David Chepkonga | Thermal and Metallurgical Processes | Innovative Research Award

Innovative Research Award

David Chepkonga
Jomo Kenyatta University of Agriculture and Technology, Kenya
David Chepkonga
Affiliation Jomo Kenyatta University of Agriculture and Technology
Country Kenya
Scopus ID 59419267100
Documents 3
Citations 4
h-index 1
Subject Area Thermal and Metallurgical Processes
Event Metallurgical Engineering Awards
ORCID 0000-0002-2180-1718

David Chepkonga is a Kenyan scholar in applied and computational mathematics whose academic work has contributed to the advancement of numerical modelling, heat transfer analysis, fluid dynamics, and computational simulation. His interdisciplinary research profile combines mathematical theory with engineering-oriented applications relevant to thermal and metallurgical processes.[1] Through scholarly publications, conference participation, and university teaching, he has demonstrated a commitment to analytical research and academic development in East Africa and beyond.[2]

Abstract

David Chepkonga and his contributions to applied mathematics, computational modelling, and engineering-oriented scientific research. His academic activities include numerical analysis, magnetohydrodynamic flow studies, thermal systems simulation, and epidemic modelling.[3] Through publications in peer-reviewed journals and participation in international conferences, Chepkonga has contributed to research areas connected to thermal sciences and metallurgical engineering applications. His research profile reflects an emphasis on analytical rigor, interdisciplinary collaboration, and mathematical approaches to industrial and environmental challenges.[4]

Keywords

Applied Mathematics, Thermal Engineering, Metallurgical Processes, Computational Modelling, Fluid Dynamics, Heat Transfer, Numerical Analysis, Magnetohydrodynamics, Scientific Simulation, Engineering Research

Introduction

David Chepkonga working in this field often apply numerical techniques and mathematical simulations to understand heat transfer, fluid flow, and material behaviour under complex operating conditions. David Chepkonga has developed a research portfolio aligned with these objectives through studies involving nanofluid dynamics, magnetic field interactions, and predictive modelling systems.[2]

His academic work is associated with Jomo Kenyatta University of Agriculture and Technology in Kenya, where he completed advanced studies in applied mathematics and computational sciences. In addition to research, he has contributed to university teaching, supervision, curriculum development, and scholarly mentorship across multiple institutions.[1]

Research Profile

Chepkonga’s research profile focuses on computational fluid dynamics, thermal modelling, and engineering mathematics. His studies examine the interaction between magnetic fields, viscous flow systems, and heat transfer processes relevant to industrial and metallurgical applications.[3] His technical expertise includes MATLAB simulation, numerical analysis, and mathematical modelling techniques applied to engineering and environmental systems.

Research Contributions

A major component of Chepkonga’s work involves analysing thermal transport phenomena through computational approaches. His studies on gyro-tactic hybrid nanofluids and porous convergent pipe systems provide mathematical insight into complex flow behaviours and thermal conductivity patterns.[3] He has also contributed to mathematical epidemiology through research on disease transmission dynamics, including SIR-based modelling frameworks for Monkeypox and other infectious diseases. These studies illustrate the adaptability of mathematical methods across engineering and biomedical domains.[4]

Publications

  • Spectral Relaxation Analysis of Rotating Magnetohydrodynamic Viscous Flow and Heat Transfer Past a Stretching Sheet, Results in Engineering, 2026.
  • Modelling Heat and Mass Transfer in Gyro-tactic Hybrid Nanofluid Flow Through a Converging Pipe, International Journal of Ambient Energy, 2025.
  • Numerical Study of Multiphase Hybrid Gyro-tactic Nanofluid Flow Through Porous Convergent Pipe, Engineering Letters, 2025.

