Vladimír Chmelko | Fatigue of materials | Best Researcher Award

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Prof. Dr. Vladimír Chmelko | Fatigue of materials | Best Researcher Award

head of Institute of Applied mechanics & Mechatronics at Slovak University of Technology in Bratislava, Slovakia

Vladimír Chmelko is a professor at the Slovak University of Technology in Bratislava, specializing in applied mechanics and mechatronics. He has held positions as an assistant professor (2007–2014), head of the department (2017–present), and head of the Institute of Applied Mechanics and Mechatronics (since 2020). He earned his PhD in applied mechanics and has contributed to over 100 publications, 13 indexed papers, and 170+ citations. His expertise includes fatigue analysis, structural integrity, and mechanical diagnostics. He is a member of prestigious societies like the European Structural Integrity Society and the European Society of Experimental Mechanics.

Publication Profile

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Education 🎓📚

PhD in Applied Mechanics (2003–2006) from the Slovak University of Technology in Bratislava, focusing on fatigue life theory. Completed additional pedagogical education (1997–1999) with an international ING-PAED IGIP degree in 2005. Earned a Master’s in Applied Mechanics (1983–1988) with a thesis on FEM-based contact task solutions. Undertook concurrent pedagogical education (1986–1988). Secondary education with a baccalaureate from Gymnasium Ivana Horvátha (1979–1983). Primary education completed in 1979.

Experience 🏫🔍

University professor since 1990 at the Slovak University of Technology in Bratislava. Served as an assistant professor (2007–2014), head of the department (2017–present), and head of the Institute of Applied Mechanics and Mechatronics (since 2020). PhD student at the Slovak Academy of Sciences (1988–1990). Member of scientific committees for international conferences like ICSI, VAL, WMVC, and ECF. Published over 100 research papers, presented in 30+ international conferences, and received over 170 citations. Actively involved in industry-funded projects, securing over €1M in research funding.

Awards and Honors 🏆🥇

Received two publication awards from the Czech Gas & Oil Association (2016, 2017) and one from the Slovak Gas & Oil Association (2011). Holds three industrial utility models. Member of the European Structural Integrity Society and the European Society of Experimental Mechanics. Key contributor to major industry projects, including gas safety monitoring, fatigue diagnostics, and 3D-printed metal component analysis. Led multiple research projects in structural integrity, corrosion monitoring, and pipeline safety.

Research Focus 🔬⚙️

Specializes in applied mechanics, structural integrity, fatigue life prediction, and mechanical diagnostics. His research spans fatigue damage evaluation, pipeline safety, corrosion-fatigue interactions, and gas safety monitoring. Conducted studies on oscillation sources in mechanical systems and developed advanced fatigue assessment methods. Worked on multiaxial fatigue analysis of 3D-printed metal components and bridge cable diagnostics. Led projects on material characterization, trailer suspension development, and operational life prediction of power equipment components.

Publications 📖

Analysis of Static and Cyclic Properties of 316L and AlSi10Mg in Conventional Casting and Additive Manufacturing

Bridge cable tension estimation using the vibration method

Poisson’s Ratio of Selected Metallic Materials in the Elastic–Plastic Region

Strength and Cyclic Properties of Additive vs. Conventionally Produced Material AlSi<sub>10</sub>Mg

Fatigue Lifetime Analysis of a Bicycle Frame Made by Additive Manufacturing Technology from AlSi10Mg

Conclusion

Dr. Vladimír Chmelko is a highly suitable candidate for the Best Researcher Award, given his expertise in fatigue of materials, structural integrity, and mechanical engineering, coupled with a strong academic and industrial research background. His leadership in research projects, publications, and international scientific engagement positions him as a key contributor to advancements in applied mechanics and fatigue diagnostics. Strengthening his citation impact and global collaborations could further elevate his research influence.

