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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

Bifurcations and Chaos in the Response of a Rigid Rotor Supported by Eccentric Squeeze-Film Dampers

Jawaid Iqbal Inayat-Hussain, Hiroshi Kanki, Njuki W. Mureithi

Proc. ASME. IDETC-CIE2001, Volume 6C: 18th Biennial Conference on Mechanical Vibration and Noise, 2293-2302, September 9–12, 2001

Paper No: DETC2001/VIB-21573

DOI: https://doi.org/10.1115/DETC2001/VIB-21573

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Topics: Bifurcation, Chaos, Dampers, Rotors, Springs, Gravity (Force), Bearings, Blades, Erosion, Fluid films

Proceedings Papers

Identification of Two-Phase Flow Patterns Using Support Vector Classification

Ines Benito, Njuki W. Mureithi

Proc. ASME. PVP2017, Volume 4: Fluid-Structure Interaction, V004T04A027, July 16–20, 2017

Paper No: PVP2017-65179

DOI: https://doi.org/10.1115/PVP2017-65179

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Topics: Two-phase flow, Flow (Dynamics), Support vector machines, Boilers, Design, Flow measurement, Artificial intelligence, Dynamics (Mechanics), Flow visualization, Flow-induced vibrations

Journal Articles

Prediction of Streamwise Fluidelastic Instability of a Tube Array in Two-Phase Flow and Effect of Frequency Detuning

Stephen Olala, Njuki W. Mureithi

J. Pressure Vessel Technol. June 2017, 139(3): 031301.

Paper No: PVT-15-1220

DOI: https://doi.org/10.1115/1.4034467

Published Online: October 11, 2016

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Topics: Damping, Displacement, Drag (Fluid dynamics), Flow (Dynamics), Fluids, Stability, Stiffness, Two-phase flow, Eigenvalues, Water

Proceedings Papers

Streamwise Dynamics of a Tube Array Subjected to Two-Phase Cross-Flows

Stephen Olala, Njuki W. Mureithi

Proc. ASME. PVP2015, Volume 4: Fluid-Structure Interaction, V004T04A044, July 19–23, 2015

Paper No: PVP2015-45714

DOI: https://doi.org/10.1115/PVP2015-45714

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Topics: Cross-flow, Dynamics (Mechanics), Failure, Excitation, Accidents, Delays, Leakage, Nuclear reactor steam generators, Radioactive substances, Water

Proceedings Papers

Streamwise Fluidelastic Instability of Tube Arrays in Two-Phase Cross Flow

Stephen Olala, Njuki W. Mureithi

Proc. ASME. IMECE2014, Volume 4A: Dynamics, Vibration, and Control, V04AT04A079, November 14–20, 2014

Paper No: IMECE2014-39234

DOI: https://doi.org/10.1115/IMECE2014-39234

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Topics: Boilers, Cross-flow, Dynamic stability, Failure, Flow (Dynamics), Fluids, Force measurement, Modeling, Nuclear power stations, Reynolds number

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

Streamwise Fluidelastic Forces in Tube Arrays Subjected to Two-Phase Flows

Stephen Olala, Njuki W. Mureithi, Teguewinde Sawadogo, Michel J. Pettigrew

Proc. ASME. PVP2014, Volume 4: Fluid-Structure Interaction, V004T04A014, July 20–24, 2014

Paper No: PVP2014-28153

DOI: https://doi.org/10.1115/PVP2014-28153

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Topics: Two-phase flow, Drag (Fluid dynamics), Fluids, Damping, Cross-flow, Displacement, Flow (Dynamics), Oscillations, Porosity, Reynolds number

Proceedings Papers

Instability of a Simply-Supported Cylinder Subjected to Annular Flow Over a Finite-Length at its Mid-Length

Heung Seok Kang, Kang Hee Lee, Njuki W. Mureithi

Proc. ASME. PVP2013, Volume 4: Fluid-Structure Interaction, V004T04A055, July 14–18, 2013

Paper No: PVP2013-97880

DOI: https://doi.org/10.1115/PVP2013-97880

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Topics: Cylinders, Flow (Dynamics), Boundary-value problems, Fluids, Damping, Diffusers, Dynamics (Mechanics), Flutter (Aerodynamics), Geometry, Leakage flows

Journal Articles

Drag Coefficient and Two-Phase Friction Multiplier on Tube Bundles Subjected to Two-Phase Cross-Flow

W. G. Sim, Njuki W. Mureithi

J. Pressure Vessel Technol. February 2013, 135(1): 011302.

Paper No: PVT-11-1054

DOI: https://doi.org/10.1115/1.4007285

Published Online: November 28, 2012

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Topics: Cross-flow, Drag (Fluid dynamics), Flow (Dynamics), Friction, Porosity, Two-phase flow, Pressure drop

Journal Articles

Effect of Tip Clearance on the Prediction of Nonsynchronous Vibrations in Axial Compressors

Martin Drolet, Huu Duc Vo, Njuki W. Mureithi

J. Turbomach. January 2013, 135(1): 011023.

Paper No: TURBO-11-1140

DOI: https://doi.org/10.1115/1.4006401

Published Online: October 30, 2012

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Topics: Blades, Clearances (Engineering), Flow (Dynamics), Geometry, Compressors, Convection, Vibration, Temperature, Rotors, Chords (Trusses)

Proceedings Papers

Effect of Tip Clearance on the Prediction of Non-Synchronous Vibrations in Axial Compressors

Martin Drolet, Huu Duc Vo, Njuki W. Mureithi

Proc. ASME. GT2011, Volume 6: Structures and Dynamics, Parts A and B, 1203-1215, June 6–10, 2011

