Dr. Hayder I. Mohammed is a faculty member in the Physics Department at the College of Education, University of Garmian. He holds a Ph.D. in Mechanical Engineering from the University of Nottingham, UK, an MSc in Mechanical Engineering from the University of Baghdad, Iraq, and a BSc in Nuclear Engineering from the University of Baghdad. Dr. Mohammed has an extensive publication record in high-ranking journals and serves on the editorial board for Passar Journal and the Journal of New Energy Developments. He has also been acknowledged as a member of the Elsevier Reviews platform by the International Journal of Heat and Mass Transfer. Dr. Mohammed's research interests encompass a wide range of topics, including Fluid Mechanics, Multiphase Flow, Heat Transfer (convection & conduction), Thermodynamics, Phase Change, Nanoparticles and nanofluid, Turbulent and Laminar Flows, Computational Fluid Dynamics (CFD), Numerical Modeling, Refrigeration Systems, Boiling (flow & pool) processes, Multiphase Boiling, Condensation Process, Evaporation Process, and Heat Exchangers.