Axial temperature distribution in vertical jet fires |
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Authors: | Mercedes Gmez-Mares Miguel Muoz Joaquim Casal |
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Affiliation: | aCentre for Technological Risk Studies (CERTEC), Department of Chemical Engineering, Universitat Politècnica de Catalunya, Diagonal 647, 08028 Barcelona, Spain |
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Abstract: | 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. |
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Keywords: | Fire Jet fire Flame temperature Temperature distribution |
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