A faculty member from the Department of Mechanical Engineering in the Faculty of Engineering, Assistant Professor Dr. Ahmed Nema Mahdi, participated in the Ph.D. dissertation discussion committee in the Department of Mechanical Engineering at the University of Technology in Baghdad on Thursday (09/02/2023). The dissertation was submitted by the PhD student Ihab Omar Abbas under the supervision of Prof. Dr. Ahmed Abdel Mohamed Saleh and it is entitled “Experimental and Theoretical Study of Multistage Solar Bubble Pump”