Research Impact

David Chepkonga’s studies combine mathematics, engineering analysis, and simulation techniques to address scientific questions relevant to industrial systems and emerging technological challenges.[5] His publications contribute to growing academic discussions in thermal sciences, metallurgical engineering processes, computational mathematics, and applied modelling. Participation in international conferences and academic workshops has also strengthened collaboration opportunities and research dissemination within the African scientific community.[2]

Award Suitability

David Chepkonga’s academic background and publication record support his suitability for recognition through the Innovative Research Award. His work demonstrates interdisciplinary integration between mathematics and engineering sciences, particularly in computational heat transfer and flow analysis.[3] The combination of research productivity, university-level teaching experience, conference engagement, and collaborative scholarly participation indicates sustained academic involvement.[4]

Conclusion

David Chepkonga represents a growing generation of African researchers contributing to computational mathematics and engineering analysis through applied scientific investigation. His research activities, publication portfolio, and commitment to higher education demonstrate continued engagement with interdisciplinary academic advancement. The Innovative Research Award recognizes scholarly contributions that support analytical problem-solving, engineering innovation, and scientific development within the broader academic and industrial community.

References

  1. Elsevier. (n.d.). Scopus author details: David Chepkonga, Author ID 59419267100. Scopus.
    https://www.scopus.com/authid/detail.uri?authorId=59419267100
  2. Chepkonga, D. (2019). Fluid flow and heat transfer through a vertical cylindrical collapsible tube in the presence of magnetic field and an obstacle. International Journal of Advances in Applied Mathematics and Mechanics
    web.archive.org
  3. Chepkonga, D. (2024). Modeling the spread of Mpox viral disease in African countries using a Bayesian hierarchical model. Commun. Math. Biol. Neurosci..
    https://scik.org/index.php/cmbn/article/view/8890
  4. Chepkonga, D. (2025). Optimizing Control Measures for a Vector-Host Epidemic Model: A Mathematical Analysis. Earth 
    https://www.researchgate.net/
  5. Chepkonga, D. (2024). Heat Transfer on a Non-Newtonian Hydromagnetic Fluid Flow through a Convergent Conduit with Chemical Reaction and Soret Effects.
    https://ijaamm.com/uploads/2/1/4/8/21481830/v12n1p6_57-69.pdf

Harun Mindivan | Titanium Alloy | Best Researcher Award

Prof. Dr. Harun Mindivan | Titanium Alloy | Best Researcher Award

Professor at Bilecik Seyh Edebali University | Turkey

This researcher has established a distinguished scientific profile in materials science and mechanical engineering, with a strong emphasis on tribology, surface modification, and advanced coating technologies. With 612 citations, 52 Scopus-indexed documents, and an h-index of 13, their research impact is well recognized within the global scientific community. Their work centers on developing high-performance materials and engineered surfaces capable of withstanding extreme mechanical, thermal, and corrosive environments. They have contributed extensively to the development of plasma-nitrided steels, electroless and electrochemical borided alloys, graphene-enhanced composite coatings, high-velocity oxy-fuel (HVOF) sprayed stainless steel coatings, and oxide-reinforced thin films. Through comprehensive analyses of microstructure–property relationships, the researcher advances understanding of wear mechanisms, tribocorrosion behavior, hardness enhancement, and coating adhesion in metallic systems. Their investigations on metal–matrix composites-such as carbon-nanotube-reinforced aluminum and magnesium-offer significant innovations in lightweight structural materials. Additional contributions include studies on surface optimization of titanium alloys, corrosion-resistant coatings, and improvements in machinability and mechanical integrity of industrial steels. Their research outputs are consistently published in reputable scientific journals indexed in Scopus and other major databases, demonstrating steady productivity and high citation engagement. By integrating experimental surface engineering methods with performance evaluation techniques, the researcher provides actionable scientific advancements that support the development of durable engineering materials. This strong publication record and sustained contribution across multiple material systems highlight the researcher’s ongoing significance and excellence in the field.

Profiles : Scopus | ORCID | Google Scholar

Featured Publications

Mindivan, H., Kayali, E. S., & Cimenoglu, H. (2008). Tribological behavior of squeeze cast aluminum matrix composites. Wear, 265(5–6), 645–654.

