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Javier Ortiz-Villafuerte
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Journal Articles

Pearson Correlation and Chi-Squared Methods Applied to the Sensitivity and Uncertainty Analysis of Hydrogen Generation During a Boiling Water Reactor STSBO Using MAAP5 and AZTUSIA

Javier Ortiz-Villafuerte, Heriberto Sánchez-Mora, César Queral, Melisa Reyes-Fuentes, Edmundo del- Valle-Gallegos
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research-Article
ASME J of Nuclear Rad Sci. July 2024, 10(3): 031701.
Paper No: NERS-22-1021
https://doi.org/10.1115/1.4055011
Published Online: April 22, 2024
View Article titled, Pearson Correlation and Chi-Squared Methods Applied to the Sensitivity and Uncertainty Analysis of Hydrogen Generation During a Boiling Water Reactor STSBO Using MAAP5 and AZTUSIA
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Topics: Boiling water reactors, Hydrogen, Oxidation, Simulation, Uncertainty analysis, Zirconium, Accidents, Sensitivity analysis, Temperature, Uncertainty
Proceedings Papers

Genetic Algorithm Tracking Technique for Particle Image Velocimetry and Comparison With Other Tracking Models

Churl Yoon, Yassin A. Hassan, Javier Ortiz-Villafuerte, William D. Schmidl
Proc. ASME. IMECE96, Heat Transfer: Volume 2 — Heat Transfer in Turbulent Flows; Fundamentals of Convection Heat Transfer; Fundamentals of Natural Convection in Laminar and Turbulent Flows; Natural Circulation, 381-387, November 17–22, 1996
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1996-0089
https://doi.org/10.1115/IMECE1996-0089
View Paper titled, Genetic Algorithm Tracking Technique for Particle Image Velocimetry and Comparison With Other Tracking Models
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Topics: Genetic algorithms, Particulate matter, Algorithms, Artificial neural networks, Computational fluid dynamics, Flow (Dynamics), Flow measurement, Fluid dynamics, Large eddy simulation, Laser Doppler anemometry
Proceedings Papers

Experimental Investigation of a Bubbly Flow by Means of an Image Analysis Technique

William D. Schmidl, Yassin A. Hassan, Javier Ortiz-Villafuerte
Proc. ASME. IMECE96, Heat Transfer: Volume 3 — Experimental Studies in Multiphase Flow; Multiphase Flow in Porous Media; Experimental Multiphase Flows and Numerical Simulation of Two-Phase Flows; Fundamental Aspects of Experimental Methods, 393-398, November 17–22, 1996
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1996-0133
https://doi.org/10.1115/IMECE1996-0133
View Paper titled, Experimental Investigation of a Bubbly Flow by Means of an Image Analysis Technique
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Topics: Bubbles, Bubbly flow, Dimensions, Flow (Dynamics), Flow measurement, Fluid dynamics, Laser Doppler anemometry, Particulate matter, Pipes, Stress
Proceedings Papers

Experimental Study of the Transient Turbulence Generated by a Bubble Using PIV

Javier Ortiz-Villafuerte, William D. Schmidl, Yassin A. Hassan
Proc. ASME. IMECE99, Heat Transfer: Volume 4, 297-304, November 14–19, 1999
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1999-1131
https://doi.org/10.1115/IMECE1999-1131
View Paper titled, Experimental Study of the Transient Turbulence Generated by a Bubble Using PIV
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Topics: Bubbles, Transients (Dynamics), Turbulence, Pipes, Flow (Dynamics), Particulate matter, Water
Proceedings Papers

Three-Dimensional Stereo Measurements in Bubbly Pipe Flows With Particle Tracking Velocimetry

Javier Ortiz-Villafuerte, Yassin A. Hassan, William D. Schmidl
Proc. ASME. IMECE2000, Fluids Engineering, 129-136, November 5–10, 2000
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2000-2060
https://doi.org/10.1115/IMECE2000-2060
View Paper titled, Three-Dimensional Stereo Measurements in Bubbly Pipe Flows With Particle Tracking Velocimetry
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Topics: Bubbles, Bubbly flow, Particulate matter, Pipe flow, Shades and shadows
Proceedings Papers

Prony’s Method for BWR Stability Analysis

Rogelio Castillo-Dura´n, Javier Ortiz-Villafuerte, Jose´ Ramo´n Rami´rez-Sa´nchez, Javier C. Palacios-Herna´ndez, Gabriel Calleros-Micheland, Carlos Filio-Lo´pez
Proc. ASME. ICONE17, Volume 3: Thermal Hydraulics; Current Advanced Reactors: Plant Design, Construction, Workforce and Public Acceptance, 595-598, July 12–16, 2009
Publisher: American Society of Mechanical Engineers
Paper No: ICONE17-75723
https://doi.org/10.1115/ICONE17-75723
View Paper titled, Prony’s Method for BWR Stability Analysis
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Topics: Boiling water reactors, Stability, Flow (Dynamics), Fuels, Power uprate, Transients (Dynamics), Coolants, Manufacturing, Boiling, Damping
Proceedings Papers

