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Displaying 951 - 975 of 3882

Inter-laboratory study approach to validate the performance of a prototype reference material for product emissions testing

May 2, 2011
Author(s)
Cynthia H. Reed, Andrew K. Persily, Zhe Liu, Steve Cox, John Little, Wolfgang Horn, Olaf Wilke, Katharina Wiegner
Product emissions chamber testing involves a complex protocol with several sources of measurement uncertainty (ASTM, 2010; ISO, 2006). Despite the potential for significant variability in measurement results within and among laboratories, there is no

Rheological Characterization of Flow Table Reference Material

April 29, 2011
Author(s)
Chiara F. Ferraris, Haleh Azari
The flow table is a standardized test that is widely used to qualify a mortar to be tested for compressive strength and air content. It is also the only standard test to quantify a mortar workability property. Therefore, the calibration of this device is

LABORATORY ACCELERATED AND NATURAL WEATHERING OF STYRENE-ETHYLENE-BUTADIENE-STYRENE (SEBS) BLOCK COPOLYMER: ACCELERATION AND CORRELATION

March 23, 2011
Author(s)
Kar T. Tan, Christopher C. White, David J. Benatti, Deborah S. Jacobs, Donald L. Hunston
Indoor accelerated and outdoor field weathering of styrene-ethylene-butadiene-styrene block copolymer have been studied by Fourier transform infrared (FTIR) spectroscopy. In the indoor accelerated experiments, specimens are exposed to ultraviolet-visible

Consumer Use of Dishwashers, Clothes Washers, and Dryers: Data Needs and Availability

March 21, 2011
Author(s)
Christopher Iglehart, Natascha S. Milesi-Ferretti, Michael Galler
NIST provides technical support to the DOE in developing test procedures for a variety of residential appliances. As part of this process, DOE seeks representative consumer use data to establish test procedures that are representative of real world use

High Pressure Release and Dispersion of Hydrogen in a Partially Enclosed Compartment

March 1, 2011
Author(s)
Kuldeep R. Prasad, Thomas G. Cleary, William M. Pitts, Jiann C. Yang
The study of compressed hydrogen release from high-pressure storage systems has practical application for hydrogen and fuel cell technologies. Such releases may occur either due to accidental damage to a storage tank or connecting piping, or direct PRD

Characterization of Approach Air Distribution for a Finned-Tube Heat Exchanger

February 18, 2011
Author(s)
David A. Yashar, Piotr A. Domanski, Hong H. Cho
The distribution of air flow approaching a finned-tube heat exchanger is one of the predominant factors influencing the heat exchanger’s performance. This paper describes a method for measuring and predicting the inlet air flow distribution using Particle

Industry Needs Workshop: Metrics and Tools for Sustainable Buildings

February 16, 2011
Author(s)
Barbara C. Lippiatt
Through its Metrics and Tools for Sustainable Buildings project, NIST is taking a lead role in providing science-based guidance to the building community on the life cycle environmental and economic performance of specific building types designed to meet

CHARACTERIZING FIREBRAND EXPOSURE DURING WILDLAND-URBAN INTERFACE FIRES.

February 2, 2011
Author(s)
Samuel L. Manzello, Ethan I. Foote, John Liu
This study examines the size distribution and other characteristics of firebrand exposure during the 2007 Angora Fire, a severe Wildland-Urban Interface (WUI) fire in California. Of the 401 houses that received direct interface fire exposure 61% were

EXPOSING SIDING TREATMENTS AND WALLS FITTED WITH EAVES TO FIREBRAND SHOWERS

February 2, 2011
Author(s)
Samuel L. Manzello, Sayaka S. Suzuki, Yoshihiko Hayashi
An experimental campaign was undertaken to determine vulnerabilities of siding treatments and walls fitted with eaves to firebrand bombardment using the NIST Dragon installed in the Building Research Institute’s Fire Research Wind Tunnel Facility (FRWTF)

Enticing arsonists with broken windows and social disorder

January 6, 2011
Author(s)
Douglas Thomas, David Butry, Jeffrey P. Prestemon
Arson rates vary widely across the U.S., and much of this variation can be traced to fuel and weather factors related to ignition success and socioeconomic factors shown to influence crime rates. In criminology, it is well understood that indicators of

Droplet/Surface Interaction: Relevance to Fire Suppression

January 5, 2011
Author(s)
Anthony P. Hamins
Due to the ban of Halon 1301 under the Montreal Protocol, new liquid fire suppressants have been proposed as possible alternatives to Halon 1301 in certain fires. It has been reported that in the case of water mist fire suppression systems, a large

Suppression Limits of Low Strain Rate Non-Premixed Flames

January 5, 2011
Author(s)
Matthew F. Bundy, Anthony P. Hamins
The suppression of low strain rate non-premixed flames was investigated experimentally in a counterflow configuration through the development of a methodology that allows establishment of laminar flames free from conductive heat losses. The method allows
Displaying 951 - 975 of 3882
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