, Heat transfer, Porous materials, Very high temperature reactors, Cooling systems, Copper, Gas air conditioning, Numerical analysis, Wire, Building materials
Proceedings Papers

Study on the Effect of One-Dimensional Natural Circulation on the Mixing Process of Two Component Gases

Shumpei Funatani, Tetsuaki Takeda
Proc. ASME. ICONE22, Volume 2A: Thermal Hydraulics, V02AT09A046, July 7–11, 2014
Publisher: American Society of Mechanical Engineers
Paper No: ICONE22-30348
https://doi.org/10.1115/ICONE22-30348
View Paper titled, Study on the Effect of One-Dimensional Natural Circulation on the Mixing Process of Two Component Gases
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Topics: Gases, Natural convection, Diffusion (Physics), Density, Temperature, Fluids, Storage tanks, Thermocouples
Proceedings Papers

Heat Transfer and Fluid Flow Characteristics of One Side Heated Vertical Rectangular Channel Inserting Copper Wire

Tetsuaki Takeda, Shumpei Funatani
Proc. ASME. ICONE22, Volume 2B: Thermal Hydraulics, V02BT09A044, July 7–11, 2014
Publisher: American Society of Mechanical Engineers
Paper No: ICONE22-31017
https://doi.org/10.1115/ICONE22-31017
View Paper titled, Heat Transfer and Fluid Flow Characteristics of One Side Heated Vertical Rectangular Channel Inserting Copper Wire
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Topics: Copper, Fluid dynamics, Heat transfer, Wire, Very high temperature reactors, Natural convection, Porosity, Porous materials, Accidents, Ceramics
Proceedings Papers

Development of Technique for Controlling Natural Circulation Flow by Using Helium Gas

Hirofumi Hatori, Naoto Yanagawa, Tetsuaki Takeda, Shumpei Funatani
Proc. ASME. ICONE22, Volume 5: Innovative Nuclear Power Plant Design and New Technology Application; Student Paper Competition, V005T17A002, July 7–11, 2014
Publisher: American Society of Mechanical Engineers
Paper No: ICONE22-30007
https://doi.org/10.1115/ICONE22-30007
View Paper titled, Development of Technique for Controlling Natural Circulation Flow by Using Helium Gas
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Topics: Flow (Dynamics), Helium, Reactor vessels, Temperature, Accidents, Graphite, Steady state, Very high temperature reactors, Design, Ducts
Proceedings Papers

Experiment and Numerical Analysis of Control Method of Natural Circulation by Injection of Helium Gas

Naoto Yanagawa, Masashi Nomura, Tetsuaki Takeda, Shumpei Funatani
Proc. ASME. ICONE21, Volume 6: Beyond Design Basis Events; Student Paper Competition, V006T16A026, July 29–August 2, 2013
Publisher: American Society of Mechanical Engineers
Paper No: ICONE21-16072
https://doi.org/10.1115/ICONE21-16072
View Paper titled, Experiment and Numerical Analysis of Control Method of Natural Circulation by Injection of Helium Gas
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Topics: Helium, Numerical analysis, Accidents, Very high temperature reactors, Flow (Dynamics), Pipes, Reactor vessels, Design, Diffusion (Physics), Graphite
Proceedings Papers

Study on Mixing Process of Two Component Gases in a Stable Stratified Fluid Layer: Effectiveness on Natural Convection

Tetsuaki Takeda, Shumpei Funatani
Proc. ASME. ICONE21, Volume 4: Thermal Hydraulics, V004T09A071, July 29–August 2, 2013
Publisher: American Society of Mechanical Engineers
Paper No: ICONE21-16063
https://doi.org/10.1115/ICONE21-16063
View Paper titled, Study on Mixing Process of Two Component Gases in a Stable Stratified Fluid Layer: Effectiveness on Natural Convection
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Topics: Fluids, Gases, Natural convection, Diffusion (Physics), Very high temperature reactors, Accidents, Density, Dimensions, Helium, Nitrogen
Proceedings Papers

Study on Mixing Process of Two Component Gases in a Vertical Fluid Layer: Effectiveness on One-Dimensional Natural Circulation

Hiroki Mizuno, Tetsuaki Takeda, Shumpei Funatani
Proc. ASME. ICONE20-POWER2012, Volume 5: Fusion Engineering; Student Paper Competition; Design Basis and Beyond Design Basis Events; Simple and Combined Cycles, 167-173, July 30–August 3, 2012
Publisher: American Society of Mechanical Engineers
Paper No: ICONE20-POWER2012-54402
https://doi.org/10.1115/ICONE20-POWER2012-54402
View Paper titled, Study on Mixing Process of Two Component Gases in a Vertical Fluid Layer: Effectiveness on One-Dimensional Natural Circulation
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Topics: Fluids, Gases, Natural convection
Proceedings Papers

Study on Control Method of Natural Circulation by Injection of Helium Gas

Masashi Nomura, Tetsuaki Takeda, Shumpei Funatani, Takuya Shimura
Proc. ASME. ICONE20-POWER2012, Volume 5: Fusion Engineering; Student Paper Competition; Design Basis and Beyond Design Basis Events; Simple and Combined Cycles, 199-203, July 30–August 3, 2012
Publisher: American Society of Mechanical Engineers
Paper No: ICONE20-POWER2012-54490
https://doi.org/10.1115/ICONE20-POWER2012-54490
View Paper titled, Study on Control Method of Natural Circulation by Injection of Helium Gas
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Topics: Helium, Accidents, Flow (Dynamics), Very high temperature reactors, Pipes, Reactor vessels, Rupture, Design, Graphite, Steady state
Proceedings Papers

Heat Transfer Characteristics of One Side Heated Vertical Rectangular Channel Inserting Porous Material

Tetsuaki Takeda, Akihiro Sato, Shumpei Funatani
Proc. ASME. ICONE20-POWER2012, Volume 3: Thermal-Hydraulics; Turbines, Generators, and Auxiliaries, 733-740, July 30–August 3, 2012
Publisher: American Society of Mechanical Engineers
Paper No: ICONE20-POWER2012-55155
https://doi.org/10.1115/ICONE20-POWER2012-55155
View Paper titled, Heat Transfer Characteristics of One Side Heated Vertical Rectangular Channel Inserting Porous Material
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Topics: Heat transfer, Porous materials, Heat, Natural convection, Very high temperature reactors, Wire, Cooling systems, Copper, Porosity, Computational fluid dynamics
Proceedings Papers

Thermal Performance of Vertical Rectangular Channel Inserting Copper Wire With High Porosity

Tetsuaki Takeda, Akira Honma, Yuta Sugai
Proc. ASME. ICONE18, 18th International Conference on Nuclear Engineering: Volume 4, Parts A and B, 579-584, May 17–21, 2010
Publisher: American Society of Mechanical Engineers
Paper No: ICONE18-29602
https://doi.org/10.1115/ICONE18-29602
View Paper titled, Thermal Performance of Vertical Rectangular Channel Inserting Copper Wire With High Porosity
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Topics: Copper, Porosity, Wire, Porous materials, Very high temperature reactors, Cooling systems, Forced convection, Heat, Heat transfer, Natural convection