Comparison of the Finite Volume and Lattice Boltzmann Methods for Solving Natural Convection Heat Transfer Problems inside Cavities and Enclosures

Table 1

Grid independence tests (FVM and QUICK/SIMPLEC).

Number of grids	15987	31974	47961	63948	Experimental value  [32]
Maximum X-velocity	0.001	0.001	0.0012	0.0012	—
Dimensionless temperature at the middle of the cavity	0.460	0.465	0.489	0.493	0.51