Table 3 Nanoparticles mean diameters and standard deviations at different days from their preparation by means of the homogenization method
From: Experimental stability analysis of different water-based nanofluids
Day from preparation | Diameter peak 1 (nm) | S.D. peak 1 | Diameter peak 2 (nm) | S.D. peak 2 | |
|---|---|---|---|---|---|
TiO2/PEG (wt.%) | |||||
0.01/0.02 | 1 | 198 | 0.8 | ||
5 | 166 | 3 | |||
15 | 268 | 6 | |||
16 | 159 | 1 | |||
0.1/0.2 | 1 | 161 | 2 | ||
4 | 130 | 1 | |||
16 | 81 | 0.7 | |||
1/2 | 1 | 132 | 0.7 | ||
5 | 123 | 1 | |||
15 | 88 | 0.5 | |||
16 | 86 | 0.4 | |||
SWCNH/SDS (wt.%) | |||||
0.01/0.01 | 1 | 109 | 0.6 | ||
5 | 131 | 2 | |||
15 | 106 | 1.4 | |||
0.01/0.03 | 1 | 129 | 7 | ||
5 | 105 | 0.3 | |||
15 | 131 | 0.6 | 4358 | 427 | |
0.1/0.1 | 1 | 101 | 0.4 | ||
5 | 106 | 0.9 | |||
15 | 115 | 0.6 | |||
1/1 | 1 | 183 | 5 | ||
5 | 293 | 105 | 4312 | 158 | |
15 | 261 | 18 | 3678 | 1503 | |