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Fire

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Displaying 3201 - 3225 of 3910

Heat Release Mechanisms in Inhibited Laminar Counterflow Flames (Conference)

November 6, 1994
Author(s)
Ki Y. Lee, Don J. Cha, I K. Puri, Anthony Hamins
Both the chemical kinetic and thermal channels of inhibition must be simultaneously characterized in order to understand the effectiveness of chemical agents on flame stability. However, due to the participation of inhibitors in flame chemistry, it is

Simulating the Effect of Flat Beamed Ceiling on Detector and Sprinkler Response

November 6, 1994
Author(s)
Glenn P. Forney, Richard W. Bukowski, William D. Davis
This paper documents a portion of the work performed during the first year of the International Fire Detection Research Project sponsored by the National Fire Protection Research Foundation (NFPRF). The first task was to confirm that fire sensor response

Suppression of Simulated Engine Nacelle Fires (NISTIR 5499)

October 17, 1994
Author(s)
Anthony P. Hamins, D. Baghdadi, P. Borthwick, M Glover, William L. Grosshandler, D L. Lowe, L Melton, Cary Presser
The engine nacelle encases the jet engine compressor, combustor and turbine. A nacelle fire is typically a turbulent diffusion flame stabilized behind an obstruction in a moderately high speed air flow. The most likely source for a fire in the nacelle are

Field Modeling: Simulating the Effect of Sloped Beamed Ceilings on Detector and Sprinkler Response. International Fire Detection Research Project. Technical Report. Year 2

October 1, 1994
Author(s)
William D. Davis, Glenn P. Forney, Richard W. Bukowski
The rapid activation of fire detection and suppression systems in response to a growing fire is one of the important factors required to provide for life safety and property protection. Rapid activation requires that sensors be located at optimal distances

Visual Measurement Technique for Analysis of Nucleate Flow Boiling (NISTIR 5519)

October 1, 1994
Author(s)
Mark A. Kedzierski, J. M. Crowder, A. M. Jacobi, L. Zhang
This report records a visual measurement technique for analyzing bubbles formed by nucleate flow boiling. The purpose of measuring these bubbles is to expand understanding the boiling process. By studying the behavior of these vapor bubbles, a better

Acid Gas Production in Inhibited Premixed Flames (NISTIR 5499)

September 1, 1994
Author(s)
Gregory T. Linteris, M D. King, A Liu
Halogenated fire extinguishing agents such as CF3Br decompose in flames to form hydrogen halides such as HF and HBr and other toxic and corrosive products. Possible replacements for halon 1301 are required in significantly higher concentrations to

Experimental Study of the Optical Properties of Soot and Smoke (NISTIR 5499)

September 1, 1994
Author(s)
M Y. Choi, George W. Mulholland, Anthony Hamins, Takashi Kashiwagi
The accurate measurement of flame-generated particlates is a problem of current interest to researchers in the fire and combustion community. Within the flame, the soot concentration measurement is central to the study of soot growth and for radiant

Fire-Induced Mass Flow Into a Reduced-Scale Enclosure (NISTIR 5499)

September 1, 1994
Author(s)
Erik L. Johnsson, Nelson P. Bryner, William M. Pitts
Enclosure fires are of great interest because of the resulting loss of life and property, yet the fluid dynamic and chemical behaviors of fires within enclosures are still not well understood. In recent decades, it has become clear that burning rates, fire

Flame Suppression Effectiveness of Halon Alternatives (NISTIR 5499)

September 1, 1994
Author(s)
William L. Grosshandler, Anthony P. Hamins
The elimination of new production of halon 1301 has forced the manufacturers, owners, and users of aircraft to search for an alternative. The program described here developed performance screens for candidate agents as a means to identify the best

Model for the Burning of a Horizontal Slab of Wood: Status Report (NISTIR 5499)

September 1, 1994
Author(s)
Kenneth D. Steckler, Anthony P. Hamins, Takashi Kashiwagi
We are in the process of developing a burning-rate model for char-forming materials. Currently, the combustion of a horizontal slab of wood, exposed to an external radiant source, is being modeled in terms of two coupled sub-models which simulate gas and

Pipe Flow Characteristics of Alternative Agent/Nitrogen Mixtures (NISTIR 5499)

September 1, 1994
Author(s)
Thomas G. Cleary, M D. King, Jiann C. Yang, William L. Grosshandler
The evaluation of alternative agents for application in engine nacelle fire protection includes delivery efficiency of agent from a remote storge bottle through piping to the nacelle injection loacation. Present military requirements for halon systems

Pool Burning of Silicone Fluids (NISTIR 5499)

September 1, 1994
Author(s)
R Buch, Anthony Hamins, John R. Shields, P. Borthwick, R T. Baum, Marc R. Nyden, Takashi Kashiwagi
Siloxane fluids have a number of industrial applications including use as transformer fluids. The objective of the present study was to improve our understanding of the burning of siloxane fluids. The fluids studied are octamethylcyclotetra siloxane, [(CH3

Santa Ana Fire Department Experiment at 1315 South Bristol, July 14, 1994. Report of Test.

August 31, 1994
Author(s)
Anthony D. Putorti Jr., William D. Walton, W H. Twilley, Scott Deal, John Albers
This report of test addresses a fire experiment conducted on July 14, 1994 in a vacant single family dwelling at 1315 South Bristol Street in Santa Ana, California. Fire phenomena measured included: temperatures within various rooms, the velocity and

Santa Ana Fire Department Experiment at 1315 South Bristol, July 14, 1994. Report of Test.

August 31, 1994
Author(s)
Anthony D. Putorti Jr., William D. Walton, W H. Twilley, Scott Deal, J. C. Albers
The Santa Ana Fire Department of Santa Ana, California conducted a series of fire experiments in residences on South Bristol Street in the city of Santa Ana in July, 1994. NIST provided technical support, consisting of measurements of fire phenomena, to

Upward Flame Spread on Composite Materials

August 28, 1994
Author(s)
Thomas J. Ohlemiller, Thomas G. Cleary
The composite materials of interest in this work contain several piles of long, high strength fibers, typically woven in some fixed pattern; the layered multi-ply structure is embedded with an organic polymer resin. Such composites offer a high strength-to
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