Research Article
Study on the Optical Properties of Triangular Cavity Absorber for Parabolic Trough Solar Concentrator
Table 2
The parameters of the orthogonal experiments.
| Factor | Level | 1 | 2 | 3 |
| : aperture width/mm | 68 | 70 | 72 | : depth-to-width ratio | 0.75 : 1.00 | 0.80 : 1.00 | 0.85 : 1.00 | : offset distance/mm | −15 | −10 | −5 |
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