Flow Topology of Turbulent Natural and Forced Convection in a Vertical Channel Behind a Photovoltaic Panel: Numerical StudyZineb Ouaoua, Kaoutar Khallaki, Khadija Choukairy and Hafid El KharazEPJ Web Conf., 371 (2026) 01016DOI: https://doi.org/10.1051/epjconf/202637101016