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LI, Xianting; Zhao, Lina. A comparative study on evaluation methods of emergency ventilation strategies. In: BUILDING PERFORMANCE SIMULATION ASSOCIATION CONFERENCE AND EXHIBITION, 10., 2007, Beijing. Anais… Beijing, 2007.
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Abstract

With the occurrence of indoor terrorism attacks and the accidental release of toxic chemicals, people have paid more attentions on such emergency events in recent years. The effective evaluation method of emergency ventilation strategies could help people find out the accurate way to control the ventilation system, and reduce the total loss during the event. In this article, two methods to evaluate the effect of ventilation are compared. One is based on Efficiency Factor of Contaminant Source (EFCS). The other is based on Exposure Risk (ER) and Population Risk (PR). By using these indices of ventilation efficiency, 6 cases with different ventilation style in a full-scale room in which the occupant distribution is prescribed have been investigated numerically. The results show that the two evaluation methods can function well on evaluating the performance of emergency ventilation and should be used properly for different purposes.
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