Paper No: GT2011-45392

DOI: https://doi.org/10.1115/GT2011-45392

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Topics: Clearances (Engineering), Compressors, Vibration, Blades, Operating temperature, Axial flow, Convection, Feedback, Flow (Dynamics), Gas turbines

Journal Articles

The Tip Clearance Flow Resonance Behind Axial Compressor Nonsynchronous Vibration

Jean Thomassin, Huu Duc Vo, Njuki W. Mureithi

J. Turbomach. October 2011, 133(4): 041030.

DOI: https://doi.org/10.1115/1.4001368

Published Online: April 27, 2011

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Topics: Blades, Clearances (Engineering), Compressors, Flow (Dynamics), Resonance, Vibration, Feedback, Rotors, Waves, Shear (Mechanics)

Proceedings Papers

Estimation of the Fluidelastic Instability Boundary for Steam-Generator Tubes Subjected to Two-Phase Flows

Njuki W. Mureithi, Teguewinde P. Sawadogo, Affoua Amenan C. Grie

Proc. ASME. ICONE18, 18th International Conference on Nuclear Engineering: Volume 5, 679-690, May 17–21, 2010

Paper No: ICONE18-30241

DOI: https://doi.org/10.1115/ICONE18-30241

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Topics: Boilers, Two-phase flow, Excitation, Fluids, Vibration, Wear, Force measurement, Stability, Stress, Water

Proceedings Papers

An Evaluation of a Two-Phase Damping Model on Tube Bundles Subjected to Two-Phase Cross Flow

W. G. Sim, Njuki W. Mureithi

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, 503-512, August 1–5, 2010

Paper No: FEDSM-ICNMM2010-30315

DOI: https://doi.org/10.1115/FEDSM-ICNMM2010-30315

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Topics: Cross-flow, Damping, Water, Drag (Fluid dynamics), Steam, Cylinders, Friction, Porosity, Pressure drop

Proceedings Papers

On the Feasibility of Modeling Two-Phase Flow-Induced Fluidelastic Instability in Tube Bundles

Njuki W. Mureithi

Paper No: FEDSM-ICNMM2010-30192

DOI: https://doi.org/10.1115/FEDSM-ICNMM2010-30192

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Topics: Flow (Dynamics), Modeling, Two-phase flow, Design, Dynamics (Mechanics), Fluids, Stability

Journal Articles

Special Section on Flow-Induced Vibrations

Njuki W. Mureithi

J. Pressure Vessel Technol. August 2010, 132(4): 040301.

DOI: https://doi.org/10.1115/1.3458812

Published Online: August 9, 2010

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Topics: Flow (Dynamics), Flow-induced vibrations, Vibration, Design engineering

Proceedings Papers

Numerical Investigation Into Non-Synchronous Vibrations of Axial Flow Compressors by the Resonant Tip Clearance Flow

Martin Drolet, Jean Thomassin, Huu Duc Vo, Njuki W. Mureithi

Proc. ASME. GT2009, Volume 6: Structures and Dynamics, Parts A and B, 487-498, June 8–12, 2009

Paper No: GT2009-59074

DOI: https://doi.org/10.1115/GT2009-59074

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Topics: Axial flow, Clearances (Engineering), Compressors, Flow (Dynamics), Resonance, Vibration, Computational fluid dynamics, Blades, Computation, Design

Proceedings Papers

Quasi-Static Forces and Stability Analysis in a Triangular Tube Bundle Subjected to Two-Phase Cross-Flow

Soroush Shahriary, Njuki W. Mureithi, Michel J. Pettigrew

Proc. ASME. PVP2007, Volume 4: Fluid-Structure Interaction, 245-252, July 22–26, 2007

Paper No: PVP2007-26017

DOI: https://doi.org/10.1115/PVP2007-26017

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Topics: Cross-flow, Stability, Flow (Dynamics), Two-phase flow, Fluids, Damping, Databases, Dynamic stability, Heat exchangers, Porosity

Journal citation

NARROW

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

Bifurcations and Chaos in the Response of a Rigid Rotor Supported by Eccentric Squeeze-Film Dampers

Identification of Two-Phase Flow Patterns Using Support Vector Classification

Prediction of Streamwise Fluidelastic Instability of a Tube Array in Two-Phase Flow and Effect of Frequency Detuning

Streamwise Dynamics of a Tube Array Subjected to Two-Phase Cross-Flows

Streamwise Fluidelastic Instability of Tube Arrays in Two-Phase Cross Flow

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

Streamwise Fluidelastic Forces in Tube Arrays Subjected to Two-Phase Flows

Instability of a Simply-Supported Cylinder Subjected to Annular Flow Over a Finite-Length at its Mid-Length

Drag Coefficient and Two-Phase Friction Multiplier on Tube Bundles Subjected to Two-Phase Cross-Flow

Effect of Tip Clearance on the Prediction of Nonsynchronous Vibrations in Axial Compressors

Effect of Tip Clearance on the Prediction of Non-Synchronous Vibrations in Axial Compressors

The Tip Clearance Flow Resonance Behind Axial Compressor Nonsynchronous Vibration

Estimation of the Fluidelastic Instability Boundary for Steam-Generator Tubes Subjected to Two-Phase Flows

An Evaluation of a Two-Phase Damping Model on Tube Bundles Subjected to Two-Phase Cross Flow

On the Feasibility of Modeling Two-Phase Flow-Induced Fluidelastic Instability in Tube Bundles

Special Section on Flow-Induced Vibrations

Numerical Investigation Into Non-Synchronous Vibrations of Axial Flow Compressors by the Resonant Tip Clearance Flow

Quasi-Static Forces and Stability Analysis in a Triangular Tube Bundle Subjected to Two-Phase Cross-Flow

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