Comparison of enthalpy-porosity and lattice Boltzmann-phase field techniques for the simulation of the heat transfer and melting processes in LHTES devicesVesselin Krassimirov Krastev and Giacomo FalcucciE3S Web Conf., 312 (2021) 01002DOI: https://doi.org/10.1051/e3sconf/202131201002