Indoor Air Quality Simulations with the Mass Balance Model

by D. J. Moschandreas, Illinois Inst of Technology, Research Inst, Chicago, IL, USA,
S. M. Relwani, Illinois Inst of Technology, Research Inst, Chicago, IL, USA,

Document Type: Proceeding Paper

Part of: Environmental Engineering


Recent studies relate energy conservation measures, specifically to reduction of the air exchange rate of residences, with potential adverse health effects due to human exposure to increased indoor pollutant concentrations. A cause and effect relationship reduction of air infiltration rates and between energy conservation measure, and adverse health effects has not been established statistically. In this paper we seek to gain insights into this issue by a series of numerical simulations. A mass balance Indoor Air Quality (IAQ) model is used in conjunction with usage patterns of indoor sources and emission rates measured in a series of recent chamber experiments. The issue addressed is the impact of air exchange reduction on indoor pollutant concentrations relative to the variations of pollutant concentrations caused by daily changes in usage patterns and the condition of the source simulated. (Author abstract. )

Subject Headings: Indoor environmental quality | Pollutants | Air quality | Simulation models | Energy measurement | Numerical models | Nitrogen | Infiltration

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