JAEHYUK CHOI | Materials and Structures | Best Researcher Award

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Mr. JAEHYUK CHOI | Materials and Structures | Best Researcher Award

Assist Prof Dr at National Korea Maritime and Ocean University, South Korea

Mr. JAEHYUK CHOI is a distinguished professor at Korea Maritime and Ocean University with expertise in mechanical and marine engineering. After earning his Ph.D. from Hokkaido University, Japan, he has contributed significantly to fields like combustion engineering, high-temperature hydrogen production, and space utilization engineering. His professional journey includes a blend of academia, research, and industry advisory roles, including postdoctoral work at the Korea Atomic Energy Research Institute and advisory roles for Korea’s Ministry of Ocean and Fisheries. He has published extensively on air pollution control and hydrogen production modeling, contributing to global research initiatives.

Publication Profile

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Education 🎓

Ph.D. in Mechanical Science (2005) – Hokkaido University, Japan (Advisor: Prof. Osamu Fujita) M.S. in Marine Engineering (2000) – Korea Maritime University, Korea (Advisor: Prof. Seok-Hun Yoon) B.S. in Marine Engineering (1996) – Korea Maritime University, Korea His educational journey has provided him with a robust foundation in mechanical and marine engineering, focused on areas such as combustion, fluid flow, and hydrogen production. The combination of Japanese and Korean maritime expertise enables him to develop cutting-edge models for air pollution control, combustion technologies, and high-temperature electrolysis, contributing to cleaner maritime operations. 🌐🌬️🚢

Experience 👨‍✈️

Naval Officer – 1996-1998 (Navy R.O.T.C 41, Korea) Researcher – 2000-2001 (Korea Maritime University) Research Student – 2001 (Hokkaido University, Japan Postdoctoral Researcher – 2005-2007 (Korea Atomic Energy Research Institute)  BK21 Assistant Professor – 2007-2009 (Seoul National University)  Assistant/Associate/Professor – 2009-present (Korea Maritime and Ocean University) Policy Advisory Council – 2017-2019 (Ministry of Ocean and Fisheries)  Visiting Scholar – 2019-2021 (University of Missouri) Mr. JAEHYUK CHOI has a rich professional background combining military service, academic research, and advisory roles. His international experience includes collaborations in Japan and the United States, broadening his expertise in nuclear hydrogen and marine engineering. 🛠️🌍

Awards and Honors🏆

Minister Citation – Ministry of Ocean and Fisheries (2018) Best Teacher Award – Korea Maritime and Ocean University (2014, 2017) 2000 Outstanding Intellectuals – IBC (2016) Minister Citation – Ministry of Science, ICT, and Future Planning (2015) Certificate – President of KMOU (2013, 2014) Outstanding Paper – Japan Society of Mechanical Engineers (2007 Outstanding Paper – Korean Society of Marine Engineering (2006 Certificate – Korea Atomic Energy Research Institute (2006) Mr. JAEHYUK CHOI has received numerous awards, recognizing his contributions to marine engineering and academia. His dedication to research and teaching is reflected in prestigious ministerial citations and multiple best paper awards from renowned engineering societies. 🏅📚🎖️

Publication  Top Notes

Experimental and numerical studies on performance investigation of a diesel engine converted to run on LPG
Authors: Kuk Kim, J., Lee, W.-J., Ahn, E., Choi, J.-H.
Published in: Energy Conversion and Management, 2024, 321, 119091
Summary: This paper investigates the performance of diesel engines converted to operate on LPG (liquefied petroleum gas). The study combines both experimental and numerical methods to analyze fuel efficiency, emissions, and engine performance.

Review of noise and vibration reduction technologies in marine machinery: Operational insights and engineering experience
Authors: Park, M.-H., Yeo, S., Choi, J.-H., Lee, W.-J.
Published in: Applied Ocean Research, 2024, 152, 104195
Summary: This review focuses on technologies aimed at reducing noise and vibration in marine machinery. The authors compile operational insights and lessons learned from engineering practices, emphasizing the importance of reducing environmental and human impacts in maritime applications.

