Impact of LED Color Temperatures on Perception Luminance in the Interior Zone of a Tunnel considering Fog Transmittance

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Luminance without fog (<i>L</i>)</td><td class="align_center">CCT</td><td class="align_center">Transmittance (<i>T</i>)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">1cd/m<sup>2</sup>, 2 cd/m<sup>2</sup>, 3 cd/m<sup>2</sup>, 4 cd/m<sup>2</sup></td><td class="align_left">3000K, 3500K, 4000K, 4500K, 5000K, 5700K, 6500K</td><td class="align_left">20%, 40%, 60%, 80%, 100%</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Advances in Civil Engineering

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Table 2

Table 2: Impact of LED Color Temperatures on Perception Luminance in the Interior Zone of a Tunnel considering Fog Transmittance 