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Proceedings Papers

Drag Reduction Through Boundary Layer Analysis on Flow Over Bi-Textured Thin Plates

K. Nandakumar Chandran, Yu Sin Jeong, Ranjith S. Kumar, June Kee Min, Man Yeong Ha
Proc. ASME. FEDSM2024, Volume 1: Fluid Applications and Systems (FASTC); Fluid Measurement and Instrumentation (FMITC); Fluid Mechanics (FMTC); Multiphase Flow (MFTC), V001T03A022, July 15–17, 2024
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2024-132010
https://doi.org/10.1115/FEDSM2024-132010
View Paper titled, Drag Reduction Through Boundary Layer Analysis on Flow Over Bi-Textured Thin Plates
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Topics: Boundary layers, Drag reduction, Flow (Dynamics), Plates (structures), Shear (Mechanics), Skin friction (Fluid dynamics), Drag (Fluid dynamics), Reynolds number, Anisotropy, Biomimetics
Proceedings Papers

Heat Transfer Enhancement for Gas Turbine Blade Internal Cooling With Lattice Structured Rib

Sangmin Kim, Yong Gap Park, Sang Youl Yoon, Man Yeong Ha, June Kee Min
Proc. ASME. GT2024, Volume 8: Heat Transfer: Internal Air Systems; Heat Transfer: Internal Cooling; Industrial and Cogeneration, V008T15A007, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122753
https://doi.org/10.1115/GT2024-122753
View Paper titled, Heat Transfer Enhancement for Gas Turbine Blade Internal Cooling With Lattice Structured Rib
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Topics: Blades, Cooling, Gas turbines, Heat transfer, Turbine blades
Journal Articles

Experimental and Numerical Analysis of the Transient Behavior of the Oil Decongealing Process in an Aero Fuel-Cooled Oil Cooler Under Low-Temperature Conditions

Foster Kwame Kholi, Jaehyun Park, Kyeongho Lee, Man Yeong Ha, Michael Klingsporn, Jason Chetwynd-Chatwin, Sang Youl Yoon, June Kee Min
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2021, 143(9): 091027.
Paper No: GTP-20-1827
https://doi.org/10.1115/1.4051102
Published Online: August 11, 2021
View Article titled, Experimental and Numerical Analysis of the Transient Behavior of the Oil Decongealing Process in an Aero Fuel-Cooled Oil Cooler Under Low-Temperature Conditions
Open the PDF for Experimental and Numerical Analysis of the Transient Behavior of the Oil Decongealing Process in an Aero Fuel-Cooled Oil Cooler Under Low-Temperature Conditions in another window
Topics: Flow (Dynamics), Fuels, Pressure, Temperature, Low temperature, Heat, Boundary-value problems, Transients (Dynamics), Valves
Proceedings Papers

Numerical Analysis of the Phase-Change Heat Transfer Inside a Pulsating Heat Pipe With Overcritical Number of Turns

Alberto Mucci, Foster Kwame Kholi, Man Yeong Ha, Jason Chetwynd-Chatwin, June Kee Min
Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT13A020, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15332
https://doi.org/10.1115/GT2020-15332
View Paper titled, Numerical Analysis of the Phase-Change Heat Transfer Inside a Pulsating Heat Pipe With Overcritical Number of Turns
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Topics: Computational fluid dynamics, Heat pipes, Heat transfer, Numerical analysis
Journal Articles

Transient Performance Analysis of an Aero Gas Turbine Cooled Cooling Air Heat Exchanger

Alberto Mucci, Foster Kwame Kholi, Man Yeong Ha, June Kee Min, Peeter Beecroft, Jason Chetwynd-Chatwin
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2020, 142(11): 111014.
Paper No: GTP-20-1227
https://doi.org/10.1115/1.4048565
Published Online: October 29, 2020
View Article titled, Transient Performance Analysis of an Aero Gas Turbine Cooled Cooling Air Heat Exchanger
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Topics: Computational fluid dynamics, Cooling, Flow (Dynamics), Heat exchangers, Pressure, Temperature, Transients (Dynamics), Gas turbines, Computer simulation, Flight
Proceedings Papers

Numerical Study for Effect of Staggered Wire Electrodes in a Electrostatic Precipitator

Hoyeon Choi, Yong Gap Park, Man Yeong Ha
Proc. ASME. AJKFluids2019, Volume 1: Fluid Mechanics, V001T01A057, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-4995
https://doi.org/10.1115/AJKFluids2019-4995
View Paper titled, Numerical Study for Effect of Staggered Wire Electrodes in a Electrostatic Precipitator
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Topics: Computational fluid dynamics, Corona discharge, Electrodes, Wire, Particulate matter, Electric fields, Current density, Diffusion (Physics), Fluid dynamics, Computer simulation
Proceedings Papers

Transient Regime Simulation From Idle to Maximum Take-Off Flight Conditions of Cooled Cooling Air Heat Exchanger for an Aero Gas Turbine Heat Management

Alberto Mucci, Foster Kwame Kholi, Man Yeong Ha, June Kee Min, Peter A. Beecroft, Sang Youl Yoon, Won Geun Yun, Thierry Sibilli
Proc. ASME. GT2019, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Honors and Awards, V001T01A011, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90701
https://doi.org/10.1115/GT2019-90701
View Paper titled, Transient Regime Simulation From Idle to Maximum Take-Off Flight Conditions of Cooled Cooling Air Heat Exchanger for an Aero Gas Turbine Heat Management
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Topics: Cooling, Flight, Gas turbines, Heat, Heat exchangers, Simulation, Transients (Dynamics), Temperature, Computational fluid dynamics, Flow (Dynamics)
Journal Articles

