Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/31472
Title: Impact of human motion on TVOCs inhalation dose under side re-circulated ventilation
Authors: Zhang, Q
Zeng, LP
Xie, GX
Zhang, GQ
Niu, JL 
Keywords: Computational fluid dynamics (CFD) simulation
Contaminant
Human motion
Indoor air quality (IAQ)
Relative inhalation dose level (RIDL) index
Volatile organic compounds (VOCs)
Issue Date: 2009
Source: Journal of Central South University (English Edition) ( 中南大學學報. 英文版), 2009, v. 16, no. 4, p. 599-607 How to cite?
Journal: Journal of Central South University (English Edition) ( 中南大學學報. 英文版) 
Abstract: The main objectives were to (1) calculate the total volatile organic compounds (TVOCs) inhalation dose, (2) analyze the proportions of human's inhaled contaminant dose from different sources, and (3) present a newly defined ratio of relative inhalation dose level (RIDL) to assess indoor air quality (IAQ). A user defined function based on CFD (computational fluid dynamics) was developed, which integrated human motion model with TVOCs emission model in a high sidewall air supply ventilation mode. Based on simulation results of 10 cases, it is shown that the spatial concentration distribution of TVOCs is affected by human motion. TVOCs diffusion characteristic of building material is the most effective way to impact the TVOCs inhalation dose. From the RIDL index, case A-2 has the most serious IAQ problem, while case D-1 is of the best IAQ.
URI: http://hdl.handle.net/10397/31472
ISSN: 2095-2899
DOI: 10.1007/s11771-009-0100-9
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