1. Mechanical Engineering Department, College of Engineering, University of Al-Qadisiyah, Al-Qadisiyah, Iraq
2. Chemical Engineering and Petroleum Industries Department, College of Engineering and Technologies, Al-Mustaqbal University, Hillah, Babylon, Iraq
3. Oil Pipelines Company, Ministry of Oil, Baghdad, Daura, Iraq
4. Mechanical Power Techniques Engineering Department, College of Engineering and Technology, Al-Mustaqbal University, Hillah, Babylon Province, Iraq