Characteristics of Rayleigh–Bénard Convection in a Rectangular Channel With an Inner Hot Circular Cylinder

Changyoung Choi, Man Yeong Ha, Hyun Sik Yoon
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. November 2015, 137(11): 112501.
Paper No: HT-14-1467
https://doi.org/10.1115/1.4030632
Published Online: June 9, 2015
View Article titled, Characteristics of Rayleigh–Bénard Convection in a Rectangular Channel With an Inner Hot Circular Cylinder
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Topics: Circular cylinders, Convection, Cylinders, Flow (Dynamics), Rayleigh number, Natural convection, Boundary layers, Heat transfer
Proceedings Papers

Numerical Study on the Flow Past a Twisted Elliptic Cylinder With Subcritical Reynolds Number

Min Ho Kim, Jin Woog Lee, Hyun Sik Yoon, Man Yeong Ha
Proc. ASME. AJK2011, ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 1, Symposia – Parts A, B, C, and D, 3885-3893, July 24–29, 2011
Publisher: American Society of Mechanical Engineers
Paper No: AJK2011-25006
https://doi.org/10.1115/AJK2011-25006
View Paper titled, Numerical Study on the Flow Past a Twisted Elliptic Cylinder With Subcritical Reynolds Number
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Topics: Cylinders, Flow (Dynamics), Reynolds number, Drag (Fluid dynamics), Drag reduction, Finite volume methods, Fluid dynamics, Large eddy simulation, Numerical analysis, Swirling flow
Proceedings Papers

CFD and Thermo-Mechanical Analysis for Heat Exchanger Used in Aero Engine

Ho Seung Jeong, Jong Rae Cho, Lae Sung Kim, Man Yeong Ha, Ji Hwan Jeong, Kui Soon Kim, Torbjorn Lindquist, Philip Walsh
Proc. ASME. GT2008, Volume 5: Structures and Dynamics, Parts A and B, 177-184, June 9–13, 2008
Publisher: American Society of Mechanical Engineers
Paper No: GT2008-50447
https://doi.org/10.1115/GT2008-50447
View Paper titled, CFD and Thermo-Mechanical Analysis for Heat Exchanger Used in Aero Engine
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Topics: Aircraft engines, Computational fluid dynamics, Heat exchangers, Thermomechanics, Temperature, Alloys, Pressure, Design, Fatigue analysis, Finite element analysis
Proceedings Papers

Performance Analysis and Optimal Design of Heat Exchangers Used in a High Temperature and High Pressure System

Byoung Ik Choi, Kui Soon Kim, Man Yeong Ha, Ji Hwan Jeong, Jong Rae Cho, Torbjorn Lindquist, Philip P. Walsh
Proc. ASME. GT2008, Volume 4: Heat Transfer, Parts A and B, 501-507, June 9–13, 2008
Publisher: American Society of Mechanical Engineers
Paper No: GT2008-50511
https://doi.org/10.1115/GT2008-50511
View Paper titled, Performance Analysis and Optimal Design of Heat Exchangers Used in a High Temperature and High Pressure System
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Topics: Design, Heat exchangers, High temperature, High-pressure systems, Pressure, Weight (Mass), Cross-flow, Dimensions, Flow (Dynamics), Genetic algorithms
Proceedings Papers

Characteristics of the Water Meniscus at AFM Tip for Various Surface Energy

Hojin Choi, Jung Yun Kim, Seungdo Hong, Joonkyung Jang, Man Yeong Ha
Proc. ASME. ICNMM2008, ASME 2008 6th International Conference on Nanochannels, Microchannels, and Minichannels, 1005-1011, June 23–25, 2008
Publisher: American Society of Mechanical Engineers
Paper No: ICNMM2008-62312
https://doi.org/10.1115/ICNMM2008-62312
View Paper titled, Characteristics of the Water Meniscus at AFM Tip for Various Surface Energy
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Topics: Atomic force microscopy, Surface energy, Water, Equilibrium (Physics), Molecular dynamics simulation, Adhesion, Density, Monte Carlo methods, Nanoscale phenomena
Proceedings Papers

Review of Heat Exchanger Studies for High-Efficiency Gas Turbines

Ji Hwan Jeong, Lae Sung Kim, Jae Keun Lee, Man Yeong Ha, Kui Soon Kim, Young Cheol Ahn
Proc. ASME. GT2007, Volume 4: Turbo Expo 2007, Parts A and B, 833-840, May 14–17, 2007
Publisher: American Society of Mechanical Engineers
Paper No: GT2007-28071
https://doi.org/10.1115/GT2007-28071
View Paper titled, Review of Heat Exchanger Studies for High-Efficiency Gas Turbines
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Topics: Gas turbines, Heat exchangers, Cooling, Design, Emissions, Engines, Fuel consumption, Manufacturing technology, Optimization, Transportation systems
Proceedings Papers

Two-Phase Flow Analysis in Multi-Channel

Man Yeong Ha, Cheol Hwan Kim, Yong Won Jung, Giho Jeong, Seong Geun Heo
Proc. ASME. ICMM2004, ASME 2nd International Conference on Microchannels and Minichannels, 421-427, June 17–19, 2004
Publisher: American Society of Mechanical Engineers
Paper No: ICMM2004-2364
https://doi.org/10.1115/ICMM2004-2364
View Paper titled, Two-Phase Flow Analysis in Multi-Channel
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Topics: Two-phase flow, Finite volume methods, Flow (Dynamics), Fluids, Momentum, Pressure drop