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

Mahmoud Afshari | Direct Metal Deposition | Best Researcher Award

Dr. Mahmoud Afshari | Direct Metal Deposition | Best Researcher Award

Adjunct Professor at Ministry of Education of the Islamic Republic of Iran | Iran

Dr. Mahmoud Afshari’s research focuses on the integration of additive manufacturing, welding technologies, and composite materials design to advance high-precision fabrication methods in modern engineering. His body of work explores the mechanics, thermodynamics, and microstructural behavior of materials subjected to advanced manufacturing processes. Through the development of laser additive manufacturing models and friction stir welding simulations, Dr. Afshari has contributed to optimizing the thermal and mechanical performance of alloys such as Inconel 718, Ti-6Al-4V, and Al-Mg systems. His investigations have extended into polymer nanocomposites and fused filament fabrication (FFF), enhancing tensile modulus, hardness, and impact resistance through process-parameter optimization. His research outputs-comprising 30 Scopus-indexed publications with 168 citations and an h-index of 8-reflect rigorous experimentation combined with computational modeling. Notably, his recent articles in high-impact journals like Optics and Laser Technology, Journal of Molecular Structure, and Journal of Materials Science: Materials in Electronics highlight his expertise in material characterization, heat-transfer simulation, and nanostructure control. Alongside his scholarly publications, Dr. Afshari’s patents on advanced thermal systems and automated machinery demonstrate his applied research orientation and industry relevance. His scientific productivity, innovation in simulation-based design, and multidomain mastery exemplify excellence in metallurgical and manufacturing research, marking him as a strong candidate for the Best Researcher Award.

Profiles : Scopus | ORCID | Google Scholar

Featured Publications

Afshari, H., Taher, F., Alavi, S. A., Afshari, M., Samadi, M. R., & Allahyari, F. (2024). Studying the effects of FDM process parameters on the mechanical properties of parts produced from PLA using response surface methodology. Colloid and Polymer Science, 302(6), 955–970. Cited by: 26

Afshari, M., Bakhshi, S., Samadi, M. R., & Afshari, H. (2023). Optimizing the mechanical properties of TiO₂/PA12 nano-composites fabricated by SLS 3D printing. Polymer Engineering & Science, 63(1), 267–280. Cited by: 26

Afshari, M., Hamzekolaei, H. G., Mohammadi, N., Yazdanshenas, M., … (2023). Investigating the effect of laser cladding parameters on the microstructure, geometry and temperature changes of Inconel 718 superalloy using the numerical and experimental approaches. Materials Today Communications, 35, 106329. Cited by: 25

Taher, F., Afshari, M., Houmani, A., Samadi, M. R., Bakhshi, S., & Afshari, H. (2024). Simultaneous enhancement of the impact strength and tensile modulus of PP/EPDM/TiO₂ nanocomposite fabricated by fused filament fabrication. Colloid and Polymer Science, 302(3), 393–407. Cited by: 15

Hardani, H., Afshari, M., Samadi, M. R., Afshari, H., & López, S. A. (2025). An enhancement in the tensile modulus and bending resistance of polylactic acid/carbon nanotube composite by optimizing FFF process parameters. Journal of Thermoplastic Composite Materials, 38(4), 1379–1403. Cited by: 13