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Development and Performance of a Fluence Rate Distribution Model for a Cylindrical Excimer Lamp

机译:圆柱准分子灯的通量率分布模型的开发与性能

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Ultraviolet disinfection systems employing excimer lamp technology represent a suitable choice in situations where lamp mercury content is restricted, or otherwise undesirable. The XeBr~* excimer lamp emits nearly monochromatic radiation at 282 nm, and dose-response experiments with Bacillus subtilis spores have shown that it is germicidally effective. A numerical model was developed to describe the fluence rate (E') distribution emanating from a cylindrical XeBr~* excimer lamp, based on liquid water or air as the surrounding medium. The E distribution model is based on physical phenomena that are known to govern excimer lamps; the model also accounts for refraction, reflection, and absorbance effects of the quartz lamp envelope and the media surrounding the lamp. Measurements of the F distribution by local actinometry supported the validity of the numerical model. This model can be used as a component (submodel) of a more general model to simulate the behavior of photochemical reactors that employ excimer lamps as their source of electromagnetic radiation.
机译:采用受激准分子灯技术的紫外线消毒系统在灯的汞含量受到限制或不希望出现的情况下,是一个合适的选择。 XeBr〜*准分子灯在282 nm处发出几乎单色的辐射,枯草芽孢杆菌孢子的剂量反应实验表明,它具有杀菌作用。建立了一个数值模型,描述了以液态水或空气为周围介质,从圆柱形XeBr〜*准分子灯发出的能量密度(E')分布。 E分布模型基于控制准分子灯的物理现象;该模型还考虑了石英灯壳和灯周围介质的折射,反射和吸收效应。通过局部光度法测量F分布可支持数值模型的有效性。该模型可以用作更通用模型的组成部分(子模型),以模拟采用准分子灯作为电磁辐射源的光化学反应器的行为。

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