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Displaying 3001 - 3025 of 3892

Field Modeling: Simulating the Effects of HVAC Induced Air Flow From Various Diffusers and Returns on Detector Response. International Fire Detection Research Project. Year 4 Report/Data

January 1, 1998
Author(s)
J H. Klote, William D. Davis, Glenn P. Forney, Richard W. Bukowski
Rapid activation of fire protection systems in response to a growing fire is one of the important factors required to provide for life safety and property protection. Airflow due to the heating, ventilating and air conditioning (HVAC) system can

Inhibition Effectiveness of Halogenated Compounds

January 1, 1998
Author(s)
T Noto, Valeri I. Babushok, Anthony Hamins, Wing Tsang
A numerical study of the inhibition efficiency of halogenated compounds was carried out for C1-C2 hydrocarbon-air laminar premixed flames. The inhibition efficiency of CF3Br, CF3I, CF3H, C2HF, C2F6, and CF4 additives was interpreted using an additive group

Issues in Evaluation of Complex Fire Models

January 1, 1998
Author(s)
Richard D. Peacock, Paul A. Reneke, Glenn P. Forney, M. M. Kostreva
Several methods of evaluation of the predictive capability have been applied to fire models, but with limited utility. These range from explicit evaluation of the equations used in simple models such as ASET to pointwise evaluation of complex models from

Methodology for Obtaining and Using Toxic Potency Data for Fire Hazard Analysis

January 1, 1998
Author(s)
Vyto Babrauskas, Richard Gann, Barbara C. Levin, M Paabo, Richard H. Harris Jr., Richard Peacock, S Yusa
A comprehensive methodology has been developed for obtaining and using smoke toxicity data for fire hazard analysis. This description of the methodology comprises (1) determination that the post-flashover fire is the proper focus of smoke inhalation deaths

Post-Installed Anchors. A Literature Review

January 1, 1998
Author(s)
Geraldine S. Cheok, Long T. Phan
A literature review of studies on the behavior of post-installed concrete anchors is presented. The survey covers several types of anchors that are subjected to tension loads, shear loads, and to combined shear and tension loads. Brief summaries of the

Review of Mechanical Properties of HSC at Elevated Temperature

January 1, 1998
Author(s)
Long T. Phan, Nicholas J. Carino
A compilation of experimental results on the mechanical properties of concrete when exposed to rapid heating as in a fire are presented. Emphasis is placed on concretes with high original compressive strengths. That is, high-strength concretes (HSCs). The

Suppression of Ignition Over a Heated Metal Surface

January 1, 1998
Author(s)
Anthony P. Hamins, Robert P. Borthwick
The effectiveness of various agents including N2, C3HF3, C3HF7, CF3Br and CF3I was compared in suppressing the ignition of stoichiometric mixtures of methane/air, propane/air, and ethene/air. Measurements were made of the critical ignition temperature of

Universal Relationships in Sooting Methane-Air Diffusion Flames

January 1, 1998
Author(s)
C. R. Kaplan, G P. Patnaik, K. Kailasanath
The laminar flamelet concept is based on the premise that scalar properties in laminar diffusion flames are nearly universal functions of mixture fraction. It has been well-tested and proven for temperature and the major species, however, few studies have

Simplified Fire Growth Calculations

December 31, 1997
Author(s)
E K. Budnick, D D. Evans, H Nelson
This work is one chapter of the 19th NFPA Fire Protection Handbook directed at giving the user simplified methods to estimate quantities used in fire protection engineering. The areas included are: ignitability of solids, energy release rate, flame heights

Fire Suppression Efficiency Screening Method

December 3, 1997
Author(s)
Jiann C. Yang, Michelle K. Donnelly, William L. Grosshandler
Most of the current methods for fire suppression efficiency screening (e.g., cup burners) are designed for screening agents that can be delivered in the form of vapor. The search for alternatives to halons for fire suppression applications has identified

Full Scale Room Burn Pattern Study (NIJ Report 601-97)

December 1, 1997
Author(s)
Anthony D. Putorti Jr.
One method fire investigators use to determine the cause and origin of a fire is the study of patterns or "indicators" left on building components or building contents by the fire. Previous studies have shown that some traditionally used indicators have

Data Structures for the Fire Data Management System, FDMS 2.0 (NISTIR 6088)

November 1, 1997
Author(s)
Rebecca W. Portier, Richard Peacock, Paul A. Reneke
Fire Data Management System, FDMS, is a design for a computer database to store and retrieve fire test results obtained from bench-scale and real-scale tests as well as fire simulation programs. By storing available fire test values in a common format

Project Summaries 1997; NIST Building and Fire Research Laboratory

November 1, 1997
Author(s)
Noel J. Raufaste Jr
The National Institute of Standards and Technology's [NIST], Building and Fire Research Laboratory [BFRL] is one of NIST's seven Laboratories. The mission of BFRL is to enhance the competitiveness of U.S. industry and public safety by developing

Cumulative Seismic Damage of Reinforced Concrete Bridge Piers

October 1, 1997
Author(s)
S K. Kunnath, A El-Bahy, A W. Taylor, William C. Stone
A comprehensive experimental study was undertaken in this research effort to investigate cumulative damage in reinforced concrete circular bridge piers. Twelve identical quarter-scale bridge columns, designed and fabricated in accordance with current
Displaying 3001 - 3025 of 3892
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