Prediction of short-term and long-term VOC emissions from SBR bitumen-backed carpet under different temperatures
conference paper
This paper presents two models for volatile organic compound (VOC) emissions from carpet. One is a numerical model using the computational fluid dynamics (CFD) tech-nique for short-term predictions, the other an analytical model for long-term predictions. The numerical model can (1) deal with carpets that are not new, (2) calculate the time-dependent VOC distributions in a test chamber or room, and (3) consider the temperature effect on VOC emissions. Based on small-scale chamber data, both models were used to examine the VOC emissions under different temperatures from polypro-pene styrene-butadiene rubber (SBR) bitumen-backed carpet. The short-term predictions show that the VOC emissions under different temperatures can be modeled solely by changing the carpet diffusion coefficients. A formulation of the Arrhenius relation was used to correlate the dependence of carpet diffu-sion coefficient with temperature. The long-term predictions show that it would take several years to bake out the VOCs, and temperature would have a major impact on the bake-out time.
TNO Identifier
329366
Publisher
ASHRAE
Article nr.
TO-98-23-4
Source title
ASHRAE Transactions, ASHRAE Annual Meeting, Toronto, ON, Canada, 20-24 June 1998
Collation
12 p.
Files
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