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

Zewen Li | Nickel Slag | Best Researcher Award

Mr. Zewen Li | Nickel Slag | Best Researcher Award

Xi’an University of Architecture and Technology | China

Mr. Zewen Li is a dedicated researcher at Xi’an University of Architecture and Technology, specializing in sustainable metallurgical processes. His work focuses on the resource utilization of metallurgical solid waste, particularly in the reductive recovery and diversified application of nickel slag. With a strong passion for green metallurgy, Zewen has contributed to advancing environmentally friendly approaches to metal recovery while exploring new uses for industrial by-products. His academic endeavors include authoring impactful publications, such as a review in Minerals Engineering that highlights the extraction of valuable metals and the potential of nickel slag in various material applications. Zewen is committed to integrating scientific research with industrial practice to promote circular economy principles and reduce environmental impact. As a young professional, he strives to advance metallurgical innovation, aiming to develop cleaner, safer, and more efficient technologies for the sustainable management of critical resources.

Professional Profile

Scopus

Education

Mr. Zewen Li pursued his higher education at Xi’an University of Architecture and Technology, where he developed a strong foundation in metallurgical engineering. His academic training emphasized the theoretical and applied aspects of metallurgy, with particular attention to solid waste resource recovery and sustainable metal extraction. During his studies, he actively engaged in research projects centered on the utilization of nickel slag, gaining expertise in analyzing its physical and chemical properties, as well as its potential for industrial reuse. His education provided him with a deep understanding of chemical thermodynamics, extractive metallurgy, and material characterization techniques. Through rigorous coursework, laboratory work, and collaborative projects, Zewen honed his ability to integrate scientific knowledge with practical industrial applications. This educational background not only equipped him with specialized knowledge in non-ferrous metallurgy but also cultivated his research-oriented mindset, enabling him to contribute meaningfully to the growing field of sustainable metallurgical processes.

Experience

Mr. Zewen Li’s professional and research experience has centered on the efficient recovery and sustainable utilization of metallurgical solid waste, with a strong focus on nickel slag. At Xi’an University of Architecture and Technology, he has undertaken significant research projects, including his notable publication “Diversified Utilization of Nickel Slag: A Review” in Minerals Engineering. His work systematically analyzed methods of extracting valuable metals such as iron, nickel, cobalt, and copper from nickel slag and investigated applications in gelling materials, glass ceramics, and material-related industries. Beyond laboratory research, Zewen has contributed to understanding the broader implications of waste valorization in metallurgical industries by reviewing and proposing strategies for combining nickel slag recovery with battery recycling and secondary waste management. His experience reflects both technical expertise and innovative thinking in sustainable metallurgy. This professional trajectory highlights his commitment to addressing environmental challenges and developing efficient, eco-friendly solutions for industrial waste management.

Research Focus

Mr. Zewen Li’s research is primarily focused on the sustainable utilization of metallurgical solid waste, with particular emphasis on nickel slag. His work aims to explore the dual goals of resource recovery and environmental protection by investigating eco-friendly processes for extracting valuable metals such as Fe, Ni, Co, and Cu. He is also deeply interested in the potential applications of nickel slag in materials science, including its use in gelling agents, glass ceramics, and construction materials. His studies address both the theoretical mechanisms, including leaching, weathering process strengthening, and solvent extraction, and the practical industrial feasibility of these methods. Additionally, he considers the integration of nickel slag recycling with other waste management systems, such as battery recycling and secondary waste utilization, thereby contributing to broader strategies of sustainable resource management. His research reflects a holistic view of metallurgy, balancing technological innovation with environmental responsibility to promote circular economy practices.

Publication top Notes

Title: Diversified Utilization of Nickel Slag: A Review

Year: 2025

Conclusion

Mr. Zewen Li’s research demonstrates a commendable commitment to addressing pressing environmental and industrial challenges through sustainable metallurgical practices. His focused work on the comprehensive utilization of nickel slag reflects both academic insight and awareness of real-world applications. While his current achievements illustrate strong potential and emerging expertise, the scope and maturity of his portfolio are still developing. For the Best Researcher Award, which typically honors individuals with a sustained record of impactful innovations and broader academic leadership, further scholarly contributions and practical implementations would enhance his competitiveness. Nonetheless, his trajectory indicates significant promise, and he stands out as a valuable contributor to the next generation of metallurgical researchers, well-suited for early-career recognition and future leadership in the field.