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Author (up) Rivera, J.; Hernandez, N.; Consalvi, JL.; Reszka, P.; Contreras, J.; Fuentes, A. doi  openurl
  Title Ignition of wildland fuels by idealized firebrands Type
  Year 2021 Publication Fire Safety Journal Abbreviated Journal Fire Saf. J.  
  Volume 120 Issue Pages 103036  
  Abstract Experiments were carried out in the Idealized-Firebrand Ignition Test (I-FIT), a bench scale apparatus specifically designed to test the ignition of forest fuel layers from a representative firebrand. A cylindrical heater was used to model the firebrand, which allowed to control the incident radiative heat flux on the specimen, from the critical heat flux up to 25 kW/m2, for five different porosities of the fuel layer. Experimental ignition delay times were interpreted based on a theoretical model of the radiative heating of the fuel layer. Radiative heat transfer within the fuel layer was modeled by using the P1 approximation. In the limit of small ignition delay times an analytical expression was derived to correlate the inverse of the ignition time to the incident heat flux. This analytical expression is used to obtain the ignition temperature and effective properties for the forest fuel layers, namely the product of the fuel volume fraction by solid fuel density and solid heat capacity. Analytical solutions were found to be consistent with experimental data and a correlation relating the inverse of the non-dimensional time-toignition to the non-dimensional heat flux is provided.  
  Corporate Author Thesis  
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  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0379-7112 ISBN Medium  
  Area Expedition Conference  
  Notes WOS:000639876600016 Approved  
  Call Number UAI @ alexi.delcanto @ Serial 1388  
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