Research Article
Sensitive Analysis for the Efficiency of a Parabolic Trough Solar Collector Based on Orthogonal Experiment
Table 3
Experimental program.
| | Number | Pipe length
(m) | Condensation area
(m) | Diameter
(mm) | Solar radiation intensity
(W/m2) | Ambient temperature
(°C) | Flow rate
(m/s) | Inlet temperature
(°C) |
| | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | | 2 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | | 3 | 1 | 3 | 3 | 3 | 3 | 3 | 3 | | 4 | 2 | 1 | 1 | 2 | 2 | 3 | 3 | | 5 | 2 | 2 | 2 | 3 | 3 | 1 | 1 | | 6 | 2 | 3 | 3 | 1 | 1 | 2 | 2 | | 7 | 3 | 1 | 2 | 1 | 3 | 2 | 3 | | 8 | 3 | 2 | 3 | 2 | 1 | 3 | 1 | | 9 | 3 | 3 | 1 | 3 | 2 | 1 | 2 | | 10 | 1 | 1 | 3 | 3 | 2 | 2 | 1 | | 11 | 1 | 2 | 1 | 1 | 3 | 3 | 2 | | 12 | 1 | 3 | 2 | 2 | 1 | 1 | 3 | | 13 | 2 | 1 | 2 | 3 | 1 | 3 | 2 | | 14 | 2 | 2 | 3 | 1 | 2 | 1 | 3 | | 15 | 2 | 3 | 1 | 2 | 3 | 2 | 1 | | 16 | 3 | 1 | 3 | 2 | 3 | 1 | 2 | | 17 | 3 | 2 | 1 | 3 | 1 | 2 | 3 | | 18 | 3 | 3 | 2 | 1 | 2 | 3 | 1 |
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