Introduction
People
Curriculum
8117 Introduction 8123 People 8124 Curriculum
Name
Seungyeong Choi
MAJOR
Heat/Mass transfer, Aerospace Thermofluids
TEL
02-970-6332
E-mail
s.choi@seoultech.ac.kr
Biography
◾ 2022.02 Ph.D., Mechanical Engineering, Yonsei University
◾ 2016.02 BEng., Mechanical Engineering, Yonsei University
Careers
◾ 2025.09 ~ Seoul National University of Science and Technology, Department of Mechanical Engineering, Assistant Professor
◾ 2023.07 ~ 2025.08 University of Oxford, Oxford Thermofluids Institute, Postdoctoral Research Assistant
◾ 2023.03 ~ 2023.07 Yonsei University, Research Professor
◾ 2022.03 ~ 2023.02 Yonsei University, Postdoctoral Research Associate
Research Areas
◾ Heat/Mass Transfer
◾ Flow and Sealing Characteristics
◾ Cooling Technology
◾ Thermal Design
◾ Gas Turbine Engines
◾ Space Nuclear Micro-Reactor
◾ Fluidized Bed Reactor for Carbon Capture
Selected Publications
1. Choi S, Jackson D, Melia T, Ireland P. Thermal-Fluid Performance Degradation of Turbulators in Additively Manufactured Turbine Cooling. International Journal of Mechanical Sciences 2025;301:110495.[Corresponding author] [Link]
2. Choi S, Bang M, Park HS, Heo J, Cho MH, Cho HH. Machine Learning-Assisted Effective Thermal Management of Rotor-Stator Systems. Energy 2024;299:131528.[Link]
3. Choi S, Choi P, Sohn HS, Rhee DH, Cho HH. Local heat and mass transfer in a rotor-stator system with hub inflow: Thermal boundary layer and superposition effect. International Communications in Heat and Mass Transfer 2023;144:106799.[Link]
4. Choi S, Bang M, Choi SM, Cho MH, Moon H-K, Cho HH. Unsteady hot gas ingestion through the double rim-seals of an axial gas turbine. International Journal of Mechanical Sciences 2021;207:106664.[Link]
5. Choi S, Moon H, Bang M, Kim K, Park Y-K, Cho HH. Efficient design of heat exchange for CFB reactors in CO2 capture system regarding geometry-induced secondary flow. Energy Conversion and Management 2021;235:113995.[Link]
Journal Papers
1. Choi S, Jackson D, Ireland P. Detailed Heat Transfer Measurements on Rectangular Channels with Partial Length 3D Round-Edged Rib Turbulators. International Communications in Heat and Mass Transfer 2025;169:109516.[Corresponding author] [Link]
2. Choi S, Jackson D, Melia T, Ireland P. Thermal-Fluid Performance Degradation of Turbulators in Additively Manufactured Turbine Cooling. International Journal of Mechanical Sciences 2025;301:110495.[Corresponding author] [Link]
3. Choi S, Park HS, Heo J, Kim J, Cho HH. Detailed Heat and Mass Transfer of Rotor-Stator Systems with Radial Rib Structures on the Rotating Disk. International Communications in Heat and Mass Transfer 2025;162:108670.[Link]
4. Choi S, Bang M, Park HS, Heo J, Cho MH, Cho HH. Machine Learning-Assisted Effective Thermal Management of Rotor-Stator Systems. Energy 2024;299:131528.[Link]
5. Choi S, Choi P, Sohn HS, Rhee DH, Cho HH. Local heat and mass transfer in a rotor-stator system with hub inflow: Thermal boundary layer and superposition effect. International Communications in Heat and Mass Transfer 2023;144:106799.[Link]
6. Choi S, Yun M, Kim K, Park Y-K, Cho HH. Energy-Efficient Design of Dual Circulating Fluidized Bed System for CCUS by Multi-Tube Configuration with Junctions. Energy 2022;245;123258.[Link]
7. Choi S, Bang M, Choi SM, Cho MH, Moon H-K, Cho HH. Unsteady hot gas ingestion through the double rim-seals of an axial gas turbine. International Journal of Mechanical Sciences 2021;207:106664.[Link]
8. Choi S, Moon H, Bang M, Kim K, Park Y-K, Cho HH. Efficient design of heat exchange for CFB reactors in CO2 capture system regarding geometry-induced secondary flow. Energy Conversion and Management 2021;235:113995.[Link]
9. Choi S, Moon H, Lee N, Kim K, Park Y-K, Cho HH. Thermal design of dual circulating fluidized bed reactors for a large-scale CO2 capture system. Applied Thermal Engineering 2020;171:115114.[Link]
10. Choi S, Yoo H, Moon H, Park Y-K, Cho HH. Heat transfer and gas-solid behaviors in pneumatic transport reactor used of carbon capture system. Journal of Mechanical Science and Technology 2017;31:5081–7.[Link]
11. Bang M, Choi S, Cho HH. Discrete slot design for turbine blade tip cooling: A comparative study with continuous slot. International Communications in Heat and Mass Transfer 2025;168:109436.
12. Yun M, Choi S, Song HS, Moon H, Ahn M-Y, Cho HH. Thermal network for breeding blanket analysis and design in fusion reactor. International Journal of Heat and Mass Transfer 2024;243:126056.
13. Bang M, Choi S, Lee N, Cho HH. Enhanced cooling performance of blade tip slot cooling: Effect of slot open length. International Communications in Heat and Mass Transfer 2024;158:107871.
14. Bang M, Choi S, Choi SM, Rhee D-H, Moon HK, Cho HH. Augmented cooling performance in gas turbine blade tip with slot cooling. International Journal of Heat and Mass Transfer 2023;201:123664.
15. Bang M, Choi S, Choi SM, Moon HK, Cho HH. Enhancement of blade tip cooling with different position on tip cooling slot. International Journal of Heat and Mass Transfer 2023;200:123500.
16. Choi SM, Kwon HG, Choi S, Bang M, Moon HK, Cho HH. Delta-Winglet-Pair for Enhancing Cooling Performance of a Single Dimple Imprinted Internal Channel. International Journal of Heat and Mass Transfer 2021;178:121647.
17. Kim J, Sohn H-S, Choi S, Hsu W-T, Ueda O, Cho HH. Effect of misalignment at 2nd vane endwall on heat transfer with purge flow. International Journal of Heat and Mass Transfer 2021;170:121034.
18. Kim T, Jung EY, Choi S, Park HS, Lee C, Cho HH. Local heat/mass transfer of array jet impingement cooling with pin-fin heat sinks. IEEE Transactions on Components, Packaging and Manufacturing Technology 2021;11(11): 1768-1775.
19. Bang M, Kim S, Choi S, Sohn H-S, Cho HH. Impingement/effusion cooling with a hollow cylinder structure for additive manufacturing. International Journal of Heat and Mass Transfer 2020;155:119786.
20. Choi SM, Choi S, Cho HH. Effect of Various Coolant Mass Flow Rates on Sealing Effectiveness of Turbine Blade Rim Seal at First Stage Gas Turbine Experimental Facility. Energies 2020;13:4105.
21. Moon H, Choi S, Park Y-K, Cho HH. Thermal-fluid characteristics on near wall of gas-solid fluidized bed reactor. International Journal of Heat and Mass Transfer 2017;114:852–65.
22. Yoo H, Moon H, Choi S, Park Y-K, Cho HH. Effect of the jet direction of gas nozzle on the residence time distribution of solids in circulating fluidized bed risers. Journal of the Taiwan Institute of Chemical Engineers 2017;71:235–43.

