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Proceedings Papers

Experimental Study on Flow Rate Measurement by Using Cross-Correlation of Temperature Fluctuations

Xiaodong Sun, Zhenxi Dai, Yihao Weng, Jijun Xu
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, 193-199, November 17–22, 1996
Paper No: IMECE1996-0111
https://doi.org/10.1115/IMECE1996-0111
View Paper titled, Experimental Study on Flow Rate Measurement by Using Cross-Correlation of Temperature Fluctuations
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Topics: Flow (Dynamics), Fluctuations (Physics), Temperature, Design, Fluid dynamics, Fluids, Instrumentation, Laminar flow, Signals, Thermocouples
Journal Articles

Tree-Based Ensemble Learning Models for Wall Temperature Predictions in Post-Critical Heat Flux Flow Regimes at Subcooled and Low-Quality Conditions

Qingqing Liu, Yang Liu, Adam Burak, Joseph Kelly, Stephen Bajorek, Xiaodong Sun
Journal: ASME Journal of Heat and Mass Transfer
Article Type: Research-Article
J. Heat Mass Transfer. April 2023, 145(4): 041604.
Paper No: HT-22-1448
https://doi.org/10.1115/1.4056763
Published Online: February 8, 2023
View Article titled, Tree-Based Ensemble Learning Models for Wall Temperature Predictions in Post-Critical Heat Flux Flow Regimes at Subcooled and Low-Quality Conditions
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Topics: Critical heat flux, Errors, Film boiling, Flow (Dynamics), Heat flux, Subcooling, Wall temperature, Machine learning, Databases, Water
Proceedings Papers

Review of Thermal-Hydraulic Modeling Methods of Printed Circuit Steam Generators for Small Modular Reactors

So-Bin Cho, Chengqi Wang, Todd Allen, Xiaodong Sun
Proc. ASME. IMECE2022, Volume 8: Fluids Engineering; Heat Transfer and Thermal Engineering, V008T11A058, October 30–November 3, 2022
Paper No: IMECE2022-96578
https://doi.org/10.1115/IMECE2022-96578
View Paper titled, Review of Thermal-Hydraulic Modeling Methods of Printed Circuit Steam Generators for Small Modular Reactors
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Topics: Boilers, Circuits, Modeling, Printed circuit heat exchangers, Small modular reactors
Journal Articles

Void Fraction Measurement and Prediction of Two-Phase Boiling Flows in a Tubular Test Section

Qingqing Liu, Julio Diaz, Victor Petrov, Adam Burak, Annalisa Manera, Joseph Kelly, Xiaodong Sun
Journal: Journal of Nuclear Engineering and Radiation Science
Article Type: Research-Article
ASME J of Nuclear Rad Sci. April 2023, 9(2): 021403.
Paper No: NERS-21-1164
https://doi.org/10.1115/1.4055002
Published Online: September 2, 2022
View Article titled, Void Fraction Measurement and Prediction of Two-Phase Boiling Flows in a Tubular Test Section
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Topics: Boiling, Densitometers, Flow (Dynamics), Porosity, X-rays, Water, Flow visualization, Two-phase flow, Instrumentation, Wall temperature
Proceedings Papers

Void Fraction Measurement and Prediction of Two-Phase Boiling Flows in a Tubular Test Section

Qingqing Liu, Julio Diaz, Victor Petrov, Adam Burak, Annalisa Manera, Joseph Kelly, Xiaodong Sun
Proc. ASME. ICONE28, Volume 2: Nuclear Fuels, Research, and Fuel Cycle; Nuclear Codes and Standards; Thermal-Hydraulics, V002T07A001, August 4–6, 2021
Paper No: ICONE28-60406
https://doi.org/10.1115/ICONE28-60406
View Paper titled, Void Fraction Measurement and Prediction of Two-Phase Boiling Flows in a Tubular Test Section
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Topics: Boiling, Densitometers, Flow (Dynamics), Flow visualization, Porosity, X-rays
Proceedings Papers

Structural Integrity Assessment of a Unit Cell in a Laboratory-Scale Printed Circuit Heat Exchanger for Molten Salt Reactors With Supercritical CO 2 Power Cycle

Shuai Che, Sheng Zhang, Adam Burak, Xiaodong Sun
Proc. ASME. PVP2021, Volume 2: Computer Technology and Bolted Joints; Design and Analysis, V002T03A014, July 13–15, 2021
Paper No: PVP2021-60735
https://doi.org/10.1115/PVP2021-60735
View Paper titled, Structural Integrity Assessment of a Unit Cell in a Laboratory-Scale Printed Circuit Heat Exchanger for Molten Salt Reactors With Supercritical CO 2 Power Cycle
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Topics: Circuits, Computational fluid dynamics, Engineering simulation, Heat exchangers, Molten salt reactors, Simulation, Supercritical carbon dioxide, Thermodynamic power cycles, Stress, Heat transfer
Proceedings Papers

