Table 2 Skin coefficient numerical values for rotational \(R_{o}\) and porosity parameters \(\lambda\).
\(R_{o}\) (graphene-Ag/H2O) | Lower wall \(f^{\prime\prime}\left( 0 \right)\) | Upper wall \(f^{\prime\prime}\left( 1 \right)\) | \(R_{o}\)(graphene-CuO/H2O) | Lower wall \(f^{\prime\prime}\left( 0 \right)\) | Upper wall \(f^{\prime\prime}\left( 1 \right)\) |
|---|---|---|---|---|---|
5 | 10.0510 | −1.8350 | 5 | 8.8710 | −1.5371 |
7 | 10.9110 | −1.6690 | 7 | 9.7551 | −1.3701 |
9 | 11.8900 | −1.4920 | 9 | 10.7610 | −1.2021 |
11 | 11.9912 | −1.3241 | 11 | 11.8101 | −1.0498 |
\(\lambda\) (graphene-Ag/H2O) | Lower wall \(f^{\prime\prime}\left( 0 \right)\) | Upper wall \(f^{\prime\prime}\left( 1 \right)\) | \(\lambda\)(graphene-CuO/H2O) | Lower wall \(f^{\prime\prime}\left( 0 \right)\) | Upper wall \(f^{\prime\prime}\left( 1 \right)\) |
|---|---|---|---|---|---|
10 | 9.6312 | −1.7531 | 10 | 8.8710 | −1.4820 |
15 | 9.5671 | −1.6921 | 15 | 8.8610 | −1.4340 |
20 | 9.5390 | −1.6271 | 20 | 8.8490 | −1.3820 |
25 | 9.5361 | −1.5591 | 25 | 8.8390 | −1.3260 |
