Analysis of the Performance Characteristics of ZnO Nanoparticles’ Dispersed Polyester Oil

Table 5

S/N ratio and means for thermal conductivity (ball-milled process).

S/N ratios				Means
Level	Temperature	Concentration	Sonication time	Temperature	Concentration	Sonication time
1	−15.33	−15.19	−14.63	0.1713	0.1743	0.1867
2	−14.92	−14.51	−14.67	0.1797	0.1887	0.1857
3	−13.80	−14.35	−14.75	0.2043	0.1923	0.1830
Delta	1.52	0.85	0.13	0.0330	0.0180	0.0037
Rank	1	2	3	1	2	3