Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/31381
Title: Modeling VOCs emissions in a room with a single-zone multi-component multi-layer technique
Authors: Zhang, LZ
Niu, JL 
Keywords: Emissions
Indoor air quality
Mass transfer
VOCs
Issue Date: 2004
Publisher: Pergamon-Elsevier Science Ltd
Source: Building and environment, 2004, v. 39, no. 5, p. 523-531 How to cite?
Journal: Building and Environment 
Abstract: Building envelopes are usually comprised of several layers with different materials, which can significantly affect volatile organic compounds (VOCs) concentrations in indoor environments. These layers may act as source and sink alternatively depending on the different sorption and diffusion potentials. The model proposed here is a single zone one and it considers the different emission properties of building components, namely, the different sorption and diffusion characteristics of the side walls, the floor and the ceiling. In addition, each component comprises of several layers, which represents different construction materials. Two VOCs, ethyl acetate and n-octane, representing polar and nonpolar compounds respectively, are modeled to study the emission profiles in a room with several building materials. The effects of various construction materials, and the different convective mass transfer coefficients between room air and different building components, on the emission characteristics are investigated.
URI: http://hdl.handle.net/10397/31381
ISSN: 0360-1323
DOI: 10.1016/j.buildenv.2003.10.005
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