Comparison of a diagnostic wildfire modeling system (HIGRAD/BEHAVE) with a self-determining wildfire modeling system (HIGRAD/FIRETEC)

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In this paper details of the wildfire modeling system are illustrated. First the dynamical model, HIGRAD, capable of accurately resolving regions of strong gradients, is described. Next, the two wildfire models FIRETEC and BEHAVE are introduced. Unlike the traditional point-functional approach used in the BEHAVE-like fire model, FIRETEC is a self-determining fire model. The benefits of the HIGRAD/FIRETEC approach with respect to HIGRAD/BEHAVE are shown in the results section of this paper. Two major conclusions are drawn in this section. The first conclusion is that the rate of spread of a fire to a first approximation is independent of the ... continued below

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15 pages

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Reisner, J.; Linn, R. & Bossert, J. December 31, 1998.

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Description

In this paper details of the wildfire modeling system are illustrated. First the dynamical model, HIGRAD, capable of accurately resolving regions of strong gradients, is described. Next, the two wildfire models FIRETEC and BEHAVE are introduced. Unlike the traditional point-functional approach used in the BEHAVE-like fire model, FIRETEC is a self-determining fire model. The benefits of the HIGRAD/FIRETEC approach with respect to HIGRAD/BEHAVE are shown in the results section of this paper. Two major conclusions are drawn in this section. The first conclusion is that the rate of spread of a fire to a first approximation is independent of the local wind velocity. The second conclusion is that HIGRAD/FIRETEC can be used to develop point-functions for use in HIGRAD/BEHAVE.

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15 pages

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OSTI as DE00314170

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  • Other Information: Supercedes report DE99001762; PBD: [1998]

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  • Other: DE99001762
  • Report No.: LA-UR--98-2871
  • Report No.: CONF-981138--
  • Grant Number: W-7405-ENG-36
  • DOI: 10.2172/314170 | External Link
  • Office of Scientific & Technical Information Report Number: 314170
  • Archival Resource Key: ark:/67531/metadc684045

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  • December 31, 1998

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  • July 25, 2015, 2:20 a.m.

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  • May 5, 2016, 6:23 p.m.

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Reisner, J.; Linn, R. & Bossert, J. Comparison of a diagnostic wildfire modeling system (HIGRAD/BEHAVE) with a self-determining wildfire modeling system (HIGRAD/FIRETEC), report, December 31, 1998; New Mexico. (digital.library.unt.edu/ark:/67531/metadc684045/: accessed November 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.