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ISSN:
2319-6009 (Online)
Abbreviated title:
Int. J Struct. Civ. Eng. Res.
Editor-in-Chief:
Prof. Eric Strauss
Associate Editor:
Assoc. Prof. Wenxing Zhou
Executive Editor:
Ms. Cherry L. Chen
DOI:
10.18178/ijscer
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etc.
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IJSCER Editorial Office
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Editor-in-Chief
Prof. Eric Strauss
Michigan State University, USA
I am very excited to serve as the Editor-in-Chief of the International Journal of Structural and Civil Engineering Research
(IJSCER)
and hope that the publication can enrich the readers’ experience...
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2024-01-04
IJSCER will adopt Article-by-Article Work Flow. For the quarterly journal, each issue will be released at the end of the issue month.
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Volume 5, No. 2, May 2016
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A Computational Study of Differential Diffusion Effects on Smoke Toxicity Evaluation
L. W. Pan, Y. Jiang, L. Wang, L. L. Yin, and L. Xu
State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei, China
Abstract
—With the increasing frequency of fire caused by construction materials, smoke toxicity evaluation plays a key role in related fields. Numerical simulation has become a popular method to predict the toxicity of smoke. A computational study of differential diffusion effects on smoke toxicity evaluation is proposed in this study. The accuracy of the study is illustrated for a polyurethane foam fire in a 1/5 scale vertical shaft. The temperature and the concentrations of smoke composition are mainly discussed. From the comparison of the calculations with the Direct Numerical Simulations (DNS) data it is observed that the temperature and mass fractions of species agree well with the DNS data when differential diffusion effects are taken into account. On the other hand, these numerical results are overestimated if differential diffusion effects are neglected. The FED values indicate that differential diffusion has a strong influence on smoke toxicity evaluation when using N-Gas model.
Index Terms
—smoke toxicity evaluation, numerical simulation, differential diffusion, N-Gas model
Cite: L. W. Pan, Y. Jiang, L. Wang, L. L. Yin, and L. Xu, "A Computational Study of Differential Diffusion Effects on Smoke Toxicity Evaluation," International Journal of Structural and Civil Engineering Research, Vol. 5, No. 2, pp. 113-118, May 2016. doi: 10.18178/ijscer.5.2.113-118
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