Table 1 Nusselt number parameters
From: Uncertainty analysis of dynamic thermal rating based on environmental parameter estimation
Surface roughness | Reynolds range | B 1 | n |
|---|---|---|---|
Various surface | (102,2.65 × 103) | 0.641 | 0.471 |
Rf ≤ 0.05 | (2.65 × 103,5 × 104) | 0.178 | 0.633 |
Rf > 0.05 | (2.65 × 103,5 × 104) | 0.048 | 0.800 |