Why the Stadium light pole is so high
I believe many people do not understand why the light pole is so high. The light poles are shorter and the lights are closer to the ground, which will definitely make the stadium brighter. This involves another requirement of stadium lighting-glare index. Simply put, glare is the glare of light. Take an 11-a-side football stadium with a track this time, usually four large light poles with rows of high-power lights hung on them. Just imagine, if you shorten the light pole to the same height as you, then you will definitely not dare to look at it. No one can stand the high-powered lamp directly illuminating the eyes. How to reduce the power of the lamp? That would result in insufficient light in the center of the stadium, after all, the 11-a-side football field is too big. According to experience, in order to avoid glare, the higher the illuminance, not only the higher the power of the stadium lighting, but also the higher the height of the pole. For example, some track and field light poles are 35 meters high, which is equivalent to a 9-story building.
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