John Rajan | Optimization Techniques | Best Researcher Award

Dr. John Rajan | Optimization Techniques | Best Researcher Award

Vellore Institute of Technology, Chennai | India

Author Profile

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📌 Professional Summary

Prof. A. Johnrajan is an accomplished academician and researcher with over 26 years of teaching and research experience in Mechanical and Manufacturing Engineering. Currently serving as Professor at the School of Mechanical Engineering, VIT Chennai, he has made significant contributions in smart manufacturing, supply chain modeling, and sustainable engineering practices. His academic and leadership roles span top institutions like VIT Vellore and Sathyabama University.

🎓 Education

He earned his Ph.D. in Mechanical Engineering from Anna University, Chennai (2008) with a thesis on decision-making models for vendor evaluation. He holds a Master’s in Industrial Engineering from Thyagarajar College of Engineering (1994) and a Bachelor’s in Mechanical Engineering from National Engineering College (1990), following solid academic foundations at A.V. Hr. Sec. School, Paramakudy.

đź’Ľ Professional Experience

Prof. Johnrajan has held various senior academic positions, including Head of Department and Professor at Sathyabama University. He began his career as a Lecturer at Kalasalingam College of Engineering and Sathyabama Engineering College. His professional journey includes academic leadership, curriculum development, and collaborative research projects with government institutions like IGCAR, Kalpakkam.

📚 Academic Citations & Publications

He has authored 33 international journal papers, 4 national journals, and 36 conference papers, with 24 Scopus-indexed and 4 Web of Science publications. He is a recognized reviewer for journals like IEEE, Inderscience, and International Journal of Energy Research. His ResearchGate and Google Scholar profiles reflect impactful contributions to the engineering research community.

🛠️ Technical Skills

Skilled in simulation tools, manufacturing process optimization, quality control, and data analytics for smart systems. Expertise extends to IoT applications, Six Sigma, Blockchain for wastewater management, Industry 4.0, and Surface Engineering.

👨‍🏫 Teaching Experience

With a passion for pedagogy, he has delivered courses in Operations Research, Total Quality Management, Supply Chain Management, Production Planning, and IoT in Mechanical Engineering. He has mentored five Ph.D. scholars and is currently guiding two at VIT Chennai.

🔬 Research Interests

His interdisciplinary research covers smart manufacturing, supplier selection models, renewable energy systems, welding technology, blockchain applications, and solar PV technologies. He has published patents in blockchain-based mHealth data systems, industrial robotics, and big data analytics, with five more filings in progress.

🏅 Awards & Recognitions

Recipient of the National Merit Scholarship (1986–1990), he received the Best Faculty Award and Gold Medal from Sathyabama University in 2009 and Research Awards from VIT for his publications and patents in 2017 and 2019.

đź“–Publications

Promising Weld Depth of Penetration by Melting Point Depression Through TiOâ‚‚ Nano-Flux in Activated TIG Welding of Stainless Steel AISI 304L
  • Authors: M. Santhosh, A. John Rajan, T. Sampath Kumar, A. Vinoth Jebaraj, B. Kannan
    Journal: Transactions of the Indian Institute of Metals
    Year: 2025
Impact of Reverse Marangoni Convection and Arc Constriction on Flux-Based TIG Welding Processes of AISI 304L Stainless Steel
  • Authors: M. Santhosh, A. John Rajan, T. Sampath Kumar, A. Vinoth Jebaraj, B. Kannan
    Journal: Journal of Materials Research
    Year: 2024
 Vapour Polishing of Fused Deposition Modelling (FDM) Parts: A Critical Review of Different Techniques, and Subsequent Surface Finish and Mechanical Properties of the Post-Processed 3D-Printed Parts
  • Authors: Amal Mathew, S. Ram Kishore, Anchil Tona Tomy, M. Sugavaneswaran, Steffen G. Scholz, Ahmed Elkaseer, Vincent H. Wilson, A. John Rajan
    Journal: Progress in Additive Manufacturing
    Year: 2023
Challenges and Opportunities in Additive Manufacturing Polymer Technology: A Review Based on Optimization Perspective
  • Authors: S. Raja, A. John Rajan, Indran Suyambulingam
    Journal: Advances in Polymer Technology
    Year: 2023
A Decision-Making Model for Selection of the Suitable FDM Machine Using Fuzzy TOPSIS
  • Authors: S. Raja, A. John Rajan, Punit Gupta
    Journal: Mathematical Problems in Engineering
    Year: 2022

