Results 11 to 20 of about 339,738 (305)

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

Natural ventilation as a passive cooling strategy for multi-story buildings: analytic vertical skycourt formations

open access: yesCity, Territory and Architecture, 2023
Natural ventilation has been one of the most important passive cooling strategies for conditioning the built environment. However, several challenges influence natural ventilation in multi-story buildings.
Rasha A. Ali   +3 more
doaj   +1 more source

Large-Eddy Simulations of Wind-Driven Cross Ventilation, Part 2: Comparison of Ventilation Performance Under Different Ventilation Configurations

open access: yesFrontiers in Built Environment, 2022
Natural ventilation can contribute to a sustainable and healthy built environment, but the flow can be highly dependent on the ventilation configuration and the outdoor turbulent wind conditions.
Yunjae Hwang, Catherine Gorlé
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

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

Enhancement of Natural Ventilation using Solar Chimney: A Numerical Investigation [PDF]

open access: yes, 2017
Rural areas have shortage of electricity, so natural ventilation becomes necessary. Ventilation through solar chimney harnesses solar energy as energy source and can be installed in rural buildings for improvement of air circulation.
Kumar, J. (Jitendra)   +2 more
core   +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

Natural Ventilation Properties and Thermal Environments of a Closed Underground Mine

open access: yesJournal of MMIJ, 2016
In this study, we measured properties of natural ventilation in a closed Arakawa mine and considered those properties theoretically. The natural ventilation pressure was estimated from the ratio of leakage airflow to the airflow when the ventilation door
Kanemitsu KAWABE, Keigo CHIDA
doaj   +1 more source

Integrating low energy cooling and ventilation strategies in Indian residences

open access: yesBuildings & Cities, 2022
Rapidly developing economies of countries in hot climates face the risk of a significant increase in CO2 emissions. This study developed strategies for low energy cooling and ventilation for Indian residences (LECaVIR). Ventilation and cooling techniques
Malcolm John Cook   +7 more
doaj   +1 more source

Energy aspects and ventilation of food retail buildings [PDF]

open access: yes, 2014
Worldwide the food system is responsible for 33% of greenhouse gas emissions. It is estimated that by 2050, the total food production should be 70% more than current food production levels.
Gowreesunker, BL   +2 more
core   +1 more source

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