Research Article
Mathematical Model for Energy and Exergy-Based Simulation of Triangular Solar Energy Extractor for Air Heating Applications
Table 1
Particulars of reported research on artificially roughened triangular duct solar air heater.
| Roughness design | Heat transfer and friction factor analysis | First law based energy and effective thermal performance | Second law based exergy analysis |
| Dimple shape | Goel et al. [9] | ✕ | ✕ | Straight semi-circular rib | Kumar et al. [10] | Kumar et al. [22] | Kumar et al. [22] | Straight circular rib | Kumar et al. [11] | ✕ | ✕ | Straight rectangular rib | Kumar et al. [12] | ✕ | Nidhul et al. [21] | Inclined circular rib | Bharadwaj et al. [13] | ✕ | ✕ | Inclined broken square rib | Jain et al. [18] | ✕ | ✕ | V rib | Nidhul et al. [19] | ✕ | Nidhul et al. [19] | V rib with multiple gap | Misra et al. [20] | ✕ | ✕ |
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