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Volume 11, No. 6, November 2011, Pages 758-762 PDF(291 KB)  
doi: 10.4209/aaqr.2010.11.0092   

A CFD Simulation Study of VOC and Formaldehyde Indoor Air Pollution Dispersion in an Apartment as Part of an Indoor Pollution Management Plan

Ioannis K. Panagopoulos1, Athanasios N. Karayannis1, Pavlos Kassomenos2, Kostantinos Aravossis3

1 Sybilla ltd., 16 Ypsilandou st., Maroussi 151 22, Athens, Greece
2 Department of Physics, University of Ioannina, University Campus 45 110, Ioannina, Greece
3 Sector of Industrial Engineering and Operational Research, School of Mechanical Engineering, National Technical University of Athens, Polytechnioupolis, Zografos 174 54, Athens, Greece




This paper is a preliminary report of an indoor pollution case study in a complex of apartments as a part of an Indoor Pollution Management Plan (IPMP). It describes the calculation by Computational Fluid Dynamics (CFD) techniques and presents the predicted air flow, Volatile Organic Compounds (VOCs) and formaldehyde contaminant distributions in an apartment comprised of a full-scale kitchen with open access to a living room, ventilated by an exhaust hood. The CFD Code PHOENICS®, which is based on solving the full 3-D Navier Stokes equations for turbulent flow and scalar conservation equations, was used. Major kitchen indoor pollution sources, VOCs and formaldehyde emitting materials and their emission characteristics were calculated through the use of emission factors. A typical apartment was used under case study and its detailed geometry was applied for the CFD model. To analyze the characteristics of the indoor environment, different mixing ventilation schemes (different locations of the cooker/oven and air inlets) were chosen as the parameters to investigate the indoor environment. The fields of VOCs and formaldehyde for several air inlets window positions, and ventilation parameters were calculated and compared. It was concluded that CFD methods can be used as a useful tool to assist the rational design of indoor spaces.



Keywords: CDF; Indoor air pollution; Numerical modelling; Turbulence; Indoor sources.



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