1. Assistant Professor, National Engineering School of Gafsa, Researcher in the Laboratory of Thermal and Thermodynamics of Industrial Processes, National Engineering School of Monastir, route de Ouardanine, 5000 Monastir, Tunisia (corresponding author).
2. Professor, Dept. of Energy Engineering, National Engineering School of MONASTIR, route de Ouardanine, 5000 Monastir, Tunisia.
3. Professor, Dept. of Mechanics, Aix-Marseille Univ., CNRS, IUSTI, 13453 Marseille, France.