Numerical Study of Tritium Mitigation Strategies for Fluoride Salt-Cooled High-Temperature Reactors

Sheng Zhang, Xiao Wu, Xiaodong Sun
Proc. ASME. ICONE2020, Volume 3: Student Paper Competition; Thermal-Hydraulics; Verification and Validation, V003T12A025, August 4–5, 2020
Paper No: ICONE2020-16379
https://doi.org/10.1115/ICONE2020-16379
View Paper titled, Numerical Study of Tritium Mitigation Strategies for Fluoride Salt-Cooled High-Temperature Reactors
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Topics: Heat exchangers, High temperature, Design, Leakage, Light water reactors, Helium, Temperature, Algorithms, Coating processes, Coatings
Proceedings Papers

Transient Modeling of Advanced High Temperature Reactor (AHTR) in RELAP5/SCDAPSIM/MOD 4.0

Hsun-Chia Lin, Sheng Zhang, Shanbin Shi, Xiaodong Sun, Richard Christensen
Proc. ASME. ICONE26, Volume 9: Student Paper Competition, V009T16A060, July 22–26, 2018
Paper No: ICONE26-81874
https://doi.org/10.1115/ICONE26-81874
View Paper titled, Transient Modeling of Advanced High Temperature Reactor (AHTR) in RELAP5/SCDAPSIM/MOD 4.0
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Topics: High temperature, Modeling, Transients (Dynamics), Heat exchangers, Design, Heat, Heat transfer, Safety, Convection, Cooling systems
Proceedings Papers

Computational Simulation of Hydrogen Permeation Experiment

Xiao Wu, WaiLam Chan, Shanbin Shi, Xiaodong Sun, Richard Christensen
Proc. ASME. ICONE26, Volume 9: Student Paper Competition, V009T16A092, July 22–26, 2018
Paper No: ICONE26-82487
https://doi.org/10.1115/ICONE26-82487
View Paper titled, Computational Simulation of Hydrogen Permeation Experiment
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Topics: Hydrogen, Simulation, Cross-flow, Coolants, Simulation results, Design, Experimental design, Gas chromatography, Gas flow, Gases
Journal Articles

Study on Effects of Heat Loss and Channel Deformation on Thermal-Hydraulic Performance of Semicircular Straight Channel Printed Circuit Heat Exchangers

Su-Jong Yoon, James O'Brien, Piyush Sabharwall, Kevin Wegman, Xiaodong Sun
Journal: Journal of Thermal Science and Engineering Applications
Article Type: Research-Article
J. Thermal Sci. Eng. Appl. August 2018, 10(4): 041013.
Paper No: TSEA-17-1216
https://doi.org/10.1115/1.4039543
Published Online: May 7, 2018
View Article titled, Study on Effects of Heat Loss and Channel Deformation on Thermal-Hydraulic Performance of Semicircular Straight Channel Printed Circuit Heat Exchangers
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Topics: Circuits, Computational fluid dynamics, Heat exchangers, Heat losses, Fluids, Flow (Dynamics), Pressure, Deformation, Temperature
Proceedings Papers

Double-Wall Natural Draft Heat Exchanger Design for Tritium Control in FHRs

Sheng Zhang, Shanbin Shi, Xiao Wu, Xiaodong Sun, Richard Christensen
Proc. ASME. ICONE25, Volume 9: Student Paper Competition, V009T15A060, July 2–6, 2017
Paper No: ICONE25-67844
https://doi.org/10.1115/ICONE25-67844
View Paper titled, Double-Wall Natural Draft Heat Exchanger Design for Tritium Control in FHRs
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Topics: Design, Heat exchangers, Heat, High temperature, Mass transfer, Molten salt reactors, Computational fluid dynamics, Flow (Dynamics), Heat transfer, Light water reactors
Proceedings Papers

Review on Mechanical Design of Printed Circuit Heat Exchangers

Xiaoqin Zhang, Shanbin Shi, Richard N. Christensen, Xiaodong Sun
Proc. ASME. ICONE25, Volume 9: Student Paper Competition, V009T15A042, July 2–6, 2017
Paper No: ICONE25-67284
https://doi.org/10.1115/ICONE25-67284
View Paper titled, Review on Mechanical Design of Printed Circuit Heat Exchangers
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Topics: Circuits, Design engineering, Heat exchangers, Flow (Dynamics), Computer simulation, ASME Standards, Diffusion (Physics), Plates (structures), Strength (Materials), Airfoils
Proceedings Papers

Development of Five-Equation Drift Flux Model for Thermal Non-Equilibrium Phenomena in LWRs

Shanbin Shi, Xiaoqin Zhang, Xiaodong Sun, Hongbin Zhang
Proc. ASME. ICONE25, Volume 6: Thermal-Hydraulics, V006T08A118, July 2–6, 2017
Paper No: ICONE25-67981
https://doi.org/10.1115/ICONE25-67981
View Paper titled, Development of Five-Equation Drift Flux Model for Thermal Non-Equilibrium Phenomena in LWRs
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Topics: Equilibrium (Physics), Light water reactors, Constitutive equations, Energy budget (Physics), Thermal equilibrium, Eigenvalues, Energy transformation, Finite difference methods, Finite element methods, Kinematics
Proceedings Papers

