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Jin Taek Chung
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Proceedings Papers

Numerical Evaluation of Surface Roughness Effects on Film-Cooling Performance in a Laidback Fan-Shaped Hole

Ali Zamiri, Sung Jin You, Jin Taek Chung
Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A019, September 21–25, 2020
Paper No: GT2020-14525
DOI: https://doi.org/10.1115/GT2020-14525
View Paper titled, Numerical Evaluation of Surface Roughness Effects on Film-Cooling Performance in a Laidback Fan-Shaped Hole
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Topics: Film cooling, Large eddy simulation, Surface roughness
Proceedings Papers

Scale Adaptive Simulation of Transient Behavior in a Transonic Centrifugal Compressor With a Vaned Diffuser

Ali Zamiri, Jin Taek Chung
Proc. ASME. GT2018, Volume 2C: Turbomachinery, V02CT42A055, June 11–15, 2018
Paper No: GT2018-77264
DOI: https://doi.org/10.1115/GT2018-77264
View Paper titled, Scale Adaptive Simulation of Transient Behavior in a Transonic Centrifugal Compressor With a Vaned Diffuser
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Topics: Compressors, Diffusers, Simulation, Transients (Dynamics), Pressure, Turbulence, Blades, Flow (Dynamics), Impellers, Noise (Sound)
Proceedings Papers

Numerical Investigation of the Inclined Leading Edge Diffuser Vane Effects on the Flow Unsteadiness and Noise Characteristics in a Transonic Centrifugal Compressor

Ali Zamiri, Byung Ju Lee, Jin Taek Chung
Proc. ASME. GT2017, Volume 2C: Turbomachinery, V02CT43A012, June 26–30, 2017
Paper No: GT2017-65117
DOI: https://doi.org/10.1115/GT2017-65117
View Paper titled, Numerical Investigation of the Inclined Leading Edge Diffuser Vane Effects on the Flow Unsteadiness and Noise Characteristics in a Transonic Centrifugal Compressor
Click here to open pdf in another window PDF for Numerical Investigation of the Inclined Leading Edge Diffuser Vane Effects on the Flow Unsteadiness and Noise Characteristics in a Transonic Centrifugal Compressor
Topics: Compressors, Diffusers, Flow (Dynamics), Noise (Sound), Pressure, Impellers, Engineering simulation, Simulation, Blades, Fluctuations (Physics)
Proceedings Papers

Numerical Evaluation of the Unsteady Flow in a Centrifugal Compressor With Vaned Diffuser via URANS Approach

Ali Zamiri, Byung Ju Lee, Jin Taek Chung
Proc. ASME. GT2016, Volume 2D: Turbomachinery, V02DT44A030, June 13–17, 2016
Paper No: GT2016-57538
DOI: https://doi.org/10.1115/GT2016-57538
View Paper titled, Numerical Evaluation of the Unsteady Flow in a Centrifugal Compressor With Vaned Diffuser via URANS Approach
Click here to open pdf in another window PDF for Numerical Evaluation of the Unsteady Flow in a Centrifugal Compressor With Vaned Diffuser via URANS Approach
Topics: Compressors, Diffusers, Unsteady flow, Impellers, Blades, Pressure, Noise (Sound), Bubbles, Compression, Design
Proceedings Papers

Leakage Performance and Rotordynamic Characteristics of Bump Floating Ring Seals for Turbopump

Yong-Bok Lee, Kyoung-Wook Kim, Sol-Ji Ryu, Jin Taek Chung
Proc. ASME. GT2014, Volume 7B: Structures and Dynamics, V07BT32A017, June 16–20, 2014
Paper No: GT2014-26274
DOI: https://doi.org/10.1115/GT2014-26274
View Paper titled, Leakage Performance and Rotordynamic Characteristics of Bump Floating Ring Seals for Turbopump
Click here to open pdf in another window PDF for Leakage Performance and Rotordynamic Characteristics of Bump Floating Ring Seals for Turbopump
Topics: Leakage, Damping, Whirls, Locks (Waterways), Pressure drop, Rotors, Stability, Coulombs, Design, Friction
Proceedings Papers

Measurement of Blade Tip Heat Transfer and Leakage Flow in a Turbine Cascade With a Multi-Cavity Squealer Tip

Jung Shin Park, Sang Hoon Lee, Jae Su Kwak, Won Suk Lee, Jin Taek Chung
Proc. ASME. TBTS2013, ASME 2013 Turbine Blade Tip Symposium, V001T02A006, September 30–October 3, 2013
Paper No: TBTS2013-2072
DOI: https://doi.org/10.1115/TBTS2013-2072
View Paper titled, Measurement of Blade Tip Heat Transfer and Leakage Flow in a Turbine Cascade With a Multi-Cavity Squealer Tip
Click here to open pdf in another window PDF for Measurement of Blade Tip Heat Transfer and Leakage Flow in a Turbine Cascade With a Multi-Cavity Squealer Tip
Topics: Blades, Cascades (Fluid dynamics), Cavities, Heat transfer, Leakage flows, Turbines, Chords (Trusses), Pressure, Shapes, Clearances (Engineering)
Proceedings Papers

