Results 11 to 20 of about 124,691 (298)

Public toilets with insufficient ventilation present high cross infection risk [PDF]

open access: yesScientific Reports, 2021
Due to insufficient ventilation, public toilets present high risks for cross-infection. The study investigated 61 public toilets to identify the causes and locations of biological contaminated sources. Airborne and surface bacterial contamination, carbon
M. C. Jeffrey Lee, K. W. Tham
doaj   +2 more sources

Feasibility Analysis of Cross Passage Ventilation and Smoke Control in Extra-Long Submarine Tunnel [PDF]

open access: yesFire, 2022
Longitudinal ventilation fans in extra-long submarine tunnels are usually arranged at both ends of the tunnel limited by the tunnel cross section, which is usually hindered by insufficient power caused by extra-long ventilation distances.
Wenjiao You, Jie Kong
doaj   +2 more sources

Regional lung ventilation during supraglottic and subglottic jet ventilation: A randomized cross-over trial [PDF]

open access: yesJournal of Clinical Anesthesia
Test the hypothesis that the center of ventilation, a measure of ventro-dorsal atelectasis, is posterior during supraglottic ventilation indicating better dependent-lung ventilation. Secondarily, we tested the hypothesis that supraglottic ventilation improves oxygenation and carbon dioxide elimination.Supraglottic and subglottic jet ventilation are ...
Marita, Windpassinger   +10 more
openaire   +3 more sources

Noxious gases in rabbit housing systems: effects of cross and longitudinal ventilation [PDF]

open access: yesJournal of Agricultural Engineering, 2016
Animal welfare is a matter of increasing interest due to ethical and economical worries regarding animal rights and the sustainability of meat production.
Francesco da Borso   +3 more
doaj   +3 more sources

Passive Night Cooling Potential in Office Buildings in Continental and Mediterranean Climate Zone in Croatia

open access: yesBuildings, 2022
The envelope is one of the most important driving factors in the energy efficiency of buildings. Typical for office and commercial buildings, curtain wall facades allow solar heat gains to be used during the winter but can lead to difficulties in ...
Zoran Veršić   +2 more
doaj   +1 more source

Impact of Indoor-Outdoor Temperature Difference on Building Ventilation and Pollutant Dispersion within Urban Communities

open access: yesAtmosphere, 2021
Mechanical ventilation consumes a huge amount of global energy. Natural ventilation is a crucial solution for reducing energy consumption and enhancing the capacity of atmospheric self-purification.
Yun Hu   +7 more
doaj   +1 more source

Modeling cross-ventilation with multi-zone models [PDF]

open access: yes, 2018
In the temperate climate region of Western Europe (UK/Belgium/France, The Netherlands, Germany), simple exhaust ventilation is a widely used ventilation strategy in dwellings. The merits of such systems in terms of ventilation performance have been studied intensively, mainly regarding the impact of sizing of the components (Laverge & Janssens, 2013 ...
Laverge, Jelle
openaire   +2 more sources

Mechanical Ventilation in Brain Injured Patients [PDF]

open access: yes, 2022
Mechanical ventilation is a cornerstone in the management of patients with brain injury, since these patients are often unable to protect airways and they require a careful management of oxygenation and carbon dioxide.
Peluso, Lorenzo   +6 more
core   +1 more source

Wind pressure coefficient distribution of detached houses in a dense residential block

open access: yesJapan Architectural Review, 2020
In a dense residential block, external airflow patterns around a site should be analyzed initially in the design stage to improve cross ventilation, thereby improving the comfort of an occupant and saving energy.
Keiichiro Taniguchi, Yoshihiko Akamine
doaj   +1 more source

Evaluation of Discharge Coefficients for Window Openings in Wind Driven Natural Ventilation [PDF]

open access: yes, 2006
This paper describes the classical approach for calculation of wind driven airflow through large openings in buildings and discusses the fulfilment of the limiting assumptions.
Heiselberg, P.,, Sandberg, Mats,
core   +3 more sources

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