1. University of Technology and Applied Sciences, HCT, Muscat, Oman
2. Department of Mechanical Engineering, Faculty of Manufacturing, Institute of Technology, Hawassa University, Hawassa, Ethiopia
3. Mechanical Engineering, M.Kumarasamy College of Engineering, Karur, India
4. Department of Physics, K.Ramakrishnan College of Engineering, Samayapuram, Trichy 621112, Tamilnadu, India