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Fire

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Displaying 1 - 25 of 7699

The Burning Characteristics of 3 m to 6 m Dry Douglas-Fir Trees

May 1, 2025
Author(s)
Erik Johnsson, Giovanni Di Cristina Torres, Eric Mueller, Matthew Bundy, Anthony Chakalis, Marco Fernandez, Anthony Hamins
A series of experiments are reported on the burning behavior of dry, 3 m to 6 m tall, Douglas fir trees. The measurements were conducted in the open under quasi-quiescent conditions. The global measurements reported include the transient, peak, and total

Wind-Driven Fire Spread to a Structure from Landscape Timbers

April 16, 2025
Author(s)
Erik Johnsson, Kathryn Butler, Marco Fernandez, Wei Tang, Shonali Nazare, Philip Deardorff, Sebastian Arana, Alexander Maranghides
NIST is studying how combustible landscape features around a home burn to better understand their levels of hazard and potential roles in spreading wildland-urban interface (WUI) fires. A series of field experiments was conducted to examine the effects of

Global Burning Properties of Little Bluestem, Excelsior and Douglas Fir

April 15, 2025
Author(s)
Kunhyuk Sung, Eric Mueller, Matthew Bundy, Marco Fernandez, Anthony Hamins
A series of experiments were conducted to better understand the burning characteristics of three types of vegetative fuels: Little Bluestem grass, Douglas fir trees, and Excelsior. The measurements included the transient heat release rate (HRR) determined

The Character of Burning Residential and Office Items

March 31, 2025
Author(s)
Anthony Hamins, Giovanni Di Cristina Torres, Matthew Bundy, Anthony Chakalis, Marco Fernandez, Ickchan Kim, Selvarajah Ramesh, Mauro Zammarano
A series of experiments are reported on the burning behavior of single items and assemblies commonly found in offices and residences, including chairs, sofas, mattresses with pillows and bedclothes, and some miscellaneous items such as laptops, bookshelves

Suspect Screening of Per- and Polyfluoroalkyl Substances in New Firefighter Turnout Gear Textiles

March 20, 2025
Author(s)
Andrew Maizel, Andre Thompson, Benjamin Place, Alix Rodowa, Jessica Reiner, Audrey Tombaugh, Halen Solomon, Brittany Stinger, Michelle Donnelly, Rick Davis
Firefighter turnout gear provides protection from exposure to flame, heat, and liquids, but has also been found to contain numerous per- and polyfluoroalkyl substances (PFAS). Previous examinations of PFAS in firefighter turnout gear have predominantly

Fire Data Generator (FD-Gen) v1.0.0

March 6, 2025
Author(s)
Hongqiang Fang, Wai Cheong Tam
This document serves as the documentation for the Fire Data Generator (FD-Gen), an automated tool designed to streamline the creation of multiple Fire Dynamics Simulator (FDS) input files. By employing Monte Carlo methods to sample relevant fire parameters

An Analysis of Aerosol Dynamics with Diffusion-Limited Growth in a Batch Reactor

December 16, 2024
Author(s)
Jiann Yang, Thomas Cleary, George Mulholland
A set of approximate first-order ordinary differential equations was derived from the general dynamic equation (GDE) to study the aerosol dynamics with homogeneous nucleation and condensational diffusion-limited growth in an isothermal batch reactor. A

Thermal Exposure of Objects Near Burning Electrical Enclosures

December 16, 2024
Author(s)
Kevin McGrattan, Isaac Leventon
This report documents a series of fire experiments performed within steel electrical enclosures and on open "ladder back" cable trays. The first objective is to measure the heat release rates and qualitatively understand the burning behavior of circuit

The Global and Local Structure of Medium-Scale Pool Fires

October 24, 2024
Author(s)
Kunhyuk Sung, Ryan Falkenstein-Smith, Matthew Bundy, Marco Fernandez, Anthony Hamins
A series of experiments are reported that characterize key features of the structure of eight medium-scale pool fires (0.3 m to 0. 4 m) burning a variety of liquid and gaseous fuel types, including 30 cm diameter liquid pool fires burning methanol, ethanol

Deformation of PMMA samples in cone calorimeter and anaerobic gasification experiments

October 20, 2024
Author(s)
Karen De Lannoye, Isaac Leventon, Lucie Hasalova, Alexander Belt, Ernst-Arndt Reinecke, Lukas Arnold
16 Cone calorimetry and anaerobic gasification experiments are often used to assess material 17 flammability of bench-scale (coupon sized) samples in response to well-characterized external radiant 18 heating. In this project, it has been observed that the

Effects of Weathering and Formulation on the Properties of Vinyl Siding

September 23, 2024
Author(s)
Ronald Lankone, Mauro Zammarano, Song Jhang, Ickchan Kim, David Goodwin, Gianluca Sarti, Stefano Gardi, Camillo Cardelli, Lipiin Sung
Vinyl siding has become a popular choice for residential exteriors across the United States. In its insulated form, this siding includes a shell, capstock, and substrate, that encase a foamed material, serving as an efficient insulating material. While it

Smoke Emissions and Buoyant Plumes above Prescribed Burns in the Pinelands National Reserve, New Jersey

September 21, 2024
Author(s)
Kenneth Clark, Michael Gallagher, Nicholas Skowronski, Warren Heilman, Joseph Charney, Matthew M. Patterson, Jason Cole, Eric Mueller, Rory Hadden
Prescribed burning is a cost-effective method for reducing hazardous fuels in pine and oak-dominated forests, but smoke emissions contribute to atmospheric pollutant loads and the potential exists for exceeding Federal air quality standards designed to

Detailed radiation modeling of two flames relevant to fire simulation using Photon Monte Carlo - Line by Line radiation model

September 5, 2024
Author(s)
Chandan Paul, Somesh Roy, Johannes Sailer, Fabian Braennstroem, Mohamed Ahmed, Arnaud Trouve, Hadi Bordbar, Simo Hostikka, Randall J. McDermott
This work reports benchmark data sets for radiative heat transfer in two distinct fire configurations obtained from the Measurement and Computation of Fire Phenomena (MaCFP) working group database. The cases include a 19.2 kW non-sooting turbulent methanol

Detecting Firefighter's Tenability Utilizing Machine Learning

August 30, 2024
Author(s)
Qi Tong, Hongqiang FANG, Eugene Yujun Fu, Wai Cheong Tam, Thomas Gernay
The proposed research aims to leverage machine learning to detect thermal operating classes and improve the tenability of firefighters in a commercial building. A total of 3000 simulations are run with FDS to collect temperature from heat detectors. The