Heat Transfer and Ablation Prediction of Carbon/Carbon Composites in a Hypersonic Environment Using Fluid-Thermal-Ablation Multiphysical Coupling

Table 2

Different groups of grids.

Item	Grid spacing of the first layer near the wall (m)	Maximum grid spacing (m)	Total cell numbers
Coarse (unrefined)	0.001	0.005	1856
Medium	0.0005	0.0034	5251
Fine	0.0002	0.0019	10502