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Search Publications by: Anthony Hamins (Fed)

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Displaying 351 - 375 of 388

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

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

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

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

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

Extinction of Nonpremixed Flames With Halogenated Fire Suppressants

July 31, 1994
Author(s)
Anthony P. Hamins, D Trees, K Seshadri, H K. Chelliah
An experimental, analytical, and numerical study was performed to elucidate the influence of eleven gaseous agents, considered to be substitutes for CF3Br, on the structure and critical conditions of extinction of diffusion flames burning liquid

Flame Suppression Effectiveness (NIST SP 861)

April 1, 1994
Author(s)
Anthony P. Hamins, G. Gmurczyk, William L. Grosshandler, R. G. Rehwoldt, I Vazquez, Thomas G. Cleary, Cary Presser, K Seshadri
A flame will be extinguished when the time required for the chain reaction which sustains combustion exceeds the time it takes to replenish the necessary heat and reactants. A characteristic time for reaction can be estimated from the inverse of a global
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