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Proceedings Papers

Study on the Stream-Wise Fluidelastic Instability of Rotated Square Arrays of Circular Cylinders Subjected on Cross-Flow

Tomomichi Nakamura, Tomoki Tsujita
Proc. ASME. PVP2017, Volume 4: Fluid-Structure Interaction, V004T04A025, July 16–20, 2017
Publisher: American Society of Mechanical Engineers
Paper No: PVP2017-65162
https://doi.org/10.1115/PVP2017-65162
View Paper titled, Study on the Stream-Wise Fluidelastic Instability of Rotated Square Arrays of Circular Cylinders Subjected on Cross-Flow
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Topics: Boilers, Circular cylinders, Cross-flow, Cylinders, Flow (Dynamics), Nuclear power stations, Test facilities, Vibration, Wind tunnels
Proceedings Papers

Investigation of In-Flow Fluidelastic Instability of Square Tube Arrays Subjected to Air Cross Flow

Tomomichi Nakamura, Shinichiro Hagiwara, Joji Yamada, Kenji Usuki
Proc. ASME. PVP2015, Volume 4: Fluid-Structure Interaction, V004T04A013, July 19–23, 2015
Publisher: American Society of Mechanical Engineers
Paper No: PVP2015-45091
https://doi.org/10.1115/PVP2015-45091
View Paper titled, Investigation of In-Flow Fluidelastic Instability of Square Tube Arrays Subjected to Air Cross Flow
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Topics: Cross-flow, Flow (Dynamics), Heat exchangers, Cylinders, Design, Nuclear industry, Nuclear power stations
Proceedings Papers

Dynamics of the Forced Karman Wake: Comparison of 2D and 3D Models

Njuki W. Mureithi, Xiaofei Xu, Laszlo Baranyi, Tomomichi Nakamura, Shigehiko Kaneko
Proc. ASME. PVP2014, Volume 4: Fluid-Structure Interaction, V004T04A065, July 20–24, 2014
Publisher: American Society of Mechanical Engineers
Paper No: PVP2014-28750
https://doi.org/10.1115/PVP2014-28750
View Paper titled, Dynamics of the Forced Karman Wake: Comparison of 2D and 3D Models
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Topics: Dynamics (Mechanics), Three-dimensional models, Wakes, Bifurcation, Engineering simulation, Simulation, Cylinders, Flow (Dynamics), Oscillations, Feedback
Proceedings Papers

Study on Power Generation Using Unstable Energy by In-Flow Fluidelastic Vibration

Takuya Sumitani, Shinichiro Hagiwara, Tomomichi Nakamura
Proc. ASME. PVP2014, Volume 4: Fluid-Structure Interaction, V004T04A020, July 20–24, 2014
Publisher: American Society of Mechanical Engineers
Paper No: PVP2014-28244
https://doi.org/10.1115/PVP2014-28244
View Paper titled, Study on Power Generation Using Unstable Energy by In-Flow Fluidelastic Vibration
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Topics: Energy generation, Flow (Dynamics), Vibration, Cylinders, Limit cycles, Electricity (Physics), Damping, Design, Energy dissipation, Engineers
Proceedings Papers

Design and Maintenance in an IAEA Technical Guidelines on Fluid-Structure Interaction

Fumio Inada, Tomomichi Nakamura, Takashi Nishihara, Shigehiko Kaneko, Manwoong Kim, Robert A. Ainsworth, Shiro Takahashi
Proc. ASME. PVP2014, Volume 4: Fluid-Structure Interaction, V004T04A085, July 20–24, 2014
Publisher: American Society of Mechanical Engineers
Paper No: PVP2014-28389
https://doi.org/10.1115/PVP2014-28389
View Paper titled, Design and Maintenance in an IAEA Technical Guidelines on Fluid-Structure Interaction
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Topics: Design, Fluid structure interaction, Maintenance, Damage, Deformation, Flow-induced vibrations, Fracture (Materials), Fracture (Process), Nuclear power, Nuclear power plant maintenance
Proceedings Papers

