Reducing airborne transmission of SARS-CoV-2 by an upper-room ultraviolet germicidal irradiation system in a hospital isolation environment
Upper-room ultraviolet germicidal irradiation (UVGI) technology can potentially inhibit the
transmission of airborne disease pathogens. There is a lack of quantitative evaluation of the …
transmission of airborne disease pathogens. There is a lack of quantitative evaluation of the …
Evaluation of upper-room ultraviolet germicidal irradiation system for air disinfection and energy conservation in multi-patient ward
Z Liu, C Lin, J Shi, M Ding, H Liu, J Chu, H Li… - Journal of Building …, 2024 - Elsevier
High occupancy rates significantly increase the risk of airborne transmission of respiratory
infectious diseases in multi-patient wards. While increasing air supply can effectively reduce …
infectious diseases in multi-patient wards. While increasing air supply can effectively reduce …
CFD modeling of room airflow effects on inactivation of aerosol SARS-CoV-2 by an upper-room ultraviolet germicidal irradiation (UVGI) system
Ultraviolet germicidal irradiation (UVGI) systems inactivate microorganisms indoors. Upper-
room UVGI systems use wall-or ceiling-mounted fixtures to create an air disinfection zone …
room UVGI systems use wall-or ceiling-mounted fixtures to create an air disinfection zone …
Ceiling impact on air disinfection performance of Upper-Room Germicidal Ultraviolet (UR-GUV)
Abstract This study used Computational Fluid Dynamics (CFD) to investigate air disinfection
for SARS-CoV-2 by the Upper-Room Germicidal Ultraviolet (UR-GUV), with focus on ceiling …
for SARS-CoV-2 by the Upper-Room Germicidal Ultraviolet (UR-GUV), with focus on ceiling …
Inactivation characteristics of a 280 nm Deep-UV irradiation dose on aerosolized SARS-CoV-2
A non-filter virus inactivation unit was developed that can control the irradiation dose of
aerosolized viruses by controlling the lighting pattern of a 280 nm deep-UV (DUV)-LED and …
aerosolized viruses by controlling the lighting pattern of a 280 nm deep-UV (DUV)-LED and …
Effectiveness of a UVC air disinfection system for the HVAC of an ICU
SO de Souza, AA Cardoso Jr… - … Physical Journal Plus, 2022 - epjplus.epj.org
Ultraviolet germicidal irradiation (UVGI) uses short-wave ultraviolet (UVC) light to inactivate
organisms like viruses, bacteria, and fungi. UVC inactivates a wide range of microorganisms …
organisms like viruses, bacteria, and fungi. UVC inactivates a wide range of microorganisms …
Experimental study of the disinfection performance of a 222-nm Far-UVC upper-room system on airborne microorganisms in a full-scale chamber
nm Far-UVC light is an emerging and promising tool for rapidly inactivating airborne
pathogens. In this study, we experimentally evaluated the performance of a 222-nm Far …
pathogens. In this study, we experimentally evaluated the performance of a 222-nm Far …
Far-UVC disinfection of airborne and surface virus in indoor environments: laboratory experiments and numerical simulations
Numerical models have been used to predict the efficacy of ultraviolet (UV) lamps in
disinfecting indoor bioaerosols. However, detailed experimental data on both air and …
disinfecting indoor bioaerosols. However, detailed experimental data on both air and …
Predicting airborne coronavirus inactivation by far-UVC in populated rooms using a high-fidelity coupled radiation-CFD model
There are increased risks of contracting COVID-19 in hospitals and long-term care facilities,
particularly for vulnerable groups. In these environments aerosolised coronavirus released …
particularly for vulnerable groups. In these environments aerosolised coronavirus released …
Performance of upper-room ultraviolet germicidal irradiation (UVGI) system in learning environments: Effects of ventilation rate, UV fluence rate, and UV radiating …
S Park, R Mistrick, D Rim - Sustainable Cities and Society, 2022 - Elsevier
Previous studies show that upper-room ultraviolet germicidal irradiation (UVGI) systems can
help contain infectious airborne viruses indoors. However, there has been a lack of research …
help contain infectious airborne viruses indoors. However, there has been a lack of research …