Table 7.

Calculated results of predicted effective thermal conductivity of three-dimensional gradient random porous materials based on Voronoi division.

Structure	Porosity (%)	Predicted Results (Wm${}^{-1}$K${}^{-1}$)	Relative Error (%)
	95.08	0.134	−0.00
	92.12	0.221	−0.90
GV2	88.99	0.326	−2.98
	85.91	0.418	−4.57
	83.01	0.511	−6.07
	94.98	0.143	−0.67
	91.99	0.232	−1.22
GV3	89.09	0.329	−3.12
	86.03	0.434	−4.03
	83.00	0.547	−6.66
	94.96	0.145	−5.81
	92.04	0.234	−6.00
GV4	89.01	0.336	−7.63
	85.94	0.445	−8.42
	82.94	0.557	−8.77