Experimental Study on the Effect of Insertion of Copper Lessing Rings in Phase Change Material (PCM) on the Performance of Thermal Energy Storage Unit. Al-Khwarizmi Engineering Journal, [S. l.], v. 11, n. 4, p. 60–72, 2015. Disponível em: https://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/265.. Acesso em: 3 may. 2024.