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Proceedings Papers

Improved Estimation of Fluidelastic Instability Threshold for Tube Arrays in Two-Phase Flow: Approximate Theory Based on Energy Balance in a Separated Flow Model

Tomomichi Nakamura, Takaya Kusakabe, Hideo Nishikawa

Proc. ASME. IMECE97, 4th International Symposium on Fluid-Structure Interactions, Aeroelasticity, Flow-Induced Vibration and Noise: Volume II, 373-380, November 16–21, 1997

Paper No: IMECE1997-0132

DOI: https://doi.org/10.1115/IMECE1997-0132

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Topics: Energy budget (Physics), Flow (Dynamics), Two-phase flow, Design, Energy dissipation, Excitation, Fluid dynamics, Fluids, Stability, Vibration

Proceedings Papers

Flow-Induced Vibration of a Tube Array in the Inlet Region of a High Performance Steam Generator: Part 1 — Turbulence Induced Vibration

Toshihiko Iwase, Takeshi Sunami, Kazuhiko Matsutani, Tomomichi Nakamura, Njuki W. Mureithi, Ayao Tsuge, Yoshinori Watanabe, Ken-ichi Tomomatsu, Osamu Takaba

Proc. ASME. IMECE97, 4th International Symposium on Fluid-Structure Interactions, Aeroelasticity, Flow-Induced Vibration and Noise: Volume II, 301-308, November 16–21, 1997

Paper No: IMECE1997-0124

DOI: https://doi.org/10.1115/IMECE1997-0124

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Topics: Boilers, Flow-induced vibrations, Turbulence, Vibration, Design, Nuclear power stations, Pressurized water reactors, Random vibration, Stability, Stress

Proceedings Papers

Flow-Induced Vibration of a Tube Array in the Inlet Region of a High Performance Steam Generator: Part 2 — Unstable Vibration and Chaos

Toshihiko Iwase, Takeshi Sunami, Kazuhiko Matsutani, Tomomichi Nakamura, Njuki W. Mureithi, Ayao Tsuge, Jiro Kasahara, Ken-ichi Tomomatsu, Osamu Takaba

Proc. ASME. IMECE97, 4th International Symposium on Fluid-Structure Interactions, Aeroelasticity, Flow-Induced Vibration and Noise: Volume I, 265-272, November 16–21, 1997

Paper No: IMECE1997-0067

DOI: https://doi.org/10.1115/IMECE1997-0067

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Topics: Boilers, Chaos, Flow-induced vibrations, Vibration, Boundary-value problems, Coolants, Dimensional analysis, Entrance region, Flow (Dynamics), Fluid dynamics

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

Paper No: PVP2017-65162

DOI: https://doi.org/10.1115/PVP2017-65162

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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

Paper No: PVP2015-45091

DOI: https://doi.org/10.1115/PVP2015-45091

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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

Paper No: PVP2014-28750

DOI: https://doi.org/10.1115/PVP2014-28750

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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

Paper No: PVP2014-28244

DOI: https://doi.org/10.1115/PVP2014-28244

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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

Paper No: PVP2014-28389

DOI: https://doi.org/10.1115/PVP2014-28389

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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

Paper No: PVP2014-28476

DOI: https://doi.org/10.1115/PVP2014-28476

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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

Paper No: PVP2014-28231

DOI: https://doi.org/10.1115/PVP2014-28231

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Topics: Flow (Dynamics), Cylinders, Fluids, Vibration, Cross-flow, Dimensions, Fluid dynamics, Pressure sensors, Separation (Technology), Stability

Journal Articles

Study on In-Flow Fluidelastic Instability of Triangular Tube Arrays Subjected to Air Cross Flow

Tomomichi Nakamura, Yoshiaki Fujita, Takuya Sumitani

J. Pressure Vessel Technol. October 2014, 136(5): 051302.

Paper No: PVT-13-1175

DOI: https://doi.org/10.1115/1.4027618

Published Online: August 19, 2014

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Topics: Cylinders, Flow (Dynamics), Inflow, Vibration

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

Paper No: PVP2013-97111

DOI: https://doi.org/10.1115/PVP2013-97111

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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

Paper No: PVP2011-57068

DOI: https://doi.org/10.1115/PVP2011-57068

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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

Paper No: FEDSM-ICNMM2010-30352

DOI: https://doi.org/10.1115/FEDSM-ICNMM2010-30352

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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

Paper No: FEDSM-ICNMM2010-30199

DOI: https://doi.org/10.1115/FEDSM-ICNMM2010-30199

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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

Paper No: PVP2009-77134

DOI: https://doi.org/10.1115/PVP2009-77134

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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

Paper No: PVP2007-26103

DOI: https://doi.org/10.1115/PVP2007-26103

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Topics: Circular cylinders, Cross-flow, Flow (Dynamics), Oscillations, Cylinders, Accidents, Strain gages, Video cameras, Vortex motion, Water tunnels

Journal Articles

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

Paul Feenstra, David S. Weaver, Tomomichi Nakamura

J. Pressure Vessel Technol. June 2009, 131(3): 031301.

DOI: https://doi.org/10.1115/1.3062964

Published Online: February 4, 2009

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Topics: Flow (Dynamics), Two-phase flow, Fluids, Stiffness, Porosity, Stability, Vibration, Cross-flow, Flow-induced vibrations

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

Paper No: PVP2003-2072

DOI: https://doi.org/10.1115/PVP2003-2072

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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

Paper No: PVP2003-2069

DOI: https://doi.org/10.1115/PVP2003-2069

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Topics: Fluids, Two-phase flow, Flow (Dynamics), Porosity

Journal citation

NARROW

Improved Estimation of Fluidelastic Instability Threshold for Tube Arrays in Two-Phase Flow: Approximate Theory Based on Energy Balance in a Separated Flow Model

Flow-Induced Vibration of a Tube Array in the Inlet Region of a High Performance Steam Generator: Part 1 — Turbulence Induced Vibration

Flow-Induced Vibration of a Tube Array in the Inlet Region of a High Performance Steam Generator: Part 2 — Unstable Vibration and Chaos

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

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

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

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

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

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

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

Study on In-Flow Fluidelastic Instability of Triangular Tube Arrays Subjected to Air Cross Flow

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

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

Development of Flexible Liquid Damper

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

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

In-Flow Oscillation of Circular Cylinders in Cross-Flow

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

Dynamics of a Cylinder Wake Under Controlled Excitation

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

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