Dr. Puoza Julius Caesar

HOD, Department of Mechanical Engineering

P. O. Box 206, Sunyani


Senior Lecturer & HOD

Building Technology


Dr. Puoza Julius Caesar holds a PhD in Mechanical Engineering from the Jiangsu University – China, MSc Industrial Mathematics and BSc in Agricultural Engineering from the Kwame Nkrumah University of Science and Technology - Ghana. He worked as a Production Engineer at GRATIS Foundation-Ghana from 2005 to 2011 and as Lecturer from 2011 to 2018 in the Department of Mechanical Engineering at the Sunyani Technical University - Ghana. He is a Senior Lecturer in the Department of Mechanical Engineering from July 2018 to present and currently the Head of Department (HOD). His research interests are focused on the field of Design & Manufacturing Systems, Tribology, Mathematical Modelling and Energy Efficiency.

Languages Spoken
  1. English (Very Good)
  2. Dagaare (Very Good)
  3. Twi (Good)
  4. Chinese (Slight)


  1. Puoza, J. C. (2019). Experimental study on abrasive water-jet polishing of cemented carbide and polycrystalline diamond tools. International Journal of Abrasive Technology,9(3), 200-220. (Inderscience)
  2. Zhou, J., Dong, S.-K., He, Z.-H., Puoza, J.-L. C., & Zhang, Y.-H. (2019). Light absorption coefficients of ionic liquids under electric field. Chinese Physics B, 28(1), 017801. (IOPscience)
  3. Hua, X., Puoza, J. C., Zhang, P., & Sun, J. (2018). Friction properties and lubrication mechanism of self-lubricating composite solid lubricant on laser textured AISI 52100 surface in sliding contact. International Journal of Surface Science and Engineering, 12(3), 228-246. (Inderscience)
  4. Puoza, J. C., Hua, X., Liu, Q., Kang, Z., & Zhang, P. (2018). Manufacturing of microtextures on metals by nanosecond laser micromachining. Advances in Materials and Processing Technologies, 4(1), 86-99. (Taylor & Francis)
  5. Hua, X., Puoza, J. C., Zhang, P., Yin, B., Xie, X., & Din, J. Numerical Simulation and Experimental Analysis of Grease Friction Properties on Textured Surface. Iranian Journal of Science and Technology, Transactions of Mechanical Engineering, 1-13. (Springer)
  6. Puoza, J. C., Hua, X., Moro, A., Akayeti, A., & Baidoo, P. (2017). Assessment of Mechanical Properties, Residual Stresses and Diffusible Hydrogen of Longitudinal Weld in Electric Water Heater Tanks. Journal of Manufacturing and Materials Processing, 1(2), 19. (MDPI)
  7. Kang, Z., Fu, Y., Ji, J., & Puoza, J. C. (2017). Effect of local laser surface texturing on tribological performance of injection cam. The International Journal of Advanced Manufacturing Technology, 92(5-8), 1751-1760. (Springer)
  8. Hua, X., Puoza, J., Zhang, P., Xie, X., & Yin, B. (2017). Experimental Analysis of Grease Friction Properties on Sliding Textured Surfaces. Lubricants, 5(4), 42. (MDPI)
  9. Hua, X., Puoza, J. C., Sun, J., Zhang, P., Ji, J., Wang, H., . . . Kang, Z. (2017). Experimental analysis of friction and wear of laser microtextured surface filled with composite solid lubricant and lubricated with grease on sliding surfaces. Journal of Tribology, 139(2), 021609. (ASME)
  10. Puoza, J. C., Hua, X., Zhang, P., Xie, X., Ji, J., & Fu, Y. (2017). Laser processing parameter optimization and tribological characteristics of different surface treatment. The International Journal of Advanced Manufacturing Technology, 92(9-12), 3919- 3930. (Springer)
  11. Puoza, J. C., Opoku, F., & Aboagye, B. (2016). Development and testing of a motorized cassava fufu pounding machine. International Journal of Engineering & Technology, 5(1), 1.
  12. Puoza, J. C., Amponsah, S., & Agyeman, E. (2011). Simulated annealing in telecommunication network planning. Research Journal of Information Technology, 3(1), 6-13.

Invited Reviewer for local and international technical journals

  • Surface & Coatings Technology (Elsevier)
  • Lasers in Manufacturing and Materials Processing (Springer)
  • Applied Sciences (MDPI)
  • Journal of the Brazilian Society of Mechanical Sciences and Engineering (Springer)
  • International Journal of Surface Science and Engineering (Inderscience)
  • Science Progress (SAGE)
  • Energy Sources, Part A: Recovery, Utilization and Environmental Effects (Taylor & Francis)
  • Materials Today: Proceedings (Elsevier)
  • Applied Research Conference of Technical Universities and Polytechnics in Ghana-2019

Professional Qualifications

  • Certified Sustainable Energy Audit Professional (SEAP)
  • Ghana Institution of Engineering (GHIE) - Member
  • American Society of Mechanical Engineers (ASME) - Member

Teaching Experience

  • Manufacturing Technology
  • Automotive Manufacturing and Production Techniques
  • Automation, CNC Machines and Robotics
  • Refrigeration and Air conditioning
  • Engineering Mathematics


  • Team Leader: Curriculum development committee for the four years B.Tech. Programmes
  • Team Leader: Fabrication of fifty (50) Veronica bucket stands for the University to combat the COVID-19 pandemic
  • Team Leader: Free car diagnostics service to the University community