Dr. Samuel Macharia
Senior Lecturer, Applied Mathematics
samuel.macharia@zetech.ac.ke
1. Doctor of Philosophy (Ph.D.) in Mathematics (Computational Option), 2021 – Pan African University (PAUSTI), Kenya.
2. Master of Science in in Mathematics (Computational Option), 2014 - Pan African University (PAUSTI), Kenya.
3. B. Sc. in Mathematics (Pure and Applied), 2011 - Kenyatta University, Nairobi Kenya.
1. Senior Lecturer & Progamme Leader, Department of Education, Arts and Social Sciences, Zetech University – Jan 2025 to Date
2. Lecturer, Department of Education, Arts and Social Sciences, Zetech University – Feb 2021 to Dec 2024
3. Tutorial Fellow, Department ICT and Engineering - Zetech University, April 2019 – Jan 2021
4. High School Teacher – World Hope Senior School, Jan 2011– Dec 2012
Journals
1. Karimi S. (2024). A Mathematical Model of Elastohydrodynamic Lubrication in a Rolling Bearing. Zetech Journal of Business and Technology. Vol. 1 No. 1.
https://journals.zetech.ac.ke/index.php/zjbt/article/view/72.
2. Wachira, D., Kibas, P., and Macharia, S. (2024). Effect of Entrepreneurship Skills Training on Agricultural Production: A Study on Small-Holder Coffee Farmers In Kenya. Journal Integration of Management Studies, 2(2), 255263.
https://doi.org/10.58229/jims.v2i2.264.
3. Kandie J.M., Arani W., Macharia S. (2024). Influence of Electronic Procurement Tools on Procurement Performance; a Case Study of Kenya Bureau of Standards. International Journal of Research Publication and Reviews, Vol. 5, no 10, pp 5108- 5113 October 2024.
4. Karimi S.M. (2022). Unsteady MHD Flow of a Fluid Past a Rotating Semi-InfinitenPlate with Inclined Magnetic Field. Journal of Advances in Mathematics and Computer Science.DOI:10.9734/jamcs/2022/v37i330439
5. Karimi S.M. and Gathungu D.K. (2021). Power Law Fluid Model for Thermal Elastohydrodynamic Lubrication. Journal of Advances in Mathematics and Computer Science. 36(9), pp. 56-71. DOI: 10.9734/jamcs/2021/v36i930404
6. Karimi S.M. (2021). Numerical investigations of MHD flow past a semi-infinite vertical plate with inclined magnetic field. International Journal of Research and Reviews in Applied Sciences. Vol. 46, (1) Jan-Mar. 2021, pp. 69-77.
7. Karimi S.M., Kimathi M. and Kinyanjui M.N. (2020). Numerical Solution of Elas- tohydrodynamic Lubrication for Sliding/Rolling Bearing for Non-Newtonian
Lubricant. American Journal of Applied Mathematics. Vol. 8, No. 5, pp. 257-264. doi: 10.11648/j.ajam.20200805.13
8. Karimi S.M., Kinyanjui M.N., Kimathi M. (2020). Surface Roughness and Density Effects in Thermal Elastohydrodynamic Lubrication Point Contacts. American Journal of Mathematical and Computer Modelling. Vol. 5, No. 3, pp. 89-96. doi:10.11648/j.ajmcm.20200503.15.
9. Karimi S.M. (2020). A Mathematical model of Fluid Flow in an Open Trapezoidal Channel with Lateral Inflow Channel. International Journal of Sciences: Basic and Applied Research (IJSBAR), Vol. 54, No 3, 174-182.
10. Karimi S.M., Theuri D. and Kinyanjui M. (2014). Modelling Fluid Flow in an Open Rectangular Channel with Lateral Inflow Channel. International Journal of Sciences: Basic and Applied Research (IJSBAR), Vol 17, No 1, 186-193
conference papers
1. Postgraduate workshop facilitation at Zetech University Technology Park Mang’u Campus, 2024.
2. Zetech Journal of Business and technology Reviewers Training at Zetech University, 2024.
3. Completed a course in the postgraduate supervision training under DAAD in 2023. Participated in the pedagogy training (better ways to conduct classroom lecturers) at Zetech University in 2023.
4. Completed in Competency-based curriculum training held at Zetech university in 2022.
5. Participated in training on setting and moderation of online exams held at Zetech University in 2022.
Non Peer-Reviewed Research Papers
1. Kandie J.M and Karimi S.M. (2025). Influence of E-procurement on the performance of KEBS in Kenya. International Journal of Social Sciences Management and Entrepreneurship (IJSSME).
2. Kuria P.K., Otieno W. and Macharia S. (2025). The impact of strategic decision- making on the performance of social development institutions (a case of self- help groups in Nairobi, Kenya). Zetech Journal of Business and Technology.