Local Axial Relative Velocity Measurements in Bubbly, Cap-Bubbly, and Slug Flows

Benjamin Doup, Xinquan Zhou, Xiaodong Sun
Proc. ASME. IMECE2013, Volume 8C: Heat Transfer and Thermal Engineering, V08CT09A038, November 15–21, 2013
Paper No: IMECE2013-66581
https://doi.org/10.1115/IMECE2013-66581
View Paper titled, Local Axial Relative Velocity Measurements in Bubbly, Cap-Bubbly, and Slug Flows
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Topics: Slug flows, Velocity measurement, Particulate matter, Flow (Dynamics), Noise (Sound), Phase separation, Porosity, Bubbles, Electrical conductivity, Filtration
Proceedings Papers

Design of Fluidic Diode for a High-Temperature DRACS Test Facility

Qiuping Lv, Minghui Chen, Xiaodong Sun, Richard Christensen, Thomas Blue, Graydon Yoder, Dane Wilson, Piyush Sabharwall
Proc. ASME. ICONE21, Volume 4: Thermal Hydraulics, V004T09A123, July 29–August 2, 2013
Paper No: ICONE21-16902
https://doi.org/10.1115/ICONE21-16902
View Paper titled, Design of Fluidic Diode for a High-Temperature DRACS Test Facility
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Topics: Design, High temperature, Test facilities, Flow (Dynamics), Vortices, Nozzles, Accidents, Buoyancy, Computational fluid dynamics, Convection
Proceedings Papers

CFD Simulations of Cap-Bubbly Two-Phase Flows Using Two-Group Interfacial Area Transport Equation

Xia Wang, Xiaodong Sun
Proc. ASME. AJK2011, ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 1, Symposia – Parts A, B, C, and D, 1315-1330, July 24–29, 2011
Paper No: AJK2011-03024
https://doi.org/10.1115/AJK2011-03024
View Paper titled, CFD Simulations of Cap-Bubbly Two-Phase Flows Using Two-Group Interfacial Area Transport Equation
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Topics: Computational fluid dynamics, Engineering simulation, Simulation, Two-phase flow, Flow (Dynamics), Bubbles, Fluids, Turbulence, Condensation, Constitutive equations
Proceedings Papers

Hyperbolicity of One-Dimensional Two-Fluid Model With Interfacial Area Transport Equations

Xia Wang, Xiaodong Sun
Proc. ASME. FEDSM2009, Volume 1: Symposia, Parts A, B and C, 895-906, August 2–6, 2009
Paper No: FEDSM2009-78388
https://doi.org/10.1115/FEDSM2009-78388
View Paper titled, Hyperbolicity of One-Dimensional Two-Fluid Model With Interfacial Area Transport Equations
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Topics: Fluids, Momentum, Slug flows
Journal Articles

Interfacial Area Transport Equation and Implementation Into Two-Fluid Model

Mamoru Ishii, Seungjin Kim, Xiaodong Sun, Takashi Hibiki
Journal: Journal of Thermal Science and Engineering Applications
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. March 2009, 1(1): 011005.
https://doi.org/10.1115/1.3159525
Published Online: July 21, 2009
View Article titled, Interfacial Area Transport Equation and Implementation Into Two-Fluid Model
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Topics: Bubbles, Computational fluid dynamics, Flow (Dynamics), Fluids, Two-phase flow, Turbulence, Databases
Journal Articles

Investigation of High-Temperature Printed Circuit Heat Exchangers for Very High Temperature Reactors

Sai Mylavarapu, Xiaodong Sun, Justin Figley, Noah Needler, Richard Christensen
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research Papers
J. Eng. Gas Turbines Power. November 2009, 131(6): 062905.
https://doi.org/10.1115/1.3098425
Published Online: July 17, 2009
View Article titled, Investigation of High-Temperature Printed Circuit Heat Exchangers for Very High Temperature Reactors
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Topics: Alloys, Circuits, Design, Flow (Dynamics), Heat exchangers, Helium, High temperature, Test facilities, Temperature, Heat transfer
Proceedings Papers

Investigation of Printed Circuit Heat Exchangers for VHTRs

Sai K. Mylavarapu, Xiaodong Sun, Justin Figley, Noah J. Needler, Richard N. Christensen
Proc. ASME. HTR2008, Fourth International Topical Meeting on High Temperature Reactor Technology, Volume 1, 33-40, September 28–October 1, 2008
Paper No: HTR2008-58097
https://doi.org/10.1115/HTR2008-58097
View Paper titled, Investigation of Printed Circuit Heat Exchangers for VHTRs
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Topics: Alloys, Circuits, Computational fluid dynamics, Heat exchangers, High temperature materials, Very high temperature reactors