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International Journal of Environment Science and Technology
Center for Environment and Energy Research and Studies (CEERS)
ISSN: 1735-1472 EISSN: 1735-1472
Vol. 12, No. 1, 2015, pp. 73-86
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Bioline Code: st15007
Full paper language: English
Document type: Research Article
Document available free of charge
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International Journal of Environment Science and Technology, Vol. 12, No. 1, 2015, pp. 73-86
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Experimental and computational study of particulate matter of secondhand smoke in indoor environment
Al-sarraf, A.A.; Yassin, M.F. & Bouhamra, W.
Abstract
Tobacco smoking has become one of the
greatest sources of indoor inhalable particles. Tobacco
smoke changes chemically and physically after it is
released into indoor air; these changes can increase secondhand
smoke (SHS) toxicity. The SHS as assessed by
indoor particulate matter with an aerodynamic diameter of
less than 2.5 mm (PM2.5) was investigated experimentally
and computationally. Test house experiment was performed
to study the PM2.5 concentration under controlled
conditions coupled with mathematical model of continuity
equation. PM2.5 was measured using a DustTrak personal
sampler. Two-dimensional flow and dispersion of cigarette
smoke were modeled using computational fluids dynamics
model which were solved using Reynolds–averaged Navier–Stokes equations. The effect of air purifier in reducing
SHS and thirdhand smoke (THS) was analyzed and evaluated.
The results demonstrated that the air purifier cannot
control the indoor PM2.5 levels. Furthermore, amount of
smoke from main stream of SHS is more compared to side
stream and THS can be evaluated by calculating the
adsorption term of continuity equation.
Keywords
CFD models; Indoor air quality; Particulate matter 2.5 concentration; Tobacco smoke; Test house
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