Experimental evaluation of the significance of scheduled turbocharger reconditioning on marine diesel engine efficiency and exhaust gas emissions
Authors: Nyongesa, A.J., Park, M.-H., Lee, C.-M., Hur, J.-J., Lee, W.-J.
Published in: Ain Shams Engineering Journal, 2024, 15(8), 102845
Summary: This article presents an experimental study evaluating the impact of scheduled turbocharger reconditioning on the efficiency of marine diesel engines and associated exhaust gas emissions. The findings emphasize the importance of maintenance schedules for optimizing engine performance and reducing emissions.

Effects of natural gas admission location and timing on performance and emissions characteristics of LPDF two-stroke engine at low load
Authors: Nyongesa, A.J., Choi, J.-H., Lee, J.-W., Kim, J.-S., Lee, W.-J.
Published in: Case Studies in Thermal Engineering, 2024, 56, 104241
Summary: This paper investigates the effects of natural gas admission timing and location on the performance and emissions of low-pressure dual-fuel (LPDF) two-stroke engines. The results are crucial for optimizing engine operations under low-load conditions.

Estimation of greenhouse gas emissions from ships registered in South Korea based on activity data using the bottom-up approach
Authors: Yeo, S., Kuk Kim, J., Choi, J.-H., Lee, W.-J.
Published in: Journal of Engineering for the Maritime Environment, 2024
Summary: This study uses a bottom-up approach to estimate greenhouse gas emissions from ships registered in South Korea. The authors focus on activity data, providing a detailed methodology for assessing emissions from maritime transportation.

LPG, Gasoline, and Diesel Engines for Small Marine Vessels: A Comparative Analysis of Eco-Friendliness and Economic Feasibility
Authors: Kim, J.K., Yeo, S., Choi, J.-H., Lee, W.-J.
Published in: Energies, 2024, 17(2), 450
Summary: This article compares LPG, gasoline, and diesel engines for small marine vessels, focusing on their eco-friendliness and economic feasibility. The paper highlights LPG as a potential environmentally friendly alternative to traditional fuels.

Impact of K-H Instability on NO Emissions in N₂O Thermal Decomposition Using Premixed CH₄ Co-Flow Flames and Electric Furnace
Authors: Park, J., Kim, S., Yu, S., Choi, J.-H., Yoon, S.H.
Published in: Energies, 2024, 17(1), 96
Summary: This study examines the impact of Kelvin-Helmholtz (K-H) instability on nitrogen oxide (NO) emissions during nitrous oxide (N₂O) thermal decomposition in premixed methane co-flow flames. The findings contribute to understanding combustion instability’s role in emission characteristics.

Feasibility study on bio-heavy fuel as an alternative for marine fuel
Authors: Kim, J.-S., Choi, J.-H.
Published in: Renewable Energy, 2023, 219, 119543
Summary: This feasibility study explores the potential of bio-heavy fuel as a sustainable alternative to conventional marine fuels. The paper assesses the environmental and economic impacts of using bio-heavy fuel in maritime applications.

Corrigendum: Effects of hydrogen mixture ratio and scavenging air temperature on combustion and emission characteristics of a 2-stroke marine engine
Authors: Pham, V.C., Kim, J.-S., Lee, W.-J., Choi, J.-H.
Published in: Energy Reports, 2023, 9
Summary: The corrigendum addresses errors in a previously published article related to hydrogen mixture ratios and scavenging air temperature’s effects on two-stroke marine engine performance and emissions.

Effects of hydrogen mixture ratio and scavenging air temperature on combustion and emission characteristics of a 2-stroke marine engine
Authors: Pham, V.C., Kim, J.-S., Lee, W.-J., Choi, J.-H.
Published in: Energy Reports, 2023, 9, pp. 195–216

Conclusion

The candidate is highly suitable for the Best Researcher Award due to their comprehensive expertise, significant professional experience, and numerous accolades. Their research has substantial implications for environmental sustainability and technological advancement. By focusing on improving their publication output and fostering industry collaborations, the candidate can further solidify their impact and leadership in their field. Overall, the candidate’s strengths make them an exemplary choice for this prestigious award.