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Proceedings Papers

Large Eddy Simulation of Tube Bundle Geometries Using the Dynamic Subgrid Scale Model

Hagop R. Barsamian, Yassin A. Hassan
Proc. ASME. IMECE96, Thermal Science of Advanced Steam Generators/Heat Exchangers, 49-57, November 17–22, 1996
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1996-0765
https://doi.org/10.1115/IMECE1996-0765
View Paper titled, Large Eddy Simulation of Tube Bundle Geometries Using the Dynamic Subgrid Scale Model
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Topics: Large eddy simulation, Simulation, Filters, Flow visualization, Turbulence, Boundary-value problems, Computer software, Eddies (Fluid dynamics), Filtration, Flow (Dynamics)
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

Data Transfer From BETHSY 9.1B Experiment to Real NPP

Stojan Petelin, Borut Mavko, Igor Ravnikar, Yassin A. Hassan
Proc. ASME. IMECE97, Nuclear Engineering, 71-80, November 16–21, 1997
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1997-0609
https://doi.org/10.1115/IMECE1997-0609
View Paper titled, Data Transfer From BETHSY 9.1B Experiment to Real NPP
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Topics: Nuclear power stations, Transients (Dynamics), Cooling systems, Engineering standards, Heat, Simulation, Test facilities
Proceedings Papers

Analysis of VVER1000/320 Operational Transient With CATHARE Computer Program

Andrey A. Troshko, Yassin A. Hassan
Proc. ASME. IMECE98, Nuclear Engineering, 49-56, November 15–20, 1998
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1998-1134
https://doi.org/10.1115/IMECE1998-1134
View Paper titled, Analysis of VVER1000/320 Operational Transient With CATHARE Computer Program
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Topics: Computer software, Transients (Dynamics), Pumps, Simulation
Proceedings Papers

Boundary Layer Two-Phase Bubbly Flow Equation

Andrey A. Troshko, Yassin A. Hassan
Proc. ASME. IMECE98, Nuclear Engineering, 23-29, November 15–20, 1998
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1998-1130
https://doi.org/10.1115/IMECE1998-1130
View Paper titled, Boundary Layer Two-Phase Bubbly Flow Equation
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Topics: Boundary layers, Bubbly flow, Turbulence, Stress, Bubbles, Boundary layer turbulence, Boundary-value problems, Eddies (Fluid dynamics), Flow (Dynamics), Viscosity
Proceedings Papers

Simulation of a Subcooled Boiling Experiment Using RELAP5/MOD3.2 Computer Code

Sridhar Hari, Yassin A. Hassan, Jiyuan Y. Tu
Proc. ASME. IMECE98, Nuclear Engineering, 45-47, November 15–20, 1998
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1998-1133
https://doi.org/10.1115/IMECE1998-1133
View Paper titled, Simulation of a Subcooled Boiling Experiment Using RELAP5/MOD3.2 Computer Code
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Topics: Boiling, Computers, Simulation, Subcooling, Computer software, Flow (Dynamics), Heat transfer, Porosity, Pressure, Safety
Journal Articles

Experimental Investigation of the Subchannel Axial Pressure Drop and Hydraulic Characteristics of a 61-Pin Wire Wrapped Rod Bundle

Craig Menezes, Rodolfo Vaghetto, Yassin A. Hassan
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. May 2022, 144(5): 051403.
Paper No: FE-21-1287
https://doi.org/10.1115/1.4052745
Published Online: January 12, 2022
View Article titled, Experimental Investigation of the Subchannel Axial Pressure Drop and Hydraulic Characteristics of a 61-Pin Wire Wrapped Rod Bundle
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Topics: Corners (Structural elements), Flow (Dynamics), Friction, Fuel rods, Pressure drop, Rods, Turbulence, Wire, Instrumentation, Reynolds number
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

Comparison of Pebble Bed Velocity Profiles Between High-Fidelity and Intermediate-Fidelity Codes

David Reger, Elia Merzari, Paolo Balestra, Sebastian Schunert, Yassin A. Hassan
Proc. ASME. ICONE28, Volume 4: Student Paper Competition, V004T14A086, August 4–6, 2021
Publisher: American Society of Mechanical Engineers
Paper No: ICONE28-65759
https://doi.org/10.1115/ICONE28-65759
View Paper titled, Comparison of Pebble Bed Velocity Profiles Between High-Fidelity and Intermediate-Fidelity Codes
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Topics: Accidents, Computational fluid dynamics, Cooling, Drag (Fluid dynamics), Flow (Dynamics), Fluids, Graphics processing units, High temperature, Modeling, Porosity
Journal Articles

Local Truncation Error-Informed Code Verification

Aaron M. Krueger, Vincent A. Mousseau, Yassin A. Hassan
Journal: Journal of Verification, Validation and Uncertainty Quantification
Publisher: ASME
Article Type: Research-Article
J. Verif. Valid. Uncert. December 2020, 5(4): 041005.
Paper No: VVUQ-20-1012
https://doi.org/10.1115/1.4049230
Published Online: December 17, 2020
View Article titled, Local Truncation Error-Informed Code Verification
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Topics: Errors
Proceedings Papers

Turbulent Flow Measurements and Visualizations of Supersonic Jets Impinging on a Flat Plate and an Inclined Plate

