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Displaying 2976 - 3000 of 3908

Fire Fighting Properties (NISTIR 6191)

July 1, 1998
Author(s)
D W. Stroup, Daniel M. Madrzykowski
Water uses several different mechanisms to suppress and extinguish fires: fuel cooling, flame cooling, oxygen displacement and reduction of radiation feedback to the fuel. Laboratory experiments were conducted to determine which of these mechanisms play

Introduction (NISTIR 6191)

July 1, 1998
Author(s)
Daniel M. Madrzykowski
The Building and Fire Research Laboratory (BFRL) of the National Institute of Standards and Technology (NIST), under the sponsorship of the United States Fire Administration (USFA), has conducted a series of experiments to demonstrate the suppression

Mean Recurrence Intervals of Ultimate Wind Loads

July 1, 1998
Author(s)
Emil Simiu, A N. Heckert, T Whalen
The attention of wind engineers and extreme value climatologists has been focused in the last few decades on estimates of basic windspeeds, that is, wind speeds with 50 year or 100 year mean recurrence intervals (MRIs). Recently, however, efforts have been

Project Summaries 1998. NIST Building and Fire Research Laboratory

July 1, 1998
Author(s)
Noel J. Raufaste Jr
NIST's Building and fire Research Laboratory (BFRL), one of NIST's seven Laboratories, enhances the competitivness of U.S. industry and public safety rhgough performance prediction and measurement technologies and technical advances that improve the life

Seismic Performance of Masonry Walls With Bed Joint Reinforcement

July 1, 1998
Author(s)
A E. Schultz, R S. Hutchinson, Geraldine Cheok
In-plane cyclic load tests of partially grouted concrete masonry shear walls with bed joint reinforcement are presented. Specimen design and construction, and simulated seismic testing procedures, are summarized. Lateral force resistance mechanisms are

A Study of a Water-to-Water Heat Pump Using Flammable Refrigerants

June 1, 1998
Author(s)
William V. Payne, Piotr A. Domanski, J Muller
This investigation compared the performance of R22 to the performance of R290 and that of flammable zeotropic mixtures, R32/290 and R32/152a. The tests were conducted in a test apparatus specially designed to simulate a residential water-to-water heat pump

Water Additives for Increased Efficiency of Fire Protection and Suppression

May 28, 1998
Author(s)
Daniel M. Madrzykowski
The Building and Fire Research Laboratory at the National Institute of Standards and Technology, under the sponsorship of the United States Fire Administration, has examined methods for demonstrating the fire protection and suppression effectiveness of

An Apparatus for Evaluating Liquid Fire Suppressants

May 12, 1998
Author(s)
Jiann C. Yang, Michelle K. Donnelly, William L. Grosshandler, N C. Prive
Cup burners have been extensively used as a fire suppression efficiency screening tool for gaseous halon alternatives. In the search for alternatives to halons in fire suppression, it is likely that several types of condensed-phase compounds will be

Automation Infrastructure System for a Robotic 30-Ton Bridge Crane

April 1, 1998
Author(s)
William C. Stone, L E. Pfeffer
This paper describes the sensing portion of a system used to convert an existing 30-ton high bay bridge crane to computer control for automated placement of construction components. The system is being designed to permit either telepresent or fully
Displaying 2976 - 3000 of 3908
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