NDLI: Analysis of indoor occupant contaminants under the isothermal dual-airflow window ventilation

Content Provider	IEEE Xplore Digital Library
Author	Bo Sun Jianing Zhao Jingshu Wei
Copyright Year	2011
Description	Author affiliation: School of Municipal & Environmental Engineering, Harbin Institute of Technology, China (Bo Sun; Jianing Zhao; Jingshu Wei)
Abstract	This paper discussed the isothermal ventilation effect of dual airflow windows in the rooms with different structures by combining computational fluid dynamics (CFD) simulations with physical experiment which supplied the boundary conditions and the accuracy verification for CFD model. Carbon dioxide breathed out by people was regarded as the representative pollutants in the paper. The results show that CFD model is validated excellently by the physical experiments. In all the four rooms, the simulations indicate that all the average CO2 concentrations are around 860ppm, and the value is smaller than the national standard requirement, 1000ppm. Therefore, in the rooms with the common depth modulus, dual-airflow windows can improve IAQ effectively, and the depth of the room has minimal impact on the average CO2 concentration of the whole room. However, as the depth increases from 3.0m to 4.8m, the average CO2 concentration reduces on the horizontal planes where the emission sources located. Thus, the increasing depth can contribute to dilute CO2 around the emission sources.
Starting Page	2902
Ending Page	2905
File Size	379740
Page Count	4
File Format	PDF
ISBN	9781457702891
e-ISBN	9781457702907
DOI	10.1109/ICETCE.2011.5774726
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-04-22
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Presses Computational fluid dynamics Atmospheric modeling Computational modeling Buildings Carbon dioxide IAQ Ventilation Dual airflow windows Isothermal ventilation Meteorology
Content Type	Text
Resource Type	Article

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