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Gregory T. Linteris, Fumiaki Takahashi, Viswanath R. Katta, Valeri I. Babushok
Computation has been performed for a methane-air co-flow diffusion flame, in the cup-burner configuration, with a phosphorus- containing compound (PCC), dimethyl methylphosphonate (DMMP) or phosphoric acid, added to the oxidizer stream. The time- dependent
Rick D. Davis, Shonali Nazare, Szabolcs Matko, William M. Pitts, Mauro Zammarano
The document will be used to facilitate discussions between California Bureau of Electronics and Appliance Repair, Home Furnishings, and Thermal Insulation (CBEARHFTI) and us (Fire Research Division (FRD) at the National Institute of Standards and
Jiann C. Yang, Matthew F. Bundy, John L. Gross, Anthony P. Hamins, Fahim Sadek, Anand Raghunathan
This report summarizes the results of the global meeting to develop the International R&D Roadmap for Fire Resistance of Structures (the Roadmap) held May 2122, 2014, in Gaithersburg, Maryland. The workshop was sponsored by the National Institute of
Richard G. Gann, Morgan Bruns, Amanda Robbins, Edward J. Hnetkovsky, Michael Ladas
The introduction of cigarette ignition propensity standards has led to a reduction in the availability of high ignition propensity commercial cigarettes. Since high ignition propensity cigarettes are needed for soft furnishing flammability tests, a
Primary focus of this paper is to review existing test methods that quantify steam burn injuries and to compare bench-scale test methods that use pre-wetted samples as opposed to external steam exposures to evaluate heat and moisture transfer in protective
Nicolas Bouvet, Gregory T. Linteris, Valeri I. Babushok, Fumiaki Takahashi, Viswanath R. Katta
The effectiveness of phosphorus-containing compounds as gas-phase combustion inhibitors varies widely with flame type. To understand this behavior, experiments are performed with dimethyl methylphosphonate (DMMP) added to the oxidizer stream of methane-air
Gregory T. Linteris, Fumiaki Takahashi, Viswanath R. Katta, Valeri I. Babushok
The interaction of the gas-phase mechanisms of phosphorus flame retardants with the co-flow diffusion flame structure has been investigated computationally to complement the experimental research at NIST. Time-dependent axisymmetric computation was
A fundamental mathematical model of carpet is needed for studying the impact of component materials and thicknesses on tests that measure flammability. Of particular interest is the ASTM E648 radiant panel test, which is used to qualify floor coverings for
Valeri I. Babushok, Gregory T. Linteris, Donald R. Burgess Jr., Patrick T. Baker
The kinetic mechanism of hydrocarbon flame inhibition by the potential halon replacement 2-BTP has been assembled, and is used to study its effects on premixed methane-air flames. Simulations with varying CH4-air stoichiometry and agent loading have been
Florian Kempel, Bernhard Schartel, Julio M. Marti, Kathryn Butler, Riccardo Rossi, Sergio R. Idelsohn, Anja Hofmann
An experimental and numerical investigation of the impact of the additives bisphenol A bis(diphenyl phosphate) (BDP) and polytetrafluoroethylene (PTFE) on the fire behaviour of bisphenol A polycarbonate / acrylonitrile butadiene styrene (PC/ABS) in the
Mauro Zammarano, Timothy C. Mauldin, Jeffrey W. Gilman, John R. Shields, Dylan B. Timothy
A new isosorbide-based polyphosphate was synthesized and applied as a flame-retardant for polylactic acid (PLA). The storage modulus and glass transition temperature of PLA is unaffected by the inclusion of polyphosphonate, but moderate depressions of PLA
Gregory T. Linteris, Nicolas Bouvet, Valeri I. Babushok, Fumiaki Takahashi, Viswanath R. Katta, Stanislav Stoliarov, Peter B. Sunderland
The presentation discusses the influence of flame characteristics on gas-phase fire retardant effectiveness. First, the action of super-effective agents in co-flow diffusion flames is reviewed, highlighting how particle formation had a detrimental effect
