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http://dx.doi.org/10.7731/KIFSE.2019.33.6.095

Study on the Regional Deposition of Smoke Particles in Human Respiratory Tract under the Variation of Fire and Breathing Conditions  

Goo, Jaehark (Dept. of Fire and Disaster Prevention, Woosuk Univ.)
Publication Information
Fire Science and Engineering / v.33, no.6, 2019 , pp. 95-104 More about this Journal
Abstract
Smoke generated in a fire consists of gaseous substances and particulate matter, such as unburned carbon that adsorbed the gases. Human injury caused by inhalation of gaseous substances present in smoke is mostly short-term, whereas damage caused by inhalation of particulate matter is relatively a long-term phenomenon depending on the state of the gas-phase adsorption. The amount and location of the deposited smoke particles are important factors in estimating the damage caused to humans, which are affected by the breathing conditions as well as particle conditions, such as the size and concentration affected by the combustion conditions. In this study, in order to understand the characteristics of the deposition of smoke particles in the respiratory tract related to the study of human smoke inhalation injury, the number and mass concentration of smoke particles deposited in different areas of the respiratory tract for different fuel types, combustion conditions and breathing conditions were calculated. In addition, the amount of mass deposition of smoke in the respiratory tract for a certain period of inhalation was compared with the atmospheric standard of fine dust.
Keywords
Smoke particle; Combustion condition; Respiratory tract; Breathing condition; Lung deposition;
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