Jongrak Choi | Mechanical Engineering | Best Researcher Award

Dr. Jongrak Choi | Mechanical Engineering | Best Researcher Award

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.

Tian-Bing Xu | Mechanical and Aerospace | Best Researcher Awards

Prof. Tian-Bing Xu | Mechanical and Aerospace | Best Researcher Awards

Ph.D. at Old Dominion University, United States

Dr. Tian-Bing Xu is an Associate Professor in the Department of Mechanical and Aerospace Engineering at Old Dominion University (ODU). He leads the Smart Materials & Intelligent Systems (SMIS) Laboratory, focusing on advanced technologies in smart materials, energy harvesting, and intelligent systems. Recognized among the top 2% of the most influential scientists worldwide, Dr. Xu has made significant contributions to energy conversion, renewable energies, and aerospace technologies. His interdisciplinary research and collaboration with organizations such as NASA and the Department of Defense have earned him numerous accolades, cementing his reputation as a leading researcher in his field.

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Education:

Dr. Xu’s academic journey began with a Diploma in Physics from Shandong University, China, followed by graduate work at the Chinese Academy of Sciences. He then moved to the United States, where he completed both his Master’s and Ph.D. in Materials Science and Engineering at The Pennsylvania State University. His Ph.D. research focused on developing electromechanical devices using electroactive polymers, under the guidance of Dr. Qiming Zhang. This education laid the foundation for his future work in advanced materials and intelligent systems, blending fundamental science with applied engineering solutions.

Experience:

Dr. Xu has over two decades of experience in academic and applied research. Since joining ODU in 2018 as an Associate Professor, he has led projects in smart materials, energy harvesting, and sensor technologies. Before ODU, he worked at NASA Langley Research Center and the National Institute of Aerospace in various capacities, contributing significantly to aerospace research. His work in these roles included leadership in developing piezoelectric materials and energy harvesting systems, with several projects transitioning to industrial applications. He also held a Senior Research Scientist position, which was critical in his collaboration with NASA on multiple innovations. His academic experience is further highlighted by multiple invited talks and keynote speeches.

Research Interests:

Dr. Xu’s research primarily focuses on smart materials and intelligent systems, with applications in energy harvesting, robotics, medical devices, and renewable energies. His work aims to develop materials and systems that can efficiently convert mechanical energy into electrical energy, particularly for use in structural health monitoring, offshore energy systems, and wearable technology. He is also deeply invested in advancing manufacturing technologies for these materials to increase their real-world applicability. Additionally, Dr. Xu’s research has expanded into exploring piezoelectric technologies for energy recovery, aiming to revolutionize both the aerospace and renewable energy industries.

Awards:

Dr. Xu has received numerous awards for his groundbreaking research. Notably, he was included in the Stanford University list of the top 2% of the most influential scientists worldwide. He has also been awarded research grants totaling over $12 million from prestigious organizations such as NASA, NSF, DOD, and various state agencies. His leadership in securing these grants, both as principal investigator and co-investigator, highlights his capacity to drive impactful research projects. Dr. Xu has also received the prestigious ONR Summer Faculty Fellowship and has been honored with awards for his patented technologies.

Publications:

Dr. Xu has published 58 peer-reviewed journal articles, 3 book chapters, and over 44 conference papers. His research has appeared in leading journals with high impact factors, contributing significantly to the advancement of materials science and engineering. A selection of his key publications includes:

A review of piezoelectric footwear energy harvesters: principles, methods, and applications, Sensors, 2023.

Proof Mass Effects on a Flextensional Piezoelectric Energy Harvester, IFAC-PapersOnLine, 2022.

A high density piezoelectric energy harvesting device from highway traffic—System design and road test, Applied Energy, 2021.

Piezoelectric energy harvesting from human walking by using a two-stage amplification mechanism, Energy, 2019.

Design, optimization, modeling, and testing of a piezoelectric footwear energy harvester, Energy Conversion and Management, 2018.

Conclusion:

Dr. Tian-Bing Xu’s achievements make him a highly deserving candidate for the Best Researcher Award. His pioneering work in smart materials, energy harvesting technologies, and advanced manufacturing places him at the forefront of scientific innovation. His leadership in securing substantial research grants, his prolific publication record, and his numerous patents underscore his significant contributions to both academic and practical advancements in his field. With continued growth in interdisciplinary research and broader global collaborations, Dr. Xu’s work promises to have an even greater impact on the future of technology and sustainable energy solutions.