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LED STREET LIGHTING'S IMPACT ON SKY GLOW

机译:LED街灯对空中发光的影响

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摘要

Recently, there's been some concern as to whether LED street lighting is more likely to cause sky glow than conventional (typically, high-pressure sodium) street lighting. Compared to sodium light sources, LEDs do produce a larger portion of their output in shorter wavelengths, which scatter more readily in the atmosphere than do longer wavelengths. To further investigate this issue, the U.S. Department of Energy (DOE), together with experts in atmospheric scattering and astronomy, conducted a study of the expected contributions to sky glow from converting high-pressure sodium (HPS) street lighting to broader-spectrum (i.e., white light) sources, with specific focus on LEDs. The study's report, An Investigation of LED Street Lighting's Impact on Sky Glow, presents the contributions of LED conversions relative to HPS baseline conditions.
机译:最近,人们对LED街道照明是否比传统的(通常是高压钠)街道照明更容易引起天空发光感到担忧。与钠光源相比,LED确实会在较短的波长中产生更大一部分输出,与较长波长的波长相比,LED在大气中的散射更容易。为了进一步调查这个问题,美国能源部(DOE)与大气散射和天文学专家一起进行了一项研究,研究了将高压钠(HPS)街道照明转换为广谱对天空发光的预期贡献(例如白光)光源,特别是LED。该研究报告《 LED路灯对天光的影响研究》介绍了相对于HPS基准条件,LED转换的贡献。

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  • 来源
    《Lighting design + application》 |2017年第6期|16-18|共3页
  • 作者

    James Brodrick;

  • 作者单位

    U.S. Department of Energy, Building Technologies Office;

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  • 原文格式 PDF
  • 正文语种 eng
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