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Jae-Jun Jeong
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Journal Articles

A Simplified Analytical Model for Estimation of the Initial Waterhammer Pressure and Force on a Circular Tube

Jong Chull Jo, Jae Jun Jeong, Frederick J. Moody
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Technical Briefs
J. Pressure Vessel Technol. June 2021, 143(3): 034501.
Paper No: PVT-20-1055
https://doi.org/10.1115/1.4048421
Published Online: October 7, 2020
View Article titled, A Simplified Analytical Model for Estimation of the Initial Waterhammer Pressure and Force on a Circular Tube
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Topics: Computational fluid dynamics, Pressure, Transients (Dynamics), Waves
Proceedings Papers

Effects of Initial Pressure and Length of a Broken Pipe on the Transient Hydraulic Loads Acting on Nuclear Steam Generator Tubes and Supports During Blowdown Following a Sudden Feedwater Pipe Break

Jong Chull Jo, Jae-Jun Jeong, Byong-Jo Yun
Proc. ASME. PVP2019, Volume 4: Fluid-Structure Interaction, V004T04A033, July 14–19, 2019
Publisher: American Society of Mechanical Engineers
Paper No: PVP2019-93132
https://doi.org/10.1115/PVP2019-93132
View Paper titled, Effects of Initial Pressure and Length of a Broken Pipe on the Transient Hydraulic Loads Acting on Nuclear Steam Generator Tubes and Supports During Blowdown Following a Sudden Feedwater Pipe Break
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Topics: Feedwater, Nuclear reactor steam generators, Pipes, Pressure, Stress, Transients (Dynamics), Pressurized water reactors, Boilers, Flow (Dynamics), Unsteady flow
Journal Articles

Numerical Analysis of Subcooled Water Flashing Flow From a Pressurized Water Reactor Steam Generator Through an Abruptly Broken Main Feed Water Pipe

Jong Chull Jo, Jae Jun Jeong, Byong Jo Yun, Jongkap Kim
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Technical Briefs
J. Pressure Vessel Technol. August 2019, 141(4): 044501.
Paper No: PVT-18-1164
https://doi.org/10.1115/1.4043297
Published Online: April 25, 2019
View Article titled, Numerical Analysis of Subcooled Water Flashing Flow From a Pressurized Water Reactor Steam Generator Through an Abruptly Broken Main Feed Water Pipe
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Topics: Feedwater, Flashing, Flow (Dynamics), Pipes, Pressure, Subcooling, Transients (Dynamics), Water, Numerical analysis, Computer simulation
Proceedings Papers

Prediction of Transient Hydrodynamic Loads on the PWR Steam Generator Tubes at a Main Feed Water Line Break Accident

Jong Chull Jo, Jae Jun Jeong, Byong Jo Yun
Proc. ASME. PVP2018, Volume 4: Fluid-Structure Interaction, V004T04A019, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: PVP2018-84152
https://doi.org/10.1115/PVP2018-84152
View Paper titled, Prediction of Transient Hydrodynamic Loads on the PWR Steam Generator Tubes at a Main Feed Water Line Break Accident
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Topics: Accidents, Boilers, Feedwater, Pressurized water reactors, Stress, Transients (Dynamics), Pipes, Computational fluid dynamics, Flow (Dynamics), Simulation
Proceedings Papers

Numerical Simulation of a Highly Compressed Saturated Water Flashing Flow

Jong Chull Jo, Jae Jun Jeong, Byong Jo Yun, Frederick J. Moody
Proc. ASME. PVP2017, Volume 4: Fluid-Structure Interaction, V004T04A001, July 16–20, 2017
Publisher: American Society of Mechanical Engineers
Paper No: PVP2017-65143
https://doi.org/10.1115/PVP2017-65143
View Paper titled, Numerical Simulation of a Highly Compressed Saturated Water Flashing Flow
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Topics: Computer simulation, Flashing, Flow (Dynamics), Water, Feedwater, Pipes, Accidents, Atmospheric pressure, Fluids, High pressure (Physics)
Proceedings Papers

