Results 11 to 20 of about 111,672 (246)

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

Effect ofOpening SizeonWind-Driven Cross Ventilation

open access: yesThe International Journal of Integrated Engineering, 2021
The opening size is important to the ventilation of building because various opening sizes affects the ventilation performance for building. Therefore, the objective of this study is to investigate the effect of opening size on indoor airflow characteristics of naturally ventilated building model.
Lip Kean Moey   +4 more
openaire   +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

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

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   +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

Numerical investigation of inlet opening size on wind-driven cross ventilation

open access: yesJournal of Mechanical Engineering and Sciences, 2022
The purpose of this study is to investigate the effect of opening size on indoor airflow characteristics of a naturally ventilated building model. The numerical simulation based on 3D-steady RANS equation was performed in this study.
Lip Kean Moey   +4 more
doaj   +1 more source

Study on acquired infection of patients in waiting space of fever clinic [PDF]

open access: yesE3S Web of Conferences, 2022
Since the COVID-19 outbreak, high numbers of patients with respiratory symptoms flock to fever clinic, cause overcrowding. Due to relatively densely populated space and the existing ventilation strategy, lead to space environment bearing capacity lose ...
Liu Shuo   +5 more
doaj   +1 more source

Smoke movement and control in longitudinal ventilated tunnel fires with cross-passages

open access: yesCase Studies in Thermal Engineering, 2023
This paper studies the characteristics of smoke movement and control in longitudinal ventilated tunnel fires with cross-passages through numerical modeling.
Yongzheng Yao   +4 more
doaj   +1 more source

Impact of Natural Ventilation on the Thermal and Energy Performance of Buildings in a Mediterranean Climate

open access: yesBuildings, 2019
Natural ventilation plays an important role on the thermal and energy performance of a building. The present study aims to analyze the natural ventilation conditions of a dwelling in a Mediterranean climate and their impacts on the thermal and energy ...
A. Moret Rodrigues   +3 more
doaj   +1 more source

Field investigation of lifestyle and indoor environment with COVID-19 in facilities for older adults in cold regions of Japan [PDF]

open access: yesE3S Web of Conferences, 2023
The emergence of COVID-19 clusters for older adults has been increasing recently in Japan. Facility staff control cross-ventilation with open windows as the primary measure against COVID-19 in facilities for older adults.
Takeuchi Jinya
doaj   +1 more source

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