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Mercury-Free HID Headlamps: Glare and Color Rendering.
| 题名： | Mercury-Free HID Headlamps: Glare and Color Rendering. |
| 作者： | sivak, m. schoettle, b. flannagan, m. j. |
| 关键词： | headlamps,glare,color vision,mercury-free lamps |
| 摘要： | This study examined the potential effects of the spectral power distributions of mercury-free high-intensity discharge (HID) headlamps on discomfort glare for oncoming drivers and on color rendering of retro reflective traffic materials. In both cases, the effects of mercury-free HID light sources were compared to the changes in these properties that occurred when the tungsten-halogen light sources were replaced with traditional (mercury containing) HID light sources. Specifically, the effect on discomfort glare was estimated by comparing the chromaticity of 9 mercury-free headlamps with the chromaticity of 17 traditional HID headlamps. Analogously, the effects on color rendering were comparing the chromaticities of 46 retro reflective materials when illuminated by the mercury-free headlamps with the chromaticity of the same materials when illuminated by the traditional HID headlamps. |
| 报告类型： | 科技报告 |
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