 

Evans Simpemba – Process Optimization – Best Researcher Award 

Mr. Evans Simpemba - Process Optimization - Best Researcher Award 

Kansanshi Mining Plc - Zambia

Author Profile

Early Academic Pursuits

Mr. Evans Simpemba embarked on his academic journey with a keen interest in the field of minerals and mining. His foundational education at Mpelembe Secondary School in Kitwe, Zambia, where he attained his Grade 12 High School Certificate, laid the groundwork for his future endeavors. Notably, he exhibited leadership qualities as a School Prefect, House Captain, Rugby Vice-Captain, and excelled as a Sportsman of the Year, showcasing a well-rounded personality even in his formative years.

His pursuit of knowledge continued as he earned a Bachelor of Mineral Sciences from The University of Zambia in Lusaka. This academic achievement provided him with a solid understanding of the fundamentals of mineral processing and metallurgy, setting the stage for his professional journey in the mining industry.

Professional Endeavors

Mr. Simpemba's professional journey commenced with roles that allowed him to apply his academic knowledge practically. Starting as an Intern Metallurgist at First Quantum Minerals Kansanshi Mining Plc, he gained hands-on experience in laboratory flotation tests, optimizing metallurgical performance, and familiarizing himself with processing plant operations.

Progressing through various roles within the same organization, he demonstrated a consistent commitment to excellence. From Project Metallurgist, where he championed the commissioning of cutting-edge bulk ore sorting technology, to his current position as Plant Metallurgist - Operations, overseeing the daily operations of a concentrator process plant, Simpemba has continually pushed the boundaries of innovation and efficiency in mineral processing operations.

Contributions and Research Focus

Throughout his career, Simpemba has been dedicated to enhancing process efficiency and optimizing flotation operations. His expertise spans a wide range of areas, including flotation optimization, data analysis, project supervision, and troubleshooting. Noteworthy contributions include spearheading flotation plant surveys for process optimization, conducting reagent trials to improve recovery rates, and training interns to ensure the transfer of knowledge within the organization.

Moreover, his involvement in projects such as the Sulphide circuit S3 expansion project and the commissioning of NextOre's MRA bulk ore sorting technology underscores his commitment to embracing technological advancements in the mining industry. Simpemba's research focus lies in continuously improving process efficiency, enhancing product quality, and implementing sustainable practices within mineral processing operations.

Accolades and Recognition

Mr. Simpemba's dedication and expertise have not gone unnoticed within the industry. He has received recognition for his contributions to plant safety, process optimization, and project management. His ability to foster a collaborative work environment, train and mentor interns, and effectively manage daily operations has earned him the respect and admiration of his peers and superiors alike.

Impact and Influence

As a dependable Metallurgist with a high level of integrity, Simpemba has made a significant impact on the organizations he has been a part of. Through his proactive approach to problem-solving, attention to detail, and commitment to continuous improvement, he has played a pivotal role in optimizing plant performance, maximizing efficiency, and ensuring adherence to safety standards.

Legacy and Future Contributions

Looking ahead, Simpemba's legacy lies in his dedication to excellence, innovation, and professionalism in the field of metallurgy and mineral processing. His commitment to pushing the boundaries of what is possible in terms of process optimization and technological advancement sets a high standard for future generations of metallurgists. As he continues to grow and evolve in his career, his focus on delivering exceptional quality service and driving positive change within the industry will undoubtedly leave a lasting impact on the field of mining and metallurgy.

Notable Publication