23. Yun M, Choi S, Moon H, Ahn M-Y, Cho HH. Heat Transfer Characteristics of Impingement Jet for a Cooling System of Fusion Reactor Breeding Blanket. Transactions of the Korean Society of Mechanical Engineers, B, 2024;48:27–32.
24. Lee Y, Nam J, Choi S, Park SH, Cho HH. Effect of Horizontal Position and Width of Box Tail Wing on Aerodynamics and Longitudinal Static Stability of BWB Aircraft. Journal of the Korean Society for Aeronautical and Space Sciences, 2023;51(6):363–70.
25. Yoon T, Choi S, Kim T, Park HS, Cho HH. Numerical Study on Sealing Effectiveness Changes with Increased Turbine Rotor Rim Seal Thickness. Journal of the Korean Society of Propulsion Engineers, 2022;26:38–46.
26. Choi SM, Choi S, Park HS, Cho HH. Effect of aspect ratio on heat transfer of triangular internal cooling channel of gas turbine blade. Transactions of the Korean Society of Mechanical Engineers, B, 2021;45:135–43.
Patents
- International patents -
1. Trailing edge cooling structure of turbine blade,US11655716B2
2. Turbine blade and turbine including the same, US11746661B2,
3. Turbine blade and turbine including the same, JP7362997B2
4. Cooled gas turbine blade with lattice structure, US11788418B2
5. Airfoil-Shaped Aircraft, US12043379B2

- Domestic patents -
1. Trailing edge cooling structure of turbine blade, KR 102456633B1
2. Turbine blade and turbine including the same, KR102623227B1
3. Cooled gas turbine blade with lattice structure, KR102621756B1
4. Airfoil-Shaped Aircraft, KR 102492920B1
5. Improved blade cooling efficiency impinging jet array, KR102295774B1
6. Blade with shelf squealer tip for gas turbine, KR102590947B1
7. Gas turbine with guide plate structure using cross flow, KR102469198B1
8. Gas turbine with air foil structure using cross, KR102468138B1
9. Gas turbine with rim seal cooling structure using cross flow, KR102468137B1
10. Turbine blade having cooling hole and turbine including the same, KR102669090B1
11. Multi-Layer Structure Airfoil-Shaped Aircraft, KR102693021B1
12. Gas Turbine with Pre-swirl System Including Spiral Flows, KR102706183B1
13. Hexagonal Cooling Device of Flow Acceleration and Impingement at Gas Turbine Inlet, KR102715231B1
Miscellaneous
- AWARDS -

Excellent Thesis Award, The Korean Society of Mechanical Engineers 2022
Excellent Thesis Award, The Korean Society of Propulsion Engineers 2022
Excellent Thesis Award, Korean Society of Fluid Machinery 2022
Outstanding Research Excellence Award (Korea Energy Technology Evaluation and Planning President`s Award), Ministry of Trade, Industry, and Energy 2021
Excellence Award for Industry-University Cooperation Project, Doosan Heavy Industries & Construction. 2021
Best Paper Award, Department of Mechanical Engineering, Yonsei University 2021
Excellent Presentation Paper Award, Korean Society for Fluid machinery 2018
Best Paper Award, The Korean Society of Mechanical Engineers 2017
Excellent Presentation Paper Award, Korean Society for Fluid machinery 2017
Best paper award, 7th International Symposium on Fluid Machinery and Fluids Engineering 2016
Mechanical Engineering Program, Seoul National University of Science and Technology
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