1. Department of Materials, and Energy Sciences and Engineering, The Nelson Mandela African Institution of Science and Technology, P.O. Box 447, Arusha 23000, Tanzania
2. African Center of Excellence for Water Infrastructure and Sustainable Energy Futures (WISE-Futures), The Nelson Mandela African Institution of Science and Technology, P.O. Box 9124, Arusha 23000, Tanzania
3. Department of Petroleum and Energy Engineering, The University of Dodoma, P.O. Box 11090, Dodoma 41000 Tanzania
4. Department of Mechanical and Aerospace Engineering, Carleton University, 1125 Colonel By Dr, Ottawa, Ontario K1S 5B6, Canada