1. Technical College Northern Technical University Kirkuk Iraq
2. Al‐Amarah University College Maysan Iraq
3. Iraqi Ministry of Oil Midland Refineries Company Najaf Refinery Najaf Iraq
4. Department of Aeronautical Engineering Kumaraguru College of Technology Coimbatore Tamil Nadu India
5. Department of Physics Arak University Arak Iran
6. Department of Chemical Engineering Azarbaijan Shahid Madani University 35th KM Tabriz to Maraghe Road ‐ Tabriz Tabriz Iran
7. School of Engineering University of Plymouth Plymouth UK
8. Chemical Engineering and Petroleum Industries Department Al‐Mustaqbal University College Babylon Iraq