Insights into the Enhancement Mechanisms of Molten Salt Nanofluids

Table 4

Thermal conductivity and thermal diffusivity of base salt, SiO₂-nfs, and MgO-nfs.

Material		525 °C	550 °C	600 °C	650 °C	700 °C
Base salt	α (mm^2/s)	0.207	0.212	0.230	0.223	0.217
	λ (W/(m·K))	0.641	0.651	0.700	0.671	0.644
MgO-nfs	α (mm^2/s)	0.242	0.236	0.239	0.250	0.248
	λ (W/(m·K))	0.997	0.967	0.969	1.002	0.983
	Enhancement (%)	55.7	48.6	38.4	49.3	52.5
SiO2-nfs	α (mm^2/s)	0.218	0.215	0.243	0.230	0.234
	λ (W/(m·K))	0.807	0.793	0.885	0.830	0.835
	Enhancement (%)	26.0	21.9	26.4	23.7	29.6