Review Article
Solar Lighting Technologies for Highway Green Rest Areas in China: Energy Saving Economic and Environmental Evaluation
Table 2
The illuminance value of natural light guidance systems in the visitor centre.
| | Surface | (%) | Average illuminance (xl) | Minimum illuminance (xl) | Maximum illuminance (xl) | Minimum illuminance/average illuminance |
| | Working surface (0.85 m) | / | 201 | 70 | 268 | 0.348 | | Floor | 20 | 194 | 77 | 252 | 0.395 | | Ceiling | 70 | 39 | 26 | 46 | 0.680 | | Wall | 50 | 81 | 27 | 207 | / |
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