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                            Events
 Ventilation Limited Fires: Considerations for Fire Pattern Analysis Event Dates
              June 10, 2020, 1:00 pm
 – 2:00 pm
Event Duration
              1 hour
Location
              Online

Register

During the past decade, the UL Firefighter Safety Research Institute has conducted research examining fire-fighting tactics.  This research found that factors such as construction materials, contents, size, and geometry have a significant impact on residential structure fires.  These factors also impact fire investigation.  Today’s fires are predominantly fueled by synthetic contents and commonly become ventilation-limited, meaning that how and where the fire receives oxygen impacts the fire dynamics and subsequent fire patterns.

This presentation will examine the changes that have occurred on the fire scene through comparisons of furnishings made with natural materials and furnishing composed of synthetic materials.  Additionally, we will review fire dynamics basics and flow paths to prepare for examining results from a series of full-scale house experiments.  The experiments examined the changes in fire patterns relative to the changes in ventilation.  The structures built for the study included a 1,200 sq. ft. one-story ranch structure and a 3,200 sq. ft. two-story colonial.  The colonial had an open design floor plan, which included a two-story family room and open foyer.  The results from the full-scale experiments demonstrate how “two points of origin” may be generated from a single point of origin.

The experiments were planned with the assistance of a technical panel that included members of ATF, IAAI, NAFI, NASFM, NIST, NIST OSAC, and NFPA 921.  The test scenarios ranged from fires in the structures with no exterior ventilation to room fires with flow paths that connected the fires with remote intake and exhaust vents throughout the structures.  This study was supported by a grant from the National Institute of Justice.
View Full Event Page
  
  
          Details
Event Type
              Webinar
    Event Option(s)
          Online,
                        On demand

Sponsor(s) / Host(s)

National Institute of Justice (NIJ), U.S. Department of Justice;Forensic Technology Center of Excellence
    Contact
          NIJ Forensic Technology Center of Excellence

  Link
              If you have questions about this course, contact the FTCoE

  Registration Dates
              May 5, 2020 - June 10, 2020

  Registration Status
              Open

  Eligibility
              Free and  open to all.
    
  
Read more about
    
            Pattern evidence
        Technical assistance (TA)
        Fire investigation
        Arson
        Arson investigations
        Forensic sciences
        Evidence analysis and processing
        Forensic Technology Center of Excellence
  
Date Created: May 6, 2020
    
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