The Development and Performance of a Fluence Rate Distribution Model for a Cylindrical Excimer Lamp Supporting Information
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 areknownto 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 E 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.
Date of this Version
Environ. Sci. Technol. 42 (5), 1605-1614, 2008. DOI: 10.1021/es070968w
American Chemical Society
ALS NSCORT Project Number
Project 8 - Water Disinfection
Ernest R. Blatchley III
ALS NSCORT Series
Dave Kotterman, firstname.lastname@example.org
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