He Zong-Xu, Yan Wei-Wei, Zhang Kai, Yang Xiang-Long, Wei Yi-Kun. Simulation of effect of bottom heat source on natural convective heat transfer characteristics in a porous cavity by lattice Boltzmann methodJ. Acta Physica Sinica, 2017, 66(20): 204402. DOI: 10.7498/aps.66.204402