Thien D. Nguyen, Blake Maher, Yassin A. Hassan
Proc. ASME. FEDSM2020, Volume 2: Fluid Mechanics; Multiphase Flows, V002T03A023, July 13–15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2020-20312
https://doi.org/10.1115/FEDSM2020-20312
View Paper titled, Turbulent Flow Measurements and Visualizations of Supersonic Jets Impinging on a Flat Plate and an Inclined Plate
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Topics: Flat plates, Jets, Turbulence, Visualization, Flow (Dynamics), Nozzles, Kinetic energy, Air jets, Heat transfer, High pressure (Physics)
Journal Articles

Direct Numerical Simulation of the Flow Through a Randomly Packed Pebble Bed

Mustafa Alper Yildiz, Gerrit Botha, Haomin Yuan, Elia Merzari, Richard C. Kurwitz, Yassin A. Hassan
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. April 2020, 142(4): 041405.
Paper No: FE-19-1553
https://doi.org/10.1115/1.4045439
Published Online: January 24, 2020
View Article titled, Direct Numerical Simulation of the Flow Through a Randomly Packed Pebble Bed
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Topics: Anisotropy, Flow (Dynamics), Porosity, Stress, Turbulence, Reynolds number, Computer simulation, Statistics, Pressure drop
Proceedings Papers

Experimental Study of Surrogate Particle Transport and Deposition in a Square Channel Using Particle Tracking Technique

Daniel Orea, Thien Nguyen, Rodolfo Vaghetto, N. K. Anand, Yassin A. Hassan, Piyush Sabharwall
Proc. ASME. IMECE2019, Volume 6: Energy, V006T06A085, November 11–14, 2019
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2019-11811
https://doi.org/10.1115/IMECE2019-11811
View Paper titled, Experimental Study of Surrogate Particle Transport and Deposition in a Square Channel Using Particle Tracking Technique
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Topics: Particulate matter
Proceedings Papers

Validation and Development of DNS Database for Low Prandtl Numbers in Rod Bundle

Jonathan K. Lai, Elia Merzari, Yassin A. Hassan, Aleksandr Obabko
Proc. ASME. AJKFluids2019, Volume 2: Computational Fluid Dynamics, V002T02A057, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-5036
https://doi.org/10.1115/AJKFluids2019-5036
View Paper titled, Validation and Development of DNS Database for Low Prandtl Numbers in Rod Bundle
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Topics: Databases, Fuel rods, Heat transfer, Flow (Dynamics), Liquid metals, Prandtl number, Thermal diffusivity, Channel flow, Computer simulation, Fluids
Proceedings Papers

Rigorous Code Verification: An Additional Tool to Use With the Method of Manufactured Solutions

Aaron M. Krueger, Vincent A. Mousseau, Yassin A. Hassan
Proc. ASME. VVS2019, ASME 2019 Verification and Validation Symposium, V001T04A002, May 15–17, 2019
Publisher: American Society of Mechanical Engineers
Paper No: VVS2019-5166
https://doi.org/10.1115/VVS2019-5166
View Paper titled, Rigorous Code Verification: An Additional Tool to Use With the Method of Manufactured Solutions
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Topics: Errors, Partial differential equations
Journal Articles

Direct Numerical Simulation of the Flow in a Bare Rod Bundle at Different Prandtl Numbers

Jonathan K. Lai, Giacomo Busco, Elia Merzari, Yassin A. Hassan
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. December 2019, 141(12): 121702.
Paper No: HT-19-1180
https://doi.org/10.1115/1.4044832
Published Online: October 8, 2019
View Article titled, Direct Numerical Simulation of the Flow in a Bare Rod Bundle at Different Prandtl Numbers
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Topics: Flow (Dynamics), Fuel rods, Prandtl number, Temperature, Turbulence, Simulation, Fluctuations (Physics), Kinetic energy, Reynolds number, Heat transfer
Proceedings Papers

Time-Resolved Velocity Measurements in a Matched Refractive Index Facility of Randomly Packed Spheres

Ethan Kappes, Mateusz Marciniak, Andrew Mills, Robert Muyshondt, Stephen King, Thien D. Nguyen, Yassin A. Hassan, Victor Ugaz
Proc. ASME. ICONE26, Volume 6B: Thermal-Hydraulics and Safety Analyses, V06BT08A058, July 22–26, 2018
Publisher: American Society of Mechanical Engineers
Paper No: ICONE26-82425
https://doi.org/10.1115/ICONE26-82425
View Paper titled, Time-Resolved Velocity Measurements in a Matched Refractive Index Facility of Randomly Packed Spheres
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Topics: Refractive index, Velocity measurement, Flow (Dynamics), Reynolds number, Stress, Nuclear power stations, Particulate matter, Resolution (Optics), Space, Statistics
Proceedings Papers

The Influence of Pebble Placement on the Wake of Tandem Pebbles in a Free Stream

Gerrit Botha, Yassin A. Hassan, Richard C. Kurwitz, Elia Merzari
Proc. ASME. ICONE26, Volume 9: Student Paper Competition, V009T16A061, July 22–26, 2018
Publisher: American Society of Mechanical Engineers
Paper No: ICONE26-81884
https://doi.org/10.1115/ICONE26-81884
View Paper titled, The Influence of Pebble Placement on the Wake of Tandem Pebbles in a Free Stream
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Topics: Computer simulation, Flow (Dynamics), Fluid dynamics, Kinetic energy, Reynolds number, Statistics, Turbulence, Wakes