Nuclear Power Plants Issues in IAEA Technical Guidelines on Fluid-Structure Interactions

Shiro Takahashi, Kunio Hasegawa, Tomomichi Nakamura
Proc. ASME. PVP2014, Volume 4: Fluid-Structure Interaction, V004T04A086, July 20–24, 2014
Publisher: American Society of Mechanical Engineers
Paper No: PVP2014-28476
https://doi.org/10.1115/PVP2014-28476
View Paper titled, Nuclear Power Plants Issues in IAEA Technical Guidelines on Fluid-Structure Interactions
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Topics: Fluid structure interaction, Nuclear power stations, Flow-induced vibrations, Engineering prototypes, Nuclear power, Structural design, Vibration, Water hammer
Proceedings Papers

An Analysis of In-Flow Fluidelastic Instability Based on a Physical Insight

Tomomichi Nakamura
Proc. ASME. PVP2014, Volume 4: Fluid-Structure Interaction, V004T04A018, July 20–24, 2014
Publisher: American Society of Mechanical Engineers
Paper No: PVP2014-28231
https://doi.org/10.1115/PVP2014-28231
View Paper titled, An Analysis of In-Flow Fluidelastic Instability Based on a Physical Insight
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Topics: Flow (Dynamics), Cylinders, Fluids, Vibration, Cross-flow, Dimensions, Fluid dynamics, Pressure sensors, Separation (Technology), Stability
Proceedings Papers

Study on In-Flow Fluidelastic Instability of Circular Cylinders Caused by Air Cross Flow (Triangular Arrays)

Tomomichi Nakamura, Yoshiaki Fujita, Takuya Sumitani, Shinichiro Hagiwara
Proc. ASME. PVP2013, Volume 4: Fluid-Structure Interaction, V004T04A025, July 14–18, 2013
Publisher: American Society of Mechanical Engineers
Paper No: PVP2013-97111
https://doi.org/10.1115/PVP2013-97111
View Paper titled, Study on In-Flow Fluidelastic Instability of Circular Cylinders Caused by Air Cross Flow (Triangular Arrays)
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Topics: Circular cylinders, Cross-flow, Flow (Dynamics), Cylinders, Air flow, Boilers, Nuclear power stations, Plates (structures), Water
Proceedings Papers

Study on In-Flow Vibration of Cylinder Arrays Caused by Cross Flow

Tomomichi Nakamura, Keisuke Nishimura, Yoshiaki Fujita, Chihiro Kohara
Proc. ASME. PVP2011, Volume 4: Fluid-Structure Interaction, 69-76, July 17–21, 2011
Publisher: American Society of Mechanical Engineers
Paper No: PVP2011-57068
https://doi.org/10.1115/PVP2011-57068
View Paper titled, Study on In-Flow Vibration of Cylinder Arrays Caused by Cross Flow
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Topics: Cross-flow, Cylinders, Flow (Dynamics), Vibration, Reynolds number, Vortex shedding, Cantilevers, Deflection, Drag (Fluid dynamics), Plates (structures)
Proceedings Papers

Development of Flexible Liquid Damper

Shinichi Kawabata, Weerachai Bunkhlong, Tomomichi Nakamura
Proc. ASME. FEDSM2010, ASME 2010 7th International Symposium on Fluid-Structure Interactions, Flow-Sound Interactions, and Flow-Induced Vibration and Noise: Volume 3, Parts A and B, 931-938, August 1–5, 2010
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM-ICNMM2010-30352
https://doi.org/10.1115/FEDSM-ICNMM2010-30352
View Paper titled, Development of Flexible Liquid Damper
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Topics: Dampers, Damping, Free vibrations, Vibration absorbers, Design, Energy dissipation, Energy transformation, Vibration control, Vibration control equipment, Viscosity
Proceedings Papers

