Study of A Thermal Energy Storage System Using the Lattice Boltzmann Method Oussama El Mhamdi, Soumia Addakiri, ElAlami Semma and Mustapha El Alami E3S Web Conf., 321 (2021) 04003 Published online: 11 November 2021 DOI: 10.1051/e3sconf/202132104003