1. Research Laboratory of Metrology and Energy Systems, National Engineering School, Energy Engineering Department, Monastir University, Monastir City, Tunisia;
2. Department of Physics, College of Sciences, King Khalid University, Abha, Saudi Arabia;
3. Higher school of Sciences and Technology, Sousse University, Hammam Sousse, Tunisia;
4. Department of Mechanical Engineering, College of Engineering, King Khalid University, Abha, Saudi Arabia