Table 7 Comparative study of the effect of temperature on the viscosity of HNLs relative to the base fluid at SVF = 0.05%
SR (s−1) | T (°C) | \(\Delta {\left({{\varvec{\mu}}}_{{\varvec{n}}-{\varvec{b}}}\right)}_{{\varvec{f}}}\) | \(\Delta {\left({{\varvec{\mu}}}_{{\varvec{n}}-{\varvec{b}}}\right)}_{{\varvec{f}}}\) | T (°C) |
|---|---|---|---|---|
MWCNT-Al2O3 (25%-75%) /10W40 | MWCNT-Al2O3 (30%-70%)/10W40 | |||
3999 | 5 | − 8.1 (− 1.85%) | 12.5(2.85%) | 5 |
15 | 0.7 | 10.7 | 15 | |
25 | 1.3 | 7.5 | 25 | |
35 | 2.5 | 6.2 | 35 | |
6665 | 35 | 1.5 | 4.5 | 35 |
45 | 1.1 | 4.6 | 45 | |
55 | 3.4 | 2.3 | 55 |