Tri Hadi Mulyana, Y.; Samudera Febrian, R.; Ahmad Fahrezi, I.; Wulandari, S.; Dwi Prasetyo, S. Numerical Analysis of Thermal Distribution in a Solar-Powered Food Warming Prototype Utilizing PTC Heating Elements: A Comparative Study of Natural and Forced Convection in an Enclosed Chamber. Semarak Clim. Sci. Lett. 2026, 6, 32-48.