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Axial temperature distribution in vertical jet fires

Mercedes Gómez-Mares, Miguel Muñoz, Joaquim Casal

Journal of Hazardous Materials

Cilt: 172, Sayı: 1, 54-60, 2009/12/15

The behaviour of vertical commercial propane jet fires (flame lengths of up to 8 m) was studied experimentally. The temperatures along the jet fire centreline were measured using a set of thermocouples and the flame contour was determined from infra-red (IR) images. The results show that temperature increases from the bottom of the flame, reaches a maximum value and decreases again at the top zone. A second-degree polynomial expression describes fairly well the variation of temperature as a function of the position on the flame centreline. The temperature along the centreline was found to increase for Q values lower than 7 MW and to decrease at higher values.

Anahtar Kelimeler: Fire; Jet fire; Flame temperature; Temperature distribution

Elsevier B. V.

DOI: 10.1016/j.jhazmat.2009.06.136

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