Open Access
Table 1
Thermal analysis parameters.
| Assumed parameters | Assumed data |
|---|---|
| Length of the cavity receiver (a) | 0.125 (m) |
| Inlet temperature of the thermal oil (Tinlet,0) | 50 (°C) |
Mass flow rate of the thermal oil ( ) |
0.01 (kg s−1) |
| Average surrounding temperature (Tamb) | 26 (°C) |
| Atmospheric pressure (P) | 84 (kPa) |
| Emissivity of the black chromium coating (ε) | 0.2 |
| Dish concentrator diameter (D) | 1.8 (m) |
| Variable parameters | Investigated data |
| Tube diameters (d) | 10, 22, and 35 mm |
| Cavity depths (h) | 0.5a, 0.75a, 1a, 1.5a, and 2a |
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