Validation of a CFD Analysis Model for the Thermal-Hydraulic Response of PWR Steam Generator to a Steam Line Break

Jong Chull Jo, Bok Ki Min, Jae Jun Jeong
Proc. ASME. PVP2016, Volume 4: Fluid-Structure Interaction, V004T04A010, July 17–21, 2016
Publisher: American Society of Mechanical Engineers
Paper No: PVP2016-63048
https://doi.org/10.1115/PVP2016-63048
View Paper titled, Validation of a CFD Analysis Model for the Thermal-Hydraulic Response of PWR Steam Generator to a Steam Line Break
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Topics: Boilers, Computational fluid dynamics, Pressurized water reactors, Steam, Computer simulation, Transients (Dynamics), Flow (Dynamics), Heat transfer
Journal Articles

Evaluation of a Numerical Analysis Model for the Transient Response of Nuclear Steam Generator Secondary Side to a Sudden Steam Line Break

Jong Chull Jo, Bok Ki Min, Jae Jun Jeong
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. June 2017, 139(3): 031305.
Paper No: PVT-16-1118
https://doi.org/10.1115/1.4035130
Published Online: December 1, 2016
View Article titled, Evaluation of a Numerical Analysis Model for the Transient Response of Nuclear Steam Generator Secondary Side to a Sudden Steam Line Break
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Topics: Disks, Numerical analysis, Pressure, Reservoirs, Rupture, Steam, Transients (Dynamics), Vacuum, Vapors, Flow (Dynamics)
Journal Articles

Transient Hydraulic Response of a Pressurized Water Reactor Steam Generator to a Feedwater Line Break Using the Nonflashing Liquid Flow Model

Jong Chull Jo, Jae Jun Jeong, Frederick J. Moody
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. June 2017, 139(3): 031302.
Paper No: PVT-16-1052
https://doi.org/10.1115/1.4034468
Published Online: October 11, 2016
View Article titled, Transient Hydraulic Response of a Pressurized Water Reactor Steam Generator to a Feedwater Line Break Using the Nonflashing Liquid Flow Model
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Topics: Computational fluid dynamics, Feedwater, Flow (Dynamics), Nozzles, Pressure, Transients (Dynamics), Water, Pressurized water reactors, Pipes, Waves
Proceedings Papers

Porous Media Approach of a CFD Code to Analyze Thermal Hydraulics of PWR Components

Ik Kyu Park, Seung Jun Lee, Soo Hyoung Kim, Hyungrae Kim, Jae Ryong Lee, Han Young Yoon, Jae Jun Jeong
Proc. ASME. ICONE22, Volume 2A: Thermal Hydraulics, V02AT09A012, July 7–11, 2014
Publisher: American Society of Mechanical Engineers
Paper No: ICONE22-30098
https://doi.org/10.1115/ICONE22-30098
View Paper titled, Porous Media Approach of a CFD Code to Analyze Thermal Hydraulics of PWR Components
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Topics: Computational fluid dynamics, Porous materials, Pressurized water reactors, Thermal hydraulics, Computer simulation, Constitutive equations, Fluids
Proceedings Papers

Evaluation of Debris Transport Augmentation by Turbulence During the Recirculation Cooling Phase of a LOCA

Jong-Pil Park, Kyung Sik Choi, Ji Hwan Jeong, Jae Jun Jeong
Proc. ASME. ICONE20-POWER2012, Volume 5: Fusion Engineering; Student Paper Competition; Design Basis and Beyond Design Basis Events; Simple and Combined Cycles, 507-516, July 30–August 3, 2012
Publisher: American Society of Mechanical Engineers
Paper No: ICONE20-POWER2012-54997
https://doi.org/10.1115/ICONE20-POWER2012-54997
View Paper titled, Evaluation of Debris Transport Augmentation by Turbulence During the Recirculation Cooling Phase of a LOCA
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Topics: Cooling, Turbulence, Computational fluid dynamics, Algebra, Containment, Floods, Pressurized water reactors
Proceedings Papers

