| Title |
Experimental Study on the Irradiation and Surface Sterilization Effect of Ultra Violet Ray in Air Conditioning System |
| Keywords |
Ultra violet ray ; 자외선 ; Irradiation ; 조사 ; Surface sterilization effect ; 표면살균효과 ; Air conditioning system ; 공조시스템 ; Legionella ; 레지오넬라 ; E. Coli ; 대장균 |
| Abstract |
Recently, the use of UVC lamps inside building air-conditioning system has been increasing in both medical and nonmedical buildings for the control of environmental microorganisms. In the present study, irradiance performance test of UVC lamp was carried out and surface sterilization effect of UV ray was investigated by using UV ray irradiation experimental chamber and pilot system. Experimental results show that the effective irradiance of UVC lamp is strongly dependent on air velocity and temperature with exception of relative huminity in air-conditioning system. An individual microbiological kill effectiveness experiment also shows that the fractional kill of two microbiological samples such as E. Coli and Legionella is roughly the same as the estimated fractional kill in the case of chamber test and pilot system test. |