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This is Where the Magic Happens - The Use of CFD in Predicting Low Pressure Closed Vessel UV System Performance for Reuse Applications

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The NWRI/AwwaRF 2003 Ultraviolet Disinfection Guidelines describe a methodology for validating UV Systems for reuse applications.

The validation testing of pilot plants using modular, open channel configurations allows for an easy upscale of the bioassay results to full-scale UV systems. Because closed vessel UV reactors employ different number of lamps and may have variations in lamp arrangement, individual reactor certification would be required.

Sometimes viewed as “magic”, this paper describes a robust methodology for combining the use of CFD prediction models with full scale biodosimetric testing, to obtain sound, consistent results that allow a design engineer to dependability size a UV system within the boundaries of the NWRI/AwwaRF guidelines.

Keywords: Bioassay; CFD; NRWI/AwwaRF; Reuse; UV design; UV disinfection

Document Type: Research Article


Publication date: January 1, 2009

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  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

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