Abstract
The existing tunnel lighting calculation methods only consider the effect caused by direct light source and ignores the reflection effect of light flux emitted by lamps inside the tunnel closed pipe, which is not conducive to the energy saving and safety of tunnel lighting.In this paper, a tunnel illumination calculation method considering the reflection increment of tunnel sidewall is proposed. This method is based on the diffuse reflection coefficient of tunnel sidewall material which can characterize the reflection characteristic of its surface, so as to calculate the illuminance of road surface.Matlab software was used to simulate the real lighting environment of the tunnel with energy storage luminescent material as the side wall. It was found that the increase of reflection caused by high-quality tunnel interior materials could effectively improve the tunnel lighting
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