Dr. Jongrak Choi | Mechanical Engineering – Principal researcher at Korea Electronics Technology Institute, South Korea
Jongrak Choi is a distinguished researcher and principal researcher at the Korea Electronics Technology Institute (KETI), where he leads significant advancements in intelligent mechatronics and fluid dynamics. With a deep commitment to research and innovation, his career has been defined by groundbreaking work in computational fluid dynamics (CFD), thermal management for electric devices, and prognostics and health management (PHM) of mechanical systems. Over the years, Choi has made vital contributions to multiple research areas, from optimizing thermal performance in electric motors to automating complex simulation solvers, positioning him as a key figure in his field.
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Education:
Jongrak Choi’s academic journey reflects his dedication to mechanical engineering, earning a Ph.D. in Mechanical Engineering from Sogang University in 2022, where he conducted pivotal research on numerical modeling for blood trauma characteristics in blood pumps. His master’s and bachelor’s degrees, also from Sogang University and Kookmin University, respectively, laid the foundation for his expertise in fluid dynamics, thermal management, and industrial engineering. Through his academic endeavors, Choi has developed a deep understanding of the intersection between engineering and real-world challenges, contributing to his success in research and industry.
Experience:
Choi’s professional career spans various roles, culminating in his current position as a Principal Researcher at KETI. His previous experience as a research professor at Sogang University allowed him to hone his academic rigor, while his tenure as an associate research engineer at LS Mtron helped him apply his research insights to industrial technologies. At KETI, Choi is at the forefront of developing solutions that integrate cutting-edge engineering principles into real-world applications. His work has seen the successful application of CFD in automotive, aerospace, and energy systems, further solidifying his standing as a leader in the engineering research community.
Research Interests:
Jongrak Choi’s research interests are rooted in computational fluid dynamics (CFD), focusing on its application in industrial fields such as thermal management for electric devices, simulation automation, and health monitoring of mechanical systems. His work extends to prognostics and health management (PHM) of motors and inverters, where he aims to improve reliability and efficiency in industrial machinery. By applying advanced CFD techniques, Choi seeks to optimize systems for better performance, efficiency, and sustainability, with particular emphasis on energy consumption, thermal optimization, and predictive maintenance in motors, pumps, and other critical mechanical components.
Awards:
Jongrak Choi’s exceptional contributions to mechanical engineering have been recognized through numerous prestigious awards. In 2024, he received the Best Paper Award from the Korea Society of Mechanical Engineers (KSME), as well as the Grand Prize in the Virtual Engineering Platform Software Utilization Contest. His work was honored multiple times in 2023, including at the AeroNDT2023 Conference and the 17th International Conference on Heat Transfer. Choi’s innovation and commitment to advancing mechanical engineering are further highlighted by the KISTI High-Performance Computing Award and multiple Excellent Paper Awards. His numerous accolades reflect his significant influence on the field and his ongoing dedication to pioneering research.
Publications:
Yang, S., Shin, Y., Son, G., & Choi, J. (2025). “Numerical optimization of thermal performance using Kriging method in a propulsion motor.” Journal of Heat Transfer Engineering. 🌡️
Yang, S., Lee, S.H., Shin, Y., Seo, J.-M., Cho, Y.W., Son, G., & Choi, J. (2024). “A numerical study on heat release characteristics of coolant passages in air vehicle motor.” Journal of Mechanical Science and Technology. 🚗
Park, D., Guo, F., Choi, J., Park, J.-H., & Kim, N. (2023). “Temperature and thermal stress analysis of a hot blast stove.” Processes. 🔥
Choi, J., Choi, J., Lee, K., Hur, N., & Kim, N. (2022). “Fatigue life prediction methodology of hot work tool steel dies for high-pressure die casting.” Metals. ⚙️
Choi, J., Jang, S., & Hur, N. (2022). “A numerical study of wind pressure on platform screen doors.” Journal of Computational Fluids Engineering (Korean). 🌬️
Conclusion:
Jongrak Choi is a highly accomplished researcher with a distinguished career that bridges academia and industry. His contributions to mechanical engineering, particularly in computational fluid dynamics and thermal optimization, have had a profound impact on real-world applications, from improving the performance of electric motors to enhancing the reliability of industrial systems. Choi’s numerous awards and publications demonstrate his expertise and ongoing influence in the field. His innovative approach and dedication to advancing engineering technologies make him an excellent candidate for the Best Researcher Award. With his continued focus on pioneering research and development, Choi is poised to shape the future of mechanical engineering and leave a lasting legacy in the field.