The Proceedings of Mechanical Engineering Congress, Japan
Online ISSN : 2424-2667
ISSN-L : 2424-2667
2021
Session ID : S054-04
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Effect of zero-flow control in large-scale tunnel fire
*Nobuyoshi KAWABATA
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Abstract

In the safety evaluation of tunnel fires in Japan, a fire of one large bus is assumed, and ventilation control is performed to maintain the evacuation environment. Confirmation of maintaining the evacuation environment in the event of a large-scale fire accident has not yet been fully considered. In this study, the safety is evaluated by the number of evacuees exposed to smoke when the scale of the fire increases under the condition of zero flow control. In this way, we consider the effect of reducing the wind speed in a large-scale fire.

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© 2021 The Japan Society of Mechanical Engineers
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