Results 21 to 30 of about 626,371 (315)

Enhanced Single-Sided Ventilation with Overhang in Buildings

open access: yesEnergies, 2016
Enhancing the ventilation performance of energy-efficient buildings with single-sided openings is important because their ventilation performance is poor and strongly depends on the wind conditions.
Jinsoo Park   +2 more
doaj   +1 more source

Indoor Air Quality Assessment: Comparison of Ventilation Scenarios for Retrofitting Classrooms in a Hot Climate [PDF]

open access: yes, 2019
Current energy e ciency policies in buildings foster the promotion of energy retrofitting of the existing stock. In southern Spain, the most extensive public sector is that of educational buildings, which is especially subject to significant internal ...
Calama-González, Carmen María   +2 more
core   +1 more source

Applications of the Photoionization Detector (PID) in Occupational Hygiene. Estimation of Air Changes per Hour in Premises with Natural Ventilation

open access: yesChemosensors, 2021
The importance of ventilation in closed workplaces increased after the onset of the COVID-19 pandemic. New methodologies for measuring the number of air changes per hour (ACH) in a premise where natural ventilation is applied are necessary.
María D. Maeso-García   +2 more
doaj   +1 more source

Time-averaged single sided ventilation rates and thermal environment in cooling mode for a low energy retrofit envelope [PDF]

open access: yes, 2014
Non-invasive, scalable, building retrofit solutions are very attractive deep renovation techniques to improve energy efficiency in existing buildings; this includes natural ventilation for cooling due to the low impact nature of the installation. However,
Kolokotroni, M, O'Sullivan, PD
core   +1 more source

Effects of roof configuration on natural ventilation for an isolated building

open access: yesJournal of Mechanical Engineering and Sciences, 2021
Numerical analyses based on CFD steady RANS were conducted to investigate the effects of roof configuration on wind-induced natural ventilation for an isolated roofed building.
Lip Kean Moey   +4 more
doaj   +1 more source

Impact of eave and roof pitch on cross ventilation for an isolated building with sawtooth roof

open access: yesJournal of Mechanical Engineering and Sciences, 2023
An eave refers to an extension attached to the building roof to protect the interior space from direct solar radiation and improve the performance on cross ventilation.
Lip Kean Moey   +5 more
doaj   +1 more source

Environmental test chamber for the support of learning and teaching in intelligent control [PDF]

open access: yes, 2004
The paper describes the utility of a low cost, 1 m2 by 2 m forced ventilation, micro-climate test chamber, for the support of research and teaching in mechatronics.
Taylor, C. James
core   +1 more source

Modelling the air cleaning performance of negative air ionisers in ventilated rooms [PDF]

open access: yes, 2007
Negative air ionisers have seen increasing use as devices for improving indoor air quality, including some success in clinical environments for reducing the transmission of infection.
Noakes, C.J., Sleigh, P.A., Beggs, C.
core   +2 more sources

Predicting Ventilation Rate in a Naturally Ventilated Dairy Barn in Wind-Forced Conditions Using Machine Learning Techniques

open access: yesAgriculture, 2023
Precise ventilation rate estimation of a naturally ventilated livestock building can benefit the control of the indoor environment. Machine learning has become a useful technique in many research fields and might be applied to ventilation rate prediction.
Mengbing Cao   +4 more
doaj   +1 more source

Ventilation and cave air PCO2 in the Bunker-Emst Cave System (NW Germany): implications for speleothem proxy data [PDF]

open access: yes, 2019
Cave air pCO2 (carbon dioxide partial pressure) is, along with drip rate, one of the most important factors controlling speleothem carbonate precipitation.
Breitenbach, Sebastian   +4 more
core   +2 more sources

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