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Fire

Fire modeling

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Displaying 76 - 100 of 276

Assessment of Radiation Solver of Fire Simulation Models Using RADNNET-ZM

September 13, 2019
Author(s)
Wai Cheong Tam, Walter W. Yuen
The paper presents a neural-network based zonal method (RADNNET-ZM) for the analysis of radiative heat transfer in an arbitrary Cartesian enclosure with an isothermal, inhomogeneous, non-gray medium. The model accounts for the non-gray effect of absorbing

Towards a Process to Quantify the Hazard of Fire Protection Design Alternatives

May 1, 2019
Author(s)
Paul A. Reneke, Morgan Bruns, Stanley W. Gilbert, Chandler P. MacLaren, Richard D. Peacock, Thomas G. Cleary, David T. Butry
There are a variety of fire protection technologies that have the potential to improve life safety in residences including barrier fabrics for upholstered furniture, new nano-scaled flame retardants, or better fire detector technology. However, there is no

VISUALIZING SMOKE AND FIRE

October 3, 2018
Author(s)
Glenn P. Forney
This note discusses some of the physics and associated numerical algorithms used by Smokeview to visualize smoke and fire. Realistic visualization methods are important for applications where one wishes to observe qualitative effects of fire and smoke

Development and Validation of a Mechanism for Flame Propagation in R-32/Air Mixtures

March 6, 2018
Author(s)
Donald R. Burgess Jr., Jeffrey A. Manion, Robert R. Burrell, Valeri I. Babushok, Michael Hegetschweiler, Gregory T. Linteris
A mechanism for the combustion of the refrigerant R-32 (CH2F2) in air mixtures was developed and validated through comparisons with measured flame speeds for a range of equivalence ratios (0.9 to 1.4) and pressures (1 to 3 bar) using a constant-volume

The Long-Term Maintenance of CFAST

September 20, 2017
Author(s)
Kevin B. McGrattan, Richard D. Peacock, Glenn P. Forney
Even though zone fire models may seem like yesterday’s news, they still play a vital role in many aspects of fire protection engineering. How do we maintain this technology as it moves from a topic of research to a case study in knowledge management?

Modeling flame extinction and reignition in large eddy simulations with fast chemistry

May 16, 2017
Author(s)
James White, Sebastien Vilfayeau, Andre Marshall, Arnaud Trouve, Randall McDermott
This work seeks to support the validation of large eddy simulation (LES) models used to simulate the response of fires to the activation of a suppression system. The emphasis in the present study is on the prediction of flame weakening and extinction when