Design of Solar Optical Fiber Lighting System for Enhanced Lighting in Highway Tunnel Threshold Zone: A Case Study of Huashuyan Tunnel in China

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td align="left">Length of optical fiber</td><td align="center">10 m</td><td align="center">15 m</td><td align="center">20 m</td><td align="center">25 m</td><td align="center">30 m</td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td align="left">Transmission efficiency</td><td align="center">95.50%</td><td align="center">93.33%</td><td align="center">91.20%</td><td align="center">89.13%</td><td align="center">87.10%</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

The transmission efficiency of the optical fiber at different length.

International Journal of Photoenergy

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Table 5

Table 5: Design of Solar Optical Fiber Lighting System for Enhanced Lighting in Highway Tunnel Threshold Zone: A Case Study of Huashuyan Tunnel in China 

Table 5 | Design of Solar Optical Fiber Lighting System for Enhanced Lighting in Highway Tunnel Threshold Zone: A Case Study of Huashuyan Tunnel in China 