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Abstract Details
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Activity Number:
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253
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Type:
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Contributed
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Date/Time:
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Monday, August 1, 2011 : 2:00 PM to 3:50 PM
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Sponsor:
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Section on Physical and Engineering Sciences
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| Abstract - #300660 |
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Title:
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Evacuation of a Smoky Room
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Author(s):
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Guillermo Frank*+ and Claudio Dorso
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Companies:
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University of Buenos Aires and University of Buenos Aires
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Address:
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Pabellón I, Ciudad Universitaria, Buenos Aires, 1428, Argentina
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Keywords:
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panic evacuation ;
smoky room
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Abstract:
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The escaping process of a panicking crowd involves very complex phenomena. The observed slowing down in the evacuation is actually known to be a consequence of the "faster is slower" effect. This effect states that as pedestrians desire to reach the exit increases, the clogging phenomena delay the time to get out of the room. A particularly harmful situation occurs when the environment is so smoky that pedestrians can not find the way out. They move like a "herd", towards the mean direction of the nearby pedestrians. The statistical behaviour of the crowd shows a new kind of slowing down. Our investigation focuses on this source of inefficiency. We further compare this situation with the "faster is slower" effect.
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