Valeri I. Babushok, Gregory T. Linteris, Oliver Meier, John Pagliaro
A kinetic model is suggested for hydrocarbon-air flame propagation with addition of hydrochloroflurocarbon (HCFC) fire suppressants, encompassing the combined chemistry of fluorine- and chlorine-containing species. Calculated burning velocities using the
Yu-Chin Li, Yeon S. Kim, John R. Shields, Rick D. Davis
Layer-by-Layer (LbL) assembled multilayer thin films of deoxyribonucleic acid (DNA), chitosan (CHI), and montmorillonite (MMT), were studied in an effort to produce fully renewable, bio-based fire retardant coatings for flexible polyurethane foam. The PUF
Kathryn M. Butler, Alexander H. Cheng, Christopher Mullen, Ahmed Al-Ostaz
Applying a polymeric coating on steel members has been demonstrated to be an effective countermeasure for the threat of blast on building and other structures. The development of a blast-resistant coating for steel with good characteristics in a fire would
Rick D. Davis, Yeon S. Kim, Amanda A. Cain, Jaime C. Grunlan
The research presented here is the first report of fabricating multi-walled carbon nanotube (MWCNT) based thin coatings on polyurethane foam (PUF) using Layer-by-Layer assembly, and using MWCNTs to reduce the flammability of PUF. The (440.6 ± 47.1) nm
Shonali Nazare, William M. Pitts, Shaun M. Flynn, John R. Shields, Rick D. Davis
The purpose of fire blocking barrier materials is to reduce the flammability of soft furnishings ( mattresses and upholstered furniture) by preventing or delaying direct flame impingement from open flames and/or heat transfer from smoldering ignition
Yu-Chin Li, Yeon S. Kim, John R. Shields, Rick D. Davis
This is the most comprehensive evaluation of Layer-by-Layer (LbL) coatings intended to reduce the flammability of polymeric materials. Through a systematic variation of the coating recipe, an ideal combination of the coating attributes was identified that
Gregory T. Linteris, Richard E. Lyon, Stanislav Stoliarov
The present work explores the extent to which the time-dependent mass loss rate of three common thermoplastics, PP, PA66, POM, and PET when exposed to pure radiant heat flux, can be predicted from first principles. The material properties which control the
Gregory T. Linteris, Nicolas Ball, J. Raynard, Guillermo Rein, Jose L. Torero, M. Forsth, P. Boulet, G. Parent, Z. Acem
Radiative heat transfer to a solid is a key mechanism in fire dynamics, and in-depth absorption is especially of importance for translucent fuels. The sample-heater interaction for radiative heat transfer is experimentally investigated in this study with
Mauro Zammarano, Rick D. Davis, Yeon S. Kim, Richard H. Harris Jr., Marc R. Nyden, Jeffrey W. Gilman, Nasir M. Uddin
Nanoparticles can effectively reduce polymer flammability; however, the impact of nanoparticles on environmental and health safety is still unclear. The purpose of this study is twofold: (1) to develop and investigate the effect of nanoparticle-rich
Shonali Nazare, William M. Pitts, Shaun M. Flynn, Rick D. Davis, John R. Shields
This document provides guidelines to quantify fire performance properties of fire blocking barrier materials used in soft furnishings. In an attempt to enable a priori selection of fire barrier materials such that the final upholstered product complies
Gregory T. Linteris, Nicolas Ball, J. Raynard, Jose L. Torero, P. Boulet, G. Parent, Z. Acem, M. Forsth
The sample-heater interaction for radiative heat transfer has been experimentally investigated for clear PolyMethylMethAcrylate (PMMA) samples with two different heaters (electric resistance and tungsten lamp). The significant impacts of the sample
Douglas M. Fox, Srilatha Temburni, Melissa Novy, Laura Flynn, Mauro Zammarano, Yeon S. Kim, Jeffrey W. Gilman, Rick D. Davis
Poly(lactic acid) was flame retarded using cellulose-based intumescing flame retardants. Cellulose was an excellent carbon source in combination with ammonium polyphosphate (APP), exhibiting good thermal stabilities and UL-94 ratings of V-0