On the estimation of multizone ventilation rates from tracer gas measurements
Sherman, M. H.
1989 Building and Environment, 24(4): 355-362
Sherman, M. H., (1989), "On the estimation of multizone ventilation rates from tracer gas measurements", Building and Environment, 24(4): 355-362.
Abstract:
Tracer gas techniques are becoming widely used to measure the ventilation rates in buildings. As more detailed information is required for both energy and indoor air quality purposes, researchers are turning to complex, multizone tracer strategies. Both single gas and multiple gas techniques are being utilized, but only multigas are capable of uniquely determining the entire matrix of air flows. Because of the inherent limitations in the ability to estimate zonal concentrations, estimates of multizone air flows are highly imprecise for real buildings. However, exogenous information concerning physical constraints can allow a greatly improved estimate and interpretation of results if combined with measured data. This report describes techniques for improving tracer-gas derived ventilation data using physical knowledge about the system under study.
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