Table 2 Validation of numerical method.
From: Heat transfer enhancement in a parabolic trough collector using finned tubular absorber
DNI (Wm− 2) | Flow rate (L min− 1) | Vw (m s− 1) | Ta (°C) | Tin (°C ) | Tout (°C) (Experimental) | Tout (°C) (present study) | % error |
|---|---|---|---|---|---|---|---|
937.9 | 55.5 | 1 | 28.8 | 297.8 | 316.9 | 321.72 | 1.52 |
968.2 | 47.8 | 3.7 | 22.4 | 151 | 173.3 | 177.6 | 2.48 |
880.6 | 55.6 | 2.9 | 27.5 | 299 | 317.2 | 324.02 | 2.15 |
933.7 | 47.7 | 2.6 | 21.2 | 102.2 | 124 | 128.08 | 3.29 |
