Abstract
Ultraviolet germicidal irradiation (UVGI) is the use of ultraviolet radiation to inactivate microorganisms. UVGI systems predominantly use Ultraviolet C (UVC) radiation at a wavelength of ∼254 nm that is produced by low pressure mercury vapor or amalgam lamps. UVGI is applied in a variety of ways. Upper air systems disinfect air in rooms as it circulates into a region irradiated by fixtures located safely above the occupied zone. In-duct systems irradiate ventilation airstreams to inactivate microorganisms "on the fly" before air is delivered to occupied spaces. The primary purpose of upper air and in-duct systems is to reduce the risk of infectious disease transmission.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 70-72 |
| Number of pages | 3 |
| Journal | ASHRAE Journal |
| Volume | 53 |
| Issue number | 4 |
| State | Published - Apr 2011 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 3 Good Health and Well-being
All Science Journal Classification (ASJC) codes
- Building and Construction
- Mechanical Engineering
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