Prof. Abdullah Engin Özçelik is a full professor in the Department of Mechanical Engineering at Selçuk University, Konya, Turkey. He earned his Ph.D. in Mechanical Engineering from Selçuk University, where he currently teaches and supervises graduate students in the fields of applied mechanics and energy systems. Prof. Özçelik's research interests include tribology, internal combustion engines, alternative fuels, biolubricants, and thermal systems. Over the years, he has authored and co-authored numerous scientific papers published in peer-reviewed journals and presented at international conferences. He has also supervised many master's and doctoral theses in the field of mechanical engineering. He is a member of several national and international engineering societies and has received recognition for his academic and research contributions.