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Effects of Inlets on Natural Fire Vents: An Experimental Study

B. Haegglund / K. Nireus / P. Werling

The influence of inlet openings on natural fire vents was studied. Experimental smoke-filling tests were carried out in a single-story building. Trays of methanol were burnt. The fire gases were made visible by the use of artificial smoke added to the fire plume. The experimental study mainly concerned the effects on vents by varying the position and distribution of the inlet openings near the floor. In particular, the effects of dividing into two reservoirs by a smoke curtain were considered where the inflow of air into the fire reservoir was provided by the ceiling vents of the adjacent reservoir. The tendencies of the effects of inlets on fire vents traced from the experimental work are described in the report.

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Effects of Inlets on Natural Fire Vents: An Experimental Study

B. Haegglund / K. Nireus / P. Werling

The influence of inlet openings on natural fire vents was studied. Experimental smoke-filling tests were carried out in a single-story building. Trays of methanol were burnt. The fire gases were made visible by the use of artificial smoke added to the fire plume. The experimental study mainly concerned the effects on vents by varying the position and distribution of the inlet openings near the floor. In particular, the effects of dividing into two reservoirs by a smoke curtain were considered where the inflow of air into the fire reservoir was provided by the ceiling vents of the adjacent reservoir. The tendencies of the effects of inlets on fire vents traced from the experimental work are described in the report.

Effects of Inlets on Natural Fire Vents: An Experimental Study

B. Haegglund / K. Nireus / P. Werling

The influence of inlet openings on natural fire vents was studied. Experimental smoke-filling tests were carried out in a single-story building. Trays of methanol were burnt. The fire gases were made visible by the use of artificial smoke added to the fire plume. The experimental study mainly concerned the effects on vents by varying the position and distribution of the inlet openings near the floor. In particular, the effects of dividing into two reservoirs by a smoke curtain were considered where the inflow of air into the fire reservoir was provided by the ceiling vents of the adjacent reservoir. The tendencies of the effects of inlets on fire vents traced from the experimental work are described in the report.

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Title:

Effects of Inlets on Natural Fire Vents: An Experimental Study

Contributors:

B. Haegglund (author) / K. Nireus (author) / P. Werling (author)

Publication date:

1996

Size:

97 pages

Type of media:

Report

Type of material:

No indication

Language:

English

Keywords:

Combustion & Ignition , Architectural Design & Environmental Engineering , Fires , Ventilation , Air flow , Vents , Smoke , Flow distribution , Plumes , Methanol , Gases , Buildings , Intakes , Wind velocity , Temperature distribution , Fire protection , Fire tests

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