Effects of Blade-End Open Ratio on Aerodynamic Performance of Multi-Blade Fan

Ho Ho Lee, Hang Cheol Choi, Jae Gu Jung, Yoon Pyo Lee, Youhwan Shin, Jin Taek Chung
Proc. ASME. FEDSM2012, Volume 1: Symposia, Parts A and B, 497-504, July 8–12, 2012
Paper No: FEDSM2012-72231
DOI: https://doi.org/10.1115/FEDSM2012-72231
View Paper titled, Effects of Blade-End Open Ratio on Aerodynamic Performance of Multi-Blade Fan
Click here to open pdf in another window PDF for Effects of Blade-End Open Ratio on Aerodynamic Performance of Multi-Blade Fan
Topics: Blades, Flow (Dynamics), Design, Flow separation, Performance characterization
Proceedings Papers

Dynamic Characteristics of the Combined Smart Bearing

Yong Bok Lee, Kyung Min Lee, Jin-Taek Chung, Seung Jong Kim, Se Na Jeong
Proc. ASME. IJTC2011, ASME/STLE 2011 Joint Tribology Conference, 337-339, October 24–26, 2011
Paper No: IJTC2011-61179
DOI: https://doi.org/10.1115/IJTC2011-61179
View Paper titled, Dynamic Characteristics of the Combined Smart Bearing
Click here to open pdf in another window PDF for Dynamic Characteristics of the Combined Smart Bearing
Topics: Bearings, Finite element methods, Damping, Foil bearings, Machinery, Reliability, Stability, Stiffness, Turbochargers
Proceedings Papers

Numerical and Experimental Investigation on Thermal Characteristics of Deformable Thin Film Mirrors Package and Its Performance Optimization

Jae Choon Kim, Jin Taek Chung, Jae Hong Min, Dong Jin Lee, Ji-Hyuk Yu, JuHwan Lim, Byeong-Kwon Ju, SungWoo Hwang
Proc. ASME. HT2008, Heat Transfer: Volume 2, 663-669, August 10–14, 2008
Paper No: HT2008-56292
DOI: https://doi.org/10.1115/HT2008-56292
View Paper titled, Numerical and Experimental Investigation on Thermal Characteristics of Deformable Thin Film Mirrors Package and Its Performance Optimization
Click here to open pdf in another window PDF for Numerical and Experimental Investigation on Thermal Characteristics of Deformable Thin Film Mirrors Package and Its Performance Optimization
Topics: Mirrors, Optimization, Thin films, Temperature, Circuits, Control systems, Feedback, Steady state, Temperature control
Proceedings Papers

Pressure Based Prediction of Spray Cooling Heat Transfer Coefficients

Thierry Some, Eckhard Lehmann, Hitoshi Sakamoto, Jungho Kim, Jin Taek Chung, Erlendur Steinthorssen
Proc. ASME. IMECE2007, Volume 8: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A and B, 1131-1138, November 11–15, 2007
Paper No: IMECE2007-42676
DOI: https://doi.org/10.1115/IMECE2007-42676
View Paper titled, Pressure Based Prediction of Spray Cooling Heat Transfer Coefficients
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Topics: Cooling, Heat transfer coefficients, Pressure, Sprays, Fluids, Heat transfer, Hydrodynamics, Nozzles
Proceedings Papers

Numerical Analysis on Effects of the Contoured Endwall on the Three Dimensional Flow Characteristics in an Annular Turbine Nozzle Vane

Wu Sang Lee, Jin Taek Chung, Dae Hyun Kim, Seung Joo Choe
Proc. ASME. FEDSM2007, Volume 2: Fora, Parts A and B, 807-812, July 30–August 2, 2007
Paper No: FEDSM2007-37348
DOI: https://doi.org/10.1115/FEDSM2007-37348
View Paper titled, Numerical Analysis on Effects of the Contoured Endwall on the Three Dimensional Flow Characteristics in an Annular Turbine Nozzle Vane
Click here to open pdf in another window PDF for Numerical Analysis on Effects of the Contoured Endwall on the Three Dimensional Flow Characteristics in an Annular Turbine Nozzle Vane
Topics: Flow (Dynamics), Nozzles, Numerical analysis, Turbines, Blades, Cascades (Fluid dynamics), Nozzle guide vanes, Chords (Trusses), Cross-flow, Heat transfer