Mohamed Said Kahaleras obtained his Ph.D. in Energy Engineering from the Femto-ST Institute of Energy Research, Belfort, France, in 2016. He is currently a lecturer and researcher at the National Higher School of Technology and Engineering in Annaba, Algeria, where he has been serving since 2022. He previously worked as a lecturer and researcher at the Institut de Biomécanique Humaine Georges Charpak–Université Sorbonne Paris Nord (France) from September 2021 to August 2022 and at the École d’ingénieurs Polytech Orléans (France). His research interests include renewable energy systems, numerical optimization, turbulent heat transfer, nanofluids, phase change materials, and the thermal design of Stirling engine regenerators. ‪KAHALERAS Mohamed Said—Google Scholar https://scholar.google.com/citations?user=XyAWswEAAAAJ&hl=fr