Hybrid emergency ventilation system for controlling inhaled contaminant dose in the case of chemical leakage

S Ichimiya, A Murga, SJ Yoo… - Indoor and Built …, 2022 - journals.sagepub.com
In factories where high-risk chemical pollutants are treated, it is essential to anticipate
response measures in the event of chemical pollutant leakage to minimize adverse health …

[HTML][HTML] Decreasing inhaled contaminant dose of a factory worker through a hybrid Emergency Ventilation System: Performance evaluation in worst-case scenario

A Murga, Z Long, SJ Yoo, E Sumiyoshi, K Ito - Energy and Built …, 2020 - Elsevier
Air pollution is detrimental to human health, causing several human illnesses. The industrial
microenvironment generates high levels of indoor airborne pollutants, becoming a pervasive …

Numerical investigation on the influence of contaminant source location, occupant distribution and air distribution on emergency ventilation strategy

X Chen, B Zhao, X Li - Indoor and Built Environment, 2005 - journals.sagepub.com
The purpose of emergency ventilation is to remove pollutants effectively that may be
suddenly released indoors. With the occurrence of indoor terrorism attacks and the …

Evaluating emergency ventilation strategies under different contaminant source locations and evacuation modes by efficiency factor of contaminant source (EFCS)

H Cai, W Long, X Li, D Barker - Building and environment, 2010 - Elsevier
Emergency ventilation plays an important role in protecting occupants when a hazardous
contaminant is released indoors. A number of studies have been conducted to better …

Unsteady RANS simulations of laboratory ventilation with chemical spills and gas leakages-Toward balanced safety and energy effectiveness

Y He, DJC Hii, NH Wong, TG Peck - Building and Environment, 2021 - Elsevier
Laboratories generally set high airflow rates, commonly measured by the number of air
change per hour (ACH), to maintain safe ventilation environments in case of unintended …

Determining ventilation strategy to defend indoor environment against contamination by integrated accessibility of contaminant source (IACS)

B Zhao, X Li, X Chen, D Huang - Building and Environment, 2004 - Elsevier
With the recent occurrence of global terrorism, people are paying more and more attentions
to ventilation strategy decision-making to avoid or reduce the influence of suddenly released …

Multi-objective optimization for sensor placement against suddenly released contaminant in air duct system

J Gao, L Zeng, C Cao, W Ye, X Zhang - Building simulation, 2018 - Springer
When a chemical or biological agent is suddenly released into a ventilation system, its
dispersion needs to be promptly and accurately detected. In this work, an optimization …

A theoretical study on gaseous pollutant flushing of natural ventilation driven by buoyancy forces in industrial buildings

J Zhuang, G Chen, R Yang, K Han, D Tian, Y Diao… - Building …, 2024 - Springer
The acceleration of industrialization worsening indoor environments of industrial buildings
has drawn more attention in recent years. Natural ventilation can improve indoor air quality …

Decision analysis of emergency ventilation and evacuation strategies against suddenly released contaminant indoors by considering the uncertainty of source …

H Cai, W Long, X Li, L Kong, S Xiong - Journal of hazardous materials, 2010 - Elsevier
In case hazardous contaminants are suddenly released indoors, the prompt and proper
emergency responses are critical to protect occupants. This paper aims to provide a …

A risk assessment approach for evaluating the impact of toxic contaminants released indoors by considering various emergency ventilation and evacuation strategies

L Zeng, J Gao, Q Wang, L Chang - Risk analysis, 2018 - Wiley Online Library
The release of toxic airborne contaminants resulting from terrorist attacks on buildings can
lead to disastrous consequences. To evaluate and reduce the effects of these emergencies …