UVGI in air handlers

William P. Bahnfleth

UVGI in air handlers

Research output: Contribution to journal › Article › peer-review

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

All Science Journal Classification (ASJC) codes

Building and Construction
Mechanical Engineering

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Cite this

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AB - 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.

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ER -

UVGI in air handlers

Abstract

All Science Journal Classification (ASJC) codes

UN SDGs

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