Mindivan, H., Efe, A., Kosatepe, A. H., & Kayali, E. S. (2014). Fabrication and characterization of carbon nanotube reinforced magnesium matrix composites. Applied Surface Science, 318, 234–243.

Mindivan, H., Çimenoğlu, H., & Kayali, E. S. (2003). Microstructures and wear properties of brass synchroniser rings. Wear, 254(5–6), 532–537.

Mindivan, H., Baydogan, M., Kayali, E. S., & Cimenoglu, H. (2005). Wear behaviour of 7039 aluminum alloy. Materials Characterization, 54(3), 263–269.

Mindivan, H. (2010). Reciprocal sliding wear behaviour of B₄C particulate reinforced aluminum alloy composites. Materials Letters, 64(3), 405–407.

Qian Li | Minerals Engineering | Pioneer Researcher Award

Prof. Qian Li | Minerals Engineering | Pioneer Researcher Award

Professor at University of South China | China

Prof. Qian Li, a distinguished scholar in biohydrometallurgy at the University of South China, has made exceptional contributions to understanding microbial processes in mineral engineering, particularly uranium bioleaching and residue stabilization. His research integrates microbiological mechanisms with mineral system engineering to address challenges in uranium extraction and environmental remediation. He has directed numerous national and provincial research projects focused on the behavior of iron/sulfur-oxidizing bacterial consortia, in-situ passivation of uranium residues, and eco-friendly leaching technologies. Prof. Li’s innovative studies on biogenic coatings, microbial oxidation, and nanobubble-assisted leaching have introduced new approaches to sustainable metal recovery and waste control. His extensive publication record exceeds 80 research articles in reputed journals including Journal of Hazardous Materials, Frontiers in Microbiology, and Journal of Cleaner Production, showcasing his interdisciplinary expertise and technical leadership. As documented in his Scopus profile, he has accumulated over 4,651 citations, 289 indexed documents, and an h-index of 39, underscoring his scientific impact and recognition within the international minerals engineering community. Through his pioneering work on microbial-mineral interactions, Prof. Li continues to advance the field toward cleaner and more efficient resource utilization, establishing himself as a leading figure in metallurgical and environmental biotechnology.

Profile : Scopus | ORCID | Google Scholar

Featured Publications

Li, S., Xiao, L., Sun, J., Li, Q., Li, G., Cui, Z., Li, T., & Zhou, X. (2025). Biogenic jarosite coating as an innovative passivator for acidic uranium residue stabilization using Acidithiobacillus ferrooxidans. Journal of Hazardous Materials, 471, 140229. DOI: 10.1016/j.jhazmat.2025.140229

Xiao, L., Li, S., Liu, X., Sun, J., Li, G., Cui, Z., Li, T., & Li, Q. (2024). Linked variations of bioleaching performance, extracellular polymeric substances (EPS) and passivation layer in the uranium bacterial-leaching system. Journal of Radioanalytical and Nuclear Chemistry, 334, 637–651. DOI: 10.1007/s10967-024-09851-6

Li, Q., Liu, X., Ma, J., Sun, J., Li, G., Cui, Z., & Li, T. (2023). Bidirectional effects of sulfur-oxidizer Acidithiobacillus thiooxidans in uranium bioleaching systems with or without sulfur by mixed acidophilic bacteria. Journal of Radioanalytical and Nuclear Chemistry, 332, 1787–1794. DOI: 10.1007/s10967-023-08841-4

Sun, J., Ma, J., Li, Q., Li, G., Shi, W., Yang, Y., Hu, P., & Guo, Z. (2022). Role of Fe/S ratios in the enhancement of uranium bioleaching from a complex uranium ore by Acidithiobacillus ferrooxidans and Acidithiobacillus thiooxidans consortium. Journal of Central South University, 29(12), 3858–3869. DOI: 10.1007/s11771-022-5216-1

