|Title||Rapidly Locating Sources And Predicting Contaminant Dispersion In Buildings|
|Publication Type||Conference Proceedings|
|Year of Publication||2002|
|Authors||Sohn, Michael D., P. Reynolds, Ashok J. Gadgil, and Richard G. Sextro|
|Secondary Title||Proceedings of the Indoor Air 2002 Conference, Monterey, CA|
|Publisher||Indoor Air 2002, Santa Cruz, CA|
Contaminant releases in or near a building can lead to significant human exposures unless prompt response measures are taken. However, selecting the proper response depends in part on knowing the source locations, the amounts released, and the dispersion characteristics of the pollutants. We present an approach that estimates this information in real time. It uses Bayesian statistics to interpret measurements from sensors placed in the building yielding best estimates and uncertainties for the release conditions, including the operating state of the building. Because the method is fast, it continuously updates the estimates as measurements stream in from the sensors. We show preliminary results for characterizing a gas release in a three-floor, multi-room building at the Dugway Proving Grounds, Utah, USA.
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