DYNAMICAL ASSESSMENT OF THE FIRE IN SHIRAZ ZAND TUNNEL USING COMPUTATIONAL FLUID DYNAMIC

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Abbasloo A.

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Seminar Paper

Paper Information

Seminar: CHEMICAL ENGINEERING CONGRESS AND EXHIBITION
Year:2014 | Issue:8

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Title

DYNAMICAL ASSESSMENT OF THE FIRE IN SHIRAZ ZAND TUNNEL USING COMPUTATIONAL FLUID DYNAMIC

Author(s)

Abbasloo A. | Issue Writer Certificate

Keywords

SHIRAZ ZAND TUNNEL

FIRE

COMPUTATIONAL FLUID DYNAMICS

CARBON MONOXIDE

TRAFFIC

VENTILATION

Abstract

A THREE-DIMENSIONAL MATHEMATICAL MODEL TO OBTAIN THE DISTRIBUTION OF CARBON MONOXIDE CONCENTRATION IN UNDERGROUND AND TWO-WAYS SHIRAZ ZAND TUNNEL WITH THE COMMERCIAL CFD CODE FLUENT WAS NUMERICALLY SOLVED. THE RESULTS OF THE MODEL IN HEAVY TRAFFIC CONDITIONS SHOW THAT THE VENTILATION SYSTEM CANNOT CONTROL THE CONCENTRATION OF CARBON MONOXIDE IN THE TUNNEL BELOW THE INTERNATIONAL STANDARD AND FACTORS SUCH AS VERTICAL AND TRANSVERSE MOVEMENT OF AIR INSIDE THE TUNNEL, LOCAL ENTRANCE/EXIT OF THE FRESH/POLLUTED AIR IN/FROM THE TUNNEL, THE STRUCTURE OF THE TUNNEL AND LAYOUT OF THE INLET/OUTLET FANS LEAD TO MORE INCREASE CO CONCENTRATION IN THE TUNNEL. ALSO, THE RESULTS OF MODEL IN FIRE CONDITIONS AND HEAVY TRAFFIC SHOW THAT THESE FACTORS CAUSE THE INCORRECT DISTRIBUTION AND NON EFFECTIVE OUTPUT OF THE SMOKE FROM THE TUNNEL. THE RESULTS OF MODEL IN THE DYNAMICAL CONDITIONS SHOW THAT THE TIME OF THE MAXIMUM SMOKE CONCENTRATION HAS DIFFERENT VALUES THAT DEPEND ON THE LAYOUT OF THE INLETS AND OUTLET FANS INSIDE THE TUNNEL. OVERALL, THE RESULTS SHOW THAT EXIST VENTILATION SYSTEM WAS NOT EFFICIENTLY RESOLVE THIS PROBLEM AND MUST BE MANAGED EFFECTIVELY AIR MOVEMENT INSIDE THE TUNNEL.

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APA: Copy

Abbasloo, A.. (2014). DYNAMICAL ASSESSMENT OF THE FIRE IN SHIRAZ ZAND TUNNEL USING COMPUTATIONAL FLUID DYNAMIC. INTERNATIONAL CHEMICAL ENGINEERING CONGRESS AND EXHIBITION. SID. https://sid.ir/paper/916825/en

Vancouver: Copy

Abbasloo A.. DYNAMICAL ASSESSMENT OF THE FIRE IN SHIRAZ ZAND TUNNEL USING COMPUTATIONAL FLUID DYNAMIC. 2014. Available from: https://sid.ir/paper/916825/en

IEEE: Copy

A. Abbasloo, “DYNAMICAL ASSESSMENT OF THE FIRE IN SHIRAZ ZAND TUNNEL USING COMPUTATIONAL FLUID DYNAMIC,” presented at the INTERNATIONAL CHEMICAL ENGINEERING CONGRESS AND EXHIBITION. 2014, [Online]. Available: https://sid.ir/paper/916825/en

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