Fahlovi, Oldy, and Zeluyvenca Avista. “Empirical Investigation of the Efficiency of Heat Pipe Heat Exchanger As a Preheater in the Regeneration System of Liquid Calcium Chloride (CaCl2)”. International Journal of Mechanics, Energy Engineering and Applied Science (IJMEAS), vol. 2, no. 1, Jan. 2024, pp. 1-7, doi:10.53893/ijmeas.v2i1.231.