1. Department of Mechanical Engineering, Afe Babalola University, Ado, Ekiti, Nigeria
2. Department of Mechanical Engineering Science, University of Johannesburg, Johannesurg, South Africa
3. Department of Mechanical Engineering, Nile University of Nigeria, Abuja, Nigeria
4. Department of Physics, Bowen University Iwo, Iwo, Nigeria
5. Department of Mechanical and Construction Engineering, Northumbria University Newcastle, England, UK