| 金卤灯的钠损失 |
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| 引用本文： | 黄华,徐炜俊,何国兴. 金卤灯的钠损失[J]. 照明工程学报, 2008, 19(3): 30-33 |
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| 作者姓名： | 黄华 徐炜俊 何国兴 |
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| 作者单位： | 1. 东华大学,上海,201620
2. 上海亚明灯泡厂有限公司,上海,200092 |
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| 摘 要： | 本文主要讨论了石英金卤灯里钠损失带来的危害以及钠损失产生的机理，并提出了几种减少钠损失的方法。钠损失往往会影响到电弧管里填充药丸的组成成分，药丸成分的改变会影响到灯的光电参数；钠损失还会造成灯寿命的降低。电弧管里钠损失主要是由于光电效应和高温下钠的扩散效应所引起的。
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| 关 键 词： | 石英金卤灯 钠损失 电弧管 药丸成分 光电效应 扩散效应 |
Sodium Loss in Metal Halide Lamps |
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| Huang Hua,Xu Weijun,He Guoxing. Sodium Loss in Metal Halide Lamps[J]. China Illuminating Engineering Journal, 2008, 19(3): 30-33 |
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| Authors: | Huang Hua Xu Weijun He Guoxing |
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| Affiliation: | Huang Hua, Xu Weijun, He Guoxing ( 1. Donghua university, shanghai 201620 ; 2. Shanghai Yarning Lighting Co., Ltd. Shanghai 200092) |
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| Abstract: | In this paper,effects and mechanism of sodium loss in quartz metal halide lamps are mainly discussed.And several ways to solve the problem is given.The loss of sodium will cause asignificant shift in the composition of the salt pool in the burner and will consequently affect the electrical and optical properties and lifetime.Sodium loss is mainly caused by the sodium drif in the electric field which build up by electron photo-emission,and sodium diffusion at high wall tempsature. |
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| Keywords: | quartz metal halide lamps sodium loss |
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