1. Technical Institute/Al-Rumaitha, Al-Furat Al-Awsat Technical University 1 , 31001 Najaf, Iraq
2. Engineering Technical College/Najaf, Al-Furat Al-Awsat Technical University 2 , 31001 Najaf, Iraq
3. Power Engineering Faculty Hydraulics, Hydraulic Machines, and Environmental Engineering Department, Polytechnic University of Bucharest 3 , Bucharest 060042, Romania
4. Candida Oancea Institute, Polytechnic University of Bucharest 4 , Spl. Independentei 313, Bucharest 060042, Romania