Yang, Y., Li, Q., Li, G., Ma, J., Sun, J., Liu, X., Cui, Z., & Li, T. (2022). Depth-induced deviation of column bioleaching for uranium embedded in granite porphyry by defined mixed acidophilic bacteria. Journal of Radioanalytical and Nuclear Chemistry, 331, 3681–3692. DOI: 10.1007/s10967-022-08418-7

Chen, Z., Li, Q., Yang, Y., Sun, J., Li, G., Liu, X., Shu, S., Li, X., & Liao, H. (2022). Uranium removal from a radioactive contaminated soil by defined bioleaching bacteria. Journal of Radioanalytical and Nuclear Chemistry, 331, 439–449. DOI: 10.1007/s10967-021-08077-0

Galina Kasperovich | Foundry Industry | Best Metallurgical Engineering Award

Dr. Galina Kasperovich | Foundry Industry | Best Metallurgical Engineering Award

Scientific Associate at German Aerospace Center | Germany

Dr. Galina Kasperovich is an internationally recognized expert in materials science and metallurgy with more than four decades of research and academic contributions. Currently serving as a senior researcher at the German Aerospace Center (DLR) in Cologne, she specializes in the study of directional solidification of metallic alloys under both terrestrial and microgravity conditions, additive manufacturing, and thermophysical modeling. She holds dual university degrees in heat physics and foundry engineering, along with a Doctor of Engineering (Dr.-Ing.), which together underpin her multidisciplinary expertise bridging theoretical, experimental, and applied research. Her pioneering work in laser powder bed fusion (LPBF) of titanium and nickel alloys has advanced aerospace applications, particularly in turbine blade design and high-performance materials. She has authored numerous peer-reviewed publications and presented widely at international conferences, contributing significantly to the development of modern alloy processing. With 22 Scopus-indexed documents, 1704 citations, and an h-index of 10, her research has been widely acknowledged by the scientific community. Beyond technical expertise, Dr. Kasperovich has been instrumental in strengthening global collaborations in materials science, integrating simulation and experimental approaches to address complex challenges in metallurgical engineering. Her career demonstrates not only scholarly depth but also practical innovation, making her a leading figure in additive manufacturing and space-related material research. Through her work, she has influenced both academic knowledge and industrial applications, solidifying her reputation as a key contributor to the advancement of high-performance materials in aerospace and beyond.

Profile: Scopus | ORCID

Feautured Publications

Haubrich, J., Kasperovich, G., Gussone, J., Petersen, A., Schöffler, R., Lakemann, M., Ebel, P.-B., & Winkelmann, P. (2025, June). Advancing high-pressure turbine vane cooling through additive manufacturing: Insights from the 3DCeraTURB project. Proceedings of the ASME Turbo Expo Conference. Deutsches Zentrum für Luft- und Raumfahrt (DLR).

Kasperovich, G., Gussone, J., Besel, Y., Bartsch, M., & Haubrich, J. (2025, June). Optimizing mechanical performance of LPBF Inconel 718 for turbo-engine applications through tailored heat treatment and process parameter strategies. Proceedings of the ASME Turbo Expo Conference. Deutsches Zentrum für Luft- und Raumfahrt (DLR).

Müller, B. R., Kupsch, A., Laquai, R., Nellesen, J., Tillmann, W., Kasperovich, G., & Bruno, G. (2018). Microstructure characterisation of advanced materials via 2D and 3D X-ray refraction techniques. Materials Science Forum, 941, 2401–2406. Cited: 9

Kasperovich, G., Gussone, J., Bartsch, M., Haubrich, J., & Ebel, P.-B. (2025). Fuel thermal management and injector part design for LPBF manufacturing. Journal of Engineering for Gas Turbines and Power. Deutsches Zentrum für Luft- und Raumfahrt (DLR).

Kasperovich, G., Gussone, J., Besel, Y., Haubrich, J., & Bartsch, M. (2025). Tailoring the strength of Inconel 718: Insights into LPBF parameters and heat treatment synergy. Materials & Design. Deutsches Zentrum für Luft- und Raumfahrt (DLR). Cited: 6