Results 11 to 20 of about 4,254,174 (270)

Effects of Natural Ventilation and Saliva Standard Ejectors during the COVID-19 Pandemic: A Quantitative Analysis of Aerosol Produced during Dental Procedures [PDF]

open access: yesInt J Environ Res Public Health, 2021
The novel Coronavirus Disease 2019 (COVID-19) pandemic has renewed attention to aerosol-generating procedures (AGPs). Dental-care workers are at high risk of contamination by SARS-CoV-2.
Imena Rexhepi   +7 more
semanticscholar   +2 more sources

Analysis of Impact of Natural Ventilation Strategies in Ventilation Rates and Indoor Environmental Acoustics Using Sensor Measurement Data in Educational Buildings [PDF]

open access: yesSensors (Basel), 2021
Indoor environmental conditions can significantly affect occupants’ health and comfort. These conditions are especially important in educational buildings, where students, teachers and staff spend long periods of the day and are vulnerable to these ...
M. Hoz-Torres   +3 more
semanticscholar   +2 more sources

Improving natural ventilation in hospital waiting and consulting rooms to reduce nosocomial tuberculosis transmission risk in a low resource setting [PDF]

open access: yesBMC Infect Dis, 2019
BackgroundTB transmission in healthcare facilities is an important public health problem, especially in the often-overcrowded settings of HIV treatment scale-up. The problem is compounded by the emergence of drug resistant TB.
A. R. Escombe   +8 more
semanticscholar   +2 more sources

A New Correlation for Single-Sided Natural Ventilation Rate Based on Full-Scale Experimental Study in Mogao Grottoes, Dunhuang, China

open access: yesBuildings, 2023
Although research on the natural ventilation of single-sided buildings is progressing, research on the natural ventilation of the Mogao Grottoes, which have special shapes and structures, is relatively limited.
Junjie Zhang   +4 more
doaj   +1 more source

Behavior Characteristics of Hazardous Gas and Scattering Coal Dust in Coal Storage Sheds

open access: yesApplied Sciences, 2021
This study has comprehensively analyzed the ventilation system of an indoor coal storage shed using computational fluid dynamics (CFD). In addition, the effects of the plan to improve the ventilation system were investigated by synthesizing the results ...
Mok-Lyang Cho, Ji-Soo Ha, Tae-Kwon Kim
doaj   +1 more source

Using CFD to Evaluate Natural Ventilation through a 3D Parametric Modeling Approach

open access: yesEnergies, 2021
Predicting building air change rates is a challenge for designers seeking to deal with natural ventilation, a more and more popular passive strategy.
Nayara Rodrigues Marques Sakiyama   +3 more
semanticscholar   +1 more source

Ventilation Characteristics and Performance Evaluation of Different Window-Opening Forms in a Typical Office Room

open access: yesApplied Sciences, 2021
As most existing office buildings in China lack fresh air systems for ventilation, natural ventilation with windows remains the main means of improving indoor air quality and adjusting indoor thermal comfort.
Yuanyuan Wang   +3 more
doaj   +1 more source

Buoyancy-driven natural ventilation: The role of thermal stratification and its impact on model accuracy [PDF]

open access: yesE3S Web of Conferences, 2023
Since the invention of mechanical ventilation systems, natural ventilation has been deemed inferior compared to active systems for ventilation of buildings.
Chew Lup Wai
doaj   +1 more source

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