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Displaying 13051 - 13075 of 74220

Real Fire Performance of Partition Assemblies: Insulated and Non-Insulated Assemblies

February 19, 2017
Author(s)
Samuel Manzello, Richard Gann, S R. Kukuck, Kuldeep Prasad, Walter W. Jones
Two gypsum wall assemblies were exposed to intense real-scale compartment fires, from the time of ignition to beyond flashover. The construction of each assembly (2.44 m by 2.44 m) was identical, with the exception that one of the wall assemblies was

Recent Developments in Building Fire Detection Technologies

February 19, 2017
Author(s)
William L. Grosshandler, Jason D. Averill, Thomas Cleary, D W. Weinert
Sensing technologies and their application to detecting fires in buildings continue to evolve, and recent advances are summarized in this article. Work being conducted