A Study on Pairs of Stream-Wise Flexible Circular Cylinders in Cross Flow

Tomomichi Nakamura, Hironobu Kondo
Proc. ASME. FEDSM2010, ASME 2010 7th International Symposium on Fluid-Structure Interactions, Flow-Sound Interactions, and Flow-Induced Vibration and Noise: Volume 3, Parts A and B, 469-476, August 1–5, 2010
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM-ICNMM2010-30199
https://doi.org/10.1115/FEDSM-ICNMM2010-30199
View Paper titled, A Study on Pairs of Stream-Wise Flexible Circular Cylinders in Cross Flow
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Topics: Circular cylinders, Cross-flow, Cylinders, Flow (Dynamics), Oscillations, Accidents, Heat exchangers, Strain gages, Video cameras
Proceedings Papers

A Study on Stream-Wise Oscillation of Cylinder Arrays: Effect of Pitch Ratio

Tomomichi Nakamura, Takafumi Yoshikawa, Taku Yoshimura, Hironobu Kondo
Proc. ASME. PVP2009, Volume 4: Fluid-Structure Interaction, 165-172, July 26–30, 2009
Publisher: American Society of Mechanical Engineers
Paper No: PVP2009-77134
https://doi.org/10.1115/PVP2009-77134
View Paper titled, A Study on Stream-Wise Oscillation of Cylinder Arrays: Effect of Pitch Ratio
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Topics: Cylinders, Oscillations, Flow (Dynamics), Accidents, Cross-flow, Heat exchangers, Strain gages, Video cameras
Proceedings Papers

In-Flow Oscillation of Circular Cylinders in Cross-Flow

Tomomichi Nakamura, Hiroshi Haruguchi, Hiroyuki Nakajima, Toyohiro Sawada, Kozo Sugiyama
Proc. ASME. PVP2007, Volume 4: Fluid-Structure Interaction, 301-309, July 22–26, 2007
Publisher: American Society of Mechanical Engineers
Paper No: PVP2007-26103
https://doi.org/10.1115/PVP2007-26103
View Paper titled, In-Flow Oscillation of Circular Cylinders in Cross-Flow
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Topics: Circular cylinders, Cross-flow, Flow (Dynamics), Oscillations, Cylinders, Accidents, Strain gages, Video cameras, Vortex motion, Water tunnels
Proceedings Papers

Dynamics of a Cylinder Wake Under Controlled Excitation

Njuki W. Mureithi, Syuki Goda, Tomomichi Nakamura
Proc. ASME. PVP2003, Flow-Induced Vibration, 31-40, July 20–24, 2003
Publisher: American Society of Mechanical Engineers
Paper No: PVP2003-2072
https://doi.org/10.1115/PVP2003-2072
View Paper titled, Dynamics of a Cylinder Wake Under Controlled Excitation
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Topics: Cylinders, Dynamics (Mechanics), Excitation, Wakes, Damping, Reflection, Resonance, Steady state, Symmetry (Physics), Theoretical analysis
Proceedings Papers

Fluidelastic Instability of a U-Bend Tube Array Based on Correlated Unsteady Fluid Force in Two-Phase Flow

Tomomichi Nakamura, Kengo Shimamura, Toshihiko Iwase, Seishi Nishida
Proc. ASME. PVP2003, Flow-Induced Vibration, 9-16, July 20–24, 2003
Publisher: American Society of Mechanical Engineers
Paper No: PVP2003-2069
https://doi.org/10.1115/PVP2003-2069
View Paper titled, Fluidelastic Instability of a U-Bend Tube Array Based on Correlated Unsteady Fluid Force in Two-Phase Flow
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Topics: Fluids, Two-phase flow, Flow (Dynamics), Porosity
Proceedings Papers

Flow-Induced Vibration of a Large-Diameter Elbow Piping Based on Random Force Measurement Caused by Conveying Fluid: Visualization Test Results

