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Experimental Study on Axial Temperature Profile of Jet Fire of Oil-Filled Equipment in Substation
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Experimental Study on Axial Temperature Profile of Jet Fire of Oil-Filled Equipment in Substation
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Journal Article
Experimental Study on Axial Temperature Profile of Jet Fire of Oil-Filled Equipment in Substation
2021
Overview
With the widespread use of substations around the world, oil jet fire accidents from transformer oil-filled equipment in substations caused by faults have occurred from time to time. In this paper, a series of transformer oil jet fire experiments are carried out by changing the external heat source (30 cm and 40 cm) and the inner diameter of the container (5 cm, 8 cm and 10 cm) to study the axial centerline temperature distribution of the transformer oil jet fire plume of the transformer oil-filled equipment in the substation. The experiment uses K-type thermocouple, electronic balance and CCD to measure and assess the temperature distribution of the axial centerline of the fire plume of the transformer oil jet. The result demonstrates that the axial centerline temperature of the fire plume increases with the external heat release rate and the inner diameter of the container. In addition, a novel axial temperature distribution prediction model of the transformer oil jet fire plume is established. This model can effectively predict the oil jet fire plume temperature of transformer oil- filling equipment in substations, and provide help for substation fire control.
Publisher
MDPI AG
Subject
