LARGE EDDY SIMULATION OF SMOKE FLOW IN THE REAL SCALE EXPERIMENTAL TUNNEL FIRE

LARGE EDDY SIMULATION OF SMOKE FLOW IN THE REAL SCALE EXPERIMENTAL TUNNEL FIRE

This paper compares the temperature and velocity predicted by Large Eddy Simulation (LES) with those by the experiment, in order to grasp the effectiveness of the smoke flow reproducibility by LES. Tunnel scale characteristics of the smoke flow and the temperature are also examined with the macro ev...

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Veröffentlicht in:AIJ Journal of Technology and Design 2015/06/20, Vol.21(48), pp.661-666
Hauptverfasser: NAKAHAMA, Shinji, KATO, Shinsuke, YAMADA, Tokiyoshi, SAKAMOTO, Shigehiro, MICHIKOSHI, Shintaro, MORIKAWA, Yasushige
Format: Artikel
Sprache:eng
Schlagworte:
Cumulative thermal value
Evacuation
Fires
Heat transport
Large eddy simulation
Macro model
Mathematical models
Reproducibility
Scale (ratio)
Smoke
Tunnels (transportation)
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container_end_page 666
container_issue 48
container_start_page 661
container_title AIJ Journal of Technology and Design
container_volume 21
creator NAKAHAMA, Shinji
KATO, Shinsuke
YAMADA, Tokiyoshi
SAKAMOTO, Shigehiro
MICHIKOSHI, Shintaro
MORIKAWA, Yasushige
description This paper compares the temperature and velocity predicted by Large Eddy Simulation (LES) with those by the experiment, in order to grasp the effectiveness of the smoke flow reproducibility by LES. Tunnel scale characteristics of the smoke flow and the temperature are also examined with the macro evaluation model based on the LES results. It is shown that LES results correspond well with the experimental values, and that the tunnel scale characteristics can be described by the macro model. In addition, Cumulative Thermal Value was used as the thermal index of evacuation safety in the tunnel fire.
doi_str_mv 10.3130/aijt.21.661
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subjects Cumulative thermal value
Evacuation
Fires
Heat transport
Large eddy simulation
Macro model
Mathematical models
Reproducibility
Scale (ratio)
Smoke
Tunnels (transportation)
title LARGE EDDY SIMULATION OF SMOKE FLOW IN THE REAL SCALE EXPERIMENTAL TUNNEL FIRE
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