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On the determination of VOCs emission factors in dry building materials

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Abstract

A comprehensive modelling study was performed to determine volatile organic compounds (VOCs) emission factors in dry building materials. In order to examine the emission characteristics of VOCs in dry building materials (carpet), an experiment was conducted, and a mathematical methodology was considered together with a numerical work for a validation. Here, a new representative airside VOCs concentration was considered in a mode different from that of previous studies, which allows us to evaluate VOCs emission factors more accurately.

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Abbreviations

A :

Source area (m2)

C :

Concentration (μg m−3)

D :

Diffusion coefficient (m2 s−1)

K :

Partition coefficient (–)

L :

Product loading (m2 m−3)

l :

Carpet thickness (m)

N :

Air exchange rate (h−1)

M>E :

Total mass emitted from the source during experimental period (μg)

M>a,F :

Total mass in the chamber air at the end of experimental (μg)

M>a,B :

Total mass in the chamber air at the beginning of the experimental (μg)

M>s,F :

Total mass absorbed by the chamber walls at the end of experimental (μg)

M>s,B :

Total mass absorbed by the chamber walls at the beginning of experimental (μg)

M>x :

Total mass leaving the chamber with the air change flow (μg)

P :

Pressure (Pa)

Q :

Volumetric air flow rate through chamber (m3 s−1)

t :

Time (s)

V :

Volume of air in chamber (m3)

x>i :

Direction tensor (m)

0:

Initial

A :

Air phase

C :

Carpet phase

i :

ith time step

ρ :

Density (kg m−3)

μ :

Viscosity (kg m−1 s−1)

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Correspondence to Chang Nyung Kim.

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Shin, D.M., Kim, C.N., Park, CH. et al. On the determination of VOCs emission factors in dry building materials. Heat Mass Transfer 49, 1625–1635 (2013). https://doi.org/10.1007/s00231-013-1201-4

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  • DOI: https://doi.org/10.1007/s00231-013-1201-4

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