Tomomichi Nakamura, Tadashi Shiraishi, Yoshihide Ishitani, Hisato Watakabe, Hiromi Sago, Tadashi Fujii, Akira Yamaguchi, Mamoru Konomura
Proc. ASME. PVP2005, Volume 4: Fluid Structure Interaction, 457-463, July 17–21, 2005
Publisher: American Society of Mechanical Engineers
Paper No: PVP2005-71277
https://doi.org/10.1115/PVP2005-71277
View Paper titled, Flow-Induced Vibration of a Large-Diameter Elbow Piping Based on Random Force Measurement Caused by Conveying Fluid: Visualization Test Results
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Topics: Flow-induced vibrations, Fluids, Force measurement, Pipes, Visualization, Flow (Dynamics), Fluctuations (Physics), Pressure, Design methodology, Flow separation
Proceedings Papers

Two-Phase Flow-Induced Vibration of Parallel Triangular Tube Arrays With Asymmetric Support Stiffness

Paul Feenstra, David S. Weaver, Tomomichi Nakamura
Proc. ASME. PVP2005, Volume 4: Fluid Structure Interaction, 381-391, July 17–21, 2005
Publisher: American Society of Mechanical Engineers
Paper No: PVP2005-71167
https://doi.org/10.1115/PVP2005-71167
View Paper titled, Two-Phase Flow-Induced Vibration of Parallel Triangular Tube Arrays With Asymmetric Support Stiffness
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Topics: Flow-induced vibrations, Stiffness, Stability, Cross-flow, Heat exchangers, Two-phase flow, Dynamics (Mechanics), Flow (Dynamics), Fluids, Nuclear reactor steam generators
Proceedings Papers

On Treatment of Nonlinear Damping for Occurrence of Damping-Controlled Fluid-Elastic Instability

Tomomichi Nakamura
Proc. ASME. PVP2006-ICPVT-11, Volume 9: 6th FSI, AE and FIV and N Symposium, 269-276, July 23–27, 2006
Publisher: American Society of Mechanical Engineers
Paper No: PVP2006-ICPVT-11-93772
https://doi.org/10.1115/PVP2006-ICPVT-11-93772
View Paper titled, On Treatment of Nonlinear Damping for Occurrence of Damping-Controlled Fluid-Elastic Instability
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Topics: Damping, Fluids, Vibration, Design, Flow (Dynamics), Fluid dynamics, Limit cycles
Proceedings Papers

Seismic Test and Analysis on a Neutron Reflector in APWR Reactor Internals: Fluid Damping and Added Mass Effect

Tomomichi Nakamura, Kazuo Hirota, Toshio Ichikawa, Satoshi Yonemoto, Minoru Murota, Toshihiko Tanaka, Masao Kimura
Proc. ASME. IMECE2002, 5th International Symposium on Fluid Structure Interaction, Aeroelasticity, and Flow Induced Vibration and Noise, 1087-1095, November 17–22, 2002
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2002-32203
https://doi.org/10.1115/IMECE2002-32203
View Paper titled, Seismic Test and Analysis on a Neutron Reflector in APWR Reactor Internals: Fluid Damping and Added Mass Effect
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Topics: Damping, Fluids, Neutrons, Cylinders, Water, Clearances (Engineering), Flow (Dynamics), Power stations, Pressurized water reactors, Shells
Proceedings Papers

Fluidelastic and Vortex Induced Vibration of a Finned Tube Array

Kazuo Hirota, Tomomichi Nakamura, Hirohiko Kikuchi, Kazunori Isozaki, Hirotaka Kawahara
Proc. ASME. IMECE2002, 5th International Symposium on Fluid Structure Interaction, Aeroelasticity, and Flow Induced Vibration and Noise, 729-735, November 17–22, 2002
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2002-32793
https://doi.org/10.1115/IMECE2002-32793
View Paper titled, Fluidelastic and Vortex Induced Vibration of a Finned Tube Array
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Topics: Vortex-induced vibration, Vortices, Heat exchangers, Vibration, Acoustics, Design, Flow-induced vibrations, Heat transfer, Resonance, Vortex shedding