1. Hawassa University, College of Natural and Computational Sciences, Physics Department, Hawassa, Ethiopia
2. Dambi Dollo University, College of Natural and Computational Science, Department of Physics, Ethiopia
3. Centre for Excellence-Indigenous Knowledge, Innovative Technology Transfer and Entrepreneurship, Dambi Dollo University, Ethiopia
4. Department of Mechanical Engineering, ULTRA College of Engineering and Technology, Madurai - 625 104, Tamilnadu, India
5. Department of Mechanical Engineering, College of Engineering, Dambi Dollo University, Ethiopia