Development for CANDU-6 Moderator Temperature Prediction by Using Porous Media Approach

Jae Ryong Lee, Han Young Yoon, Hyoung Tae Kim, Jae Jun Jeong
Proc. ASME. ICONE20-POWER2012, Volume 3: Thermal-Hydraulics; Turbines, Generators, and Auxiliaries, 265-272, July 30–August 3, 2012
Publisher: American Society of Mechanical Engineers
Paper No: ICONE20-POWER2012-54366
https://doi.org/10.1115/ICONE20-POWER2012-54366
View Paper titled, Development for CANDU-6 Moderator Temperature Prediction by Using Porous Media Approach
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Topics: Porous materials, Temperature, Thermal hydraulics, Turbulence, Vessels, Axial flow, Computational geometry, Cylinders, Energy transformation, Flow (Dynamics)
Proceedings Papers

Numerical Investigation of Turbulent Flow in a T-Junction

Jungwoo Kim, Jae Jun Jeong
Proc. ASME. AJK2011, ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 1, Symposia – Parts A, B, C, and D, 3603-3609, July 24–29, 2011
Publisher: American Society of Mechanical Engineers
Paper No: AJK2011-18003
https://doi.org/10.1115/AJK2011-18003
View Paper titled, Numerical Investigation of Turbulent Flow in a T-Junction
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Topics: Junctions, Turbulence, Fatigue, Spectra (Spectroscopy), Large eddy simulation, Pipe flow, Simulation, Vortices, Wakes
Journal Articles

Computational Analysis of Downcomer Boiling Phenomena Using a Component Thermal Hydraulic Analysis Code, CUPID

Hyoung Kyu Cho, Byong Jo Yun, Ik Kyu Park, Jae Jun Jeong
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. May 2011, 133(5): 052914.
https://doi.org/10.1115/1.4002869
Published Online: December 21, 2010
View Article titled, Computational Analysis of Downcomer Boiling Phenomena Using a Component Thermal Hydraulic Analysis Code, CUPID
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Topics: Boiling, Bubbles, Flow (Dynamics), Two-phase flow, Porosity, Momentum, Pressure, Boilers, Topology, Heat transfer
Proceedings Papers

Local and Area-Averaged Flow Structure of Air-Water Two-Phase Flow in a Vertical Annulus

Basar Ozar, Jae Jun Jeong, Abhinav Dixit, Jose Enrique Julia´, Takashi Hibiki, Mamoru Ishii
Proc. ASME. ICONE16, Volume 3: Thermal Hydraulics; Instrumentation and Controls, 37-47, May 11–15, 2008
Publisher: American Society of Mechanical Engineers
Paper No: ICONE16-48067
https://doi.org/10.1115/ICONE16-48067
View Paper titled, Local and Area-Averaged Flow Structure of Air-Water Two-Phase Flow in a Vertical Annulus
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Topics: Annulus, Flow (Dynamics), Two-phase flow, Water, Turbulence, Bubbles, Geometry, Information Analysis Centers, Porosity, Slug flows
Journal Articles

Axial Development of Flow Regime in Adiabatic Upward Two-Phase Flow in a Vertical Annulus

J. Enrique Julia, Basar Ozar, Abhinav Dixit, Jae-Jun Jeong, Takashi Hibiki, Mamoru Ishii
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. February 2009, 131(2): 021302.
https://doi.org/10.1115/1.3059701
Published Online: January 12, 2009
View Article titled, Axial Development of Flow Regime in Adiabatic Upward Two-Phase Flow in a Vertical Annulus
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Topics: Flow (Dynamics), Annulus, Two-phase flow