Application of the Relative Power Contribution Methodology to the Analysis of a Control System Failure

Rogelio Castillo-Dura´n, Javier Ortiz-Villafuerte, Rodolfo Amador-Garci´a, Edmundo del-Valle-Gallegos, Javier C. Palacios-Herna´ndez, Gabriel Calleros-Micheland
Proc. ASME. ICONE17, Volume 1: Plant Operations, Maintenance, Engineering, Modifications and Life Cycle; Component Reliability and Materials Issues; Next Generation Systems, 187-191, July 12–16, 2009
Publisher: American Society of Mechanical Engineers
Paper No: ICONE17-75866
https://doi.org/10.1115/ICONE17-75866
View Paper titled, Application of the Relative Power Contribution Methodology to the Analysis of a Control System Failure
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Topics: Control systems, Failure, Transients (Dynamics), Flow (Dynamics), Feedwater, Resonance, Signals, Boiling water reactors, Fourier transforms, Nuclear power stations
Proceedings Papers

Autoregressive Multivariate Analysis of BWR Bistable Flow

Rogelio Castillo-Dura´n, Javier Ortiz-Villafuerte, Raymundo Go´mez-Herrera, Gabriel Calleros-Micheland
Proc. ASME. ICONE16, Volume 1: Plant Operations, Maintenance, Installations and Life Cycle; Component Reliability and Materials Issues; Advanced Applications of Nuclear Technology; Codes, Standards, Licensing and Regulatory Issues, 253-259, May 11–15, 2008
Publisher: American Society of Mechanical Engineers
Paper No: ICONE16-48730
https://doi.org/10.1115/ICONE16-48730
View Paper titled, Autoregressive Multivariate Analysis of BWR Bistable Flow
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Topics: Boiling water reactors, Flow (Dynamics), Signals, Stress, Computer software, Dynamics (Mechanics), Failure, Fluctuations (Physics), Noise (Sound), Nuclear power stations
Proceedings Papers

Three-Dimensional Bubble Reconstruction in a Pipe Flow Using Shadow Technique

Javier Ortiz-Villafuerte, Yassin A. Hassan, Toru Furukawa
Proc. ASME. FEDSM2002, Volume 2: Symposia and General Papers, Parts A and B, 671-676, July 14–18, 2002
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2002-31436
https://doi.org/10.1115/FEDSM2002-31436
View Paper titled, Three-Dimensional Bubble Reconstruction in a Pipe Flow Using Shadow Technique
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Topics: Bubbles, Pipe flow, Shades and shadows, Algorithms, Bubbly flow, Particulate matter, Shapes, Statistical analysis, Turbulence
Proceedings Papers

Analysis of PIV Image Using Modal Wavelet Transform: Proposal of a Modal Wavelet Transform and Application to PIV Image Analysis

Teruyoshi Yamazaki, Masahiro Takei, Yassin A. Hassan, Javier Ortiz Villafuerte, Yoshifuru Saito, Kiyoshi Horii
Proc. ASME. FEDSM2003, Volume 2: Symposia, Parts A, B, and C, 255-260, July 6–10, 2003
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2003-45031
https://doi.org/10.1115/FEDSM2003-45031
View Paper titled, Analysis of PIV Image Using Modal Wavelet Transform: Proposal of a Modal Wavelet Transform and Application to PIV Image Analysis
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Topics: Resolution (Optics), Wavelet transforms
Proceedings Papers

Investigation of Microbubble Boundary Layer Using Particle Image Velocimetry

Javier Ortiz-Villafuerte, Yassin A. Hassan
Proc. ASME. FEDSM2003, Volume 1: Fora, Parts A, B, C, and D, 601-607, July 6–10, 2003
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2003-45639
https://doi.org/10.1115/FEDSM2003-45639
View Paper titled, Investigation of Microbubble Boundary Layer Using Particle Image Velocimetry
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Topics: Boundary layers, Particulate matter, Flow (Dynamics), Microbubbles, Polishing equipment, Vorticity, Boundary layer turbulence, Channel flow, Drag (Fluid dynamics), Drag reduction
Proceedings Papers

Three-Dimensional Reconstruction of Bubble Distribution in Two-Phase Flows With Metaball Technique

Toru Furukawa, Yassin A. Hassan, Javier Ortiz-Villafuerte
Proc. ASME. FEDSM2003, Volume 1: Fora, Parts A, B, C, and D, 2345-2350, July 6–10, 2003
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2003-45218
https://doi.org/10.1115/FEDSM2003-45218
View Paper titled, Three-Dimensional Reconstruction of Bubble Distribution in Two-Phase Flows With Metaball Technique
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Topics: Bubbles, Two-phase flow, Shades and shadows, Bubbly flow, Image processing, Shapes
Proceedings Papers

Jet Pump Noise Analysis for BWRs

Rogelio Castillo-Dura´n, Javier Ortiz-Villafuerte, He´ctor Herna´ndez-Lo´pez, Gustavo Alonso-Vargas, Gabriel Calleros-Micheland
Proc. ASME. ICONE12, 12th International Conference on Nuclear Engineering, Volume 3, 455-458, April 25–29, 2004
Publisher: American Society of Mechanical Engineers
Paper No: ICONE12-49136
https://doi.org/10.1115/ICONE12-49136
View Paper titled, Jet Pump Noise Analysis for BWRs
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Topics: Boiling water reactors, Jet pumps, Noise (Sound), Signals, Computer software, Computers, Nuclear power stations, Pressure drop, Algorithms, Fast Fourier transforms
Proceedings Papers

Projection of the Neutronic and Thermal Fuel Rod Behavior in a BWR

Hector Hernandez Lopez, Javier Ortiz Villafuerte
Proc. ASME. ICONE12, 12th International Conference on Nuclear Engineering, Volume 1, 635-639, April 25–29, 2004
Publisher: American Society of Mechanical Engineers
Paper No: ICONE12-49137
https://doi.org/10.1115/ICONE12-49137
View Paper titled, Projection of the Neutronic and Thermal Fuel Rod Behavior in a BWR
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Topics: Boiling water reactors, Fuel rods, Cycles, Fuels, Manufacturing, Density, Neutrons, Temperature, Cladding systems (Building), Coolants
Proceedings Papers

BWR Fuel Thermomechanical Evaluation for Preconditioning Procedures With FEMAXI-V

He´ctor Herna´ndez-Lo´pez, Marco A. Lucatero, Javier Ortiz-Villafuerte
Proc. ASME. ICONE14, Volume 1: Plant Operations, Maintenance and Life Cycle; Component Reliability and Materials Issues; Codes, Standards, Licensing and Regulatory Issues; Fuel Cycle and High Level Waste Management, 923-928, July 17–20, 2006
Publisher: American Society of Mechanical Engineers
Paper No: ICONE14-89506
https://doi.org/10.1115/ICONE14-89506
View Paper titled, BWR Fuel Thermomechanical Evaluation for Preconditioning Procedures With FEMAXI-V
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Topics: Boiling water reactors, Fuels, Thermomechanics, Failure, Cladding systems (Building), Computation, Cycles, Fuel rods, Manufacturing, Nuclear power stations
Proceedings Papers

BWR Signals Interdependence Analysis for Transient Events

Rogelio Castillo-Dura´n, Javier Ortiz-Villafuerte, Gabriel Calleros-Micheland
Proc. ASME. ICONE14, Volume 2: Thermal Hydraulics, 583-591, July 17–20, 2006
Publisher: American Society of Mechanical Engineers
Paper No: ICONE14-89542
https://doi.org/10.1115/ICONE14-89542
View Paper titled, BWR Signals Interdependence Analysis for Transient Events
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Topics: Boiling water reactors, Signals, Transients (Dynamics), Flow (Dynamics), Jet pumps, Noise (Sound), Nuclear power stations, Oscillations, Control equipment, Flow control valves
Proceedings Papers

Analysis of Two-Phase Air/Water Bubbly Flow Experiment

Donald R. Todd, Yassin A. Hassan, Javier Ortiz-Villafuerte
Proc. ASME. IMECE2002, Energy Conversion, 115-118, November 17–22, 2002
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2002-39689
https://doi.org/10.1115/IMECE2002-39689
View Paper titled, Analysis of Two-Phase Air/Water Bubbly Flow Experiment
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Topics: Bubbly flow, Water, Bubbles, Dimensions, Particulate matter, Shades and shadows, Shapes
Journal Articles

Investigation of Microbubble Boundary Layer Using Particle Tracking Velocimetry

Javier Ortiz-Villafuerte, Yassin A Hassan
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. May 2006, 128(3): 507–519.
https://doi.org/10.1115/1.2174062
Published Online: October 11, 2005
View Article titled, Investigation of Microbubble Boundary Layer Using Particle Tracking Velocimetry
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Topics: Boundary layers, Drag reduction, Flow (Dynamics), Microbubbles, Particulate matter, Drag (Fluid dynamics), Boundary layer turbulence, Porosity, Friction, Electrolysis