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Author (up) Alvarez, C.; Moreno, G.; Valenzuela, F.; Rivera, J.I.; Ebensperger, F.; Reszka, P.; Fuentes, A.
Title Use of an electric heater as an idealized firebrand to determine ignition delay time of Eucalyptus globulus leaves Type
Year 2023 Publication Fire Safety Journal Abbreviated Journal Fire Saf. J.
Volume 141 Issue Pages 103923
Keywords Wildfires; Spotting fires; Thermal model
Abstract The Idealized-Firebrand Ignition Test (I-FIT) protocol was used to evaluate the piloted ignition delay times of fuel beds composed of leaves of Eucalyptus globulus (Labill.). The amount of fuel layer used for evaluation ranged between the fraction volume (������) of 0.03 to 0.07 which are values expected to be found in forest bed fuels. A theoretical model was developed to describe the heating and ignition of the fuel beds, based on the thermal ignition theory. The model, which was originally developed for pine needle beds, considers the penetration of radiation to the porous matrix. The model is able to accurately predict the ignition delay time for different values of ������, but shows a poorer accuracy for the temperature evolution. This is explained by the large variability observed for the Eucalyptus leaves.
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Language Summary Language Original Title
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Series Volume Series Issue Edition
ISSN 0379-7112 ISBN Medium
Area Expedition Conference
Notes WOS:001072435400001 Approved
Call Number UAI @ alexi.delcanto @ Serial 1889
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