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Author Thomsen, M.; Fernandez-Pello, A.C.; Williams, F.A. doi  openurl
  Title On the Growth of Wildland Fires from a Small Ignition Source Type
  Year (up) 2023 Publication Combustion Science and Technology Abbreviated Journal Combust. Sci. Technol.  
  Volume Early Access Issue Pages  
  Keywords Wildfire; spot ignition; fire growth; rate of spread; fire model  
  Abstract Wildland and Wildland-Urban-Interface (WUI) fires are an important problem that may have major consequences in terms of safety, air quality, and damage to buildings, infrastructure, and the ecosystem. It is expected that with climate change, the wildland fire and WUI fire problem will only intensify. Wildland fires are often initiated by small ignition sources caused either by human intervention (hot metal fragments or burning biomass) or by natural events (lighting or sun heating). Once the wildfire or structural fire has been ignited and grows, it can spread rapidly through ember spotting, where pieces of burning materials are lifted by the plume of the fire and then transported forward by the wind, landing where they can start spot fires downwind. The ignition mechanisms for all of these fires have the common characteristic of a small and localized area of origin, with the subsequent spread of the fire to wider and larger areas. Because of the three-dimensional characteristics of this type of propagating fire, its rate of spread has an initial acceleration phase leading to an equilibrium rate of spread when the fire reaches a certain size, which is referred to as a “line-fire” type of spread. Most of the studies on wildland fire propagation have been conducted with line fires and have been concerned with characterizing the equilibrium rate of spread rather than the initial spread from a small ignition source. In this paper, some of the studies conducted to date on the subject of wildland fire growth from a small ignition source, and the physics supporting the mathematical expressions that are used to describe the growth of the fire are discussed. An attempt is also made to provide support for these works through a more fundamental approach to model the problem.  
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  Series Volume Series Issue Edition  
  ISSN 0010-2202 ISBN Medium  
  Area Expedition Conference  
  Notes WOS:001034393700001 Approved  
  Call Number UAI @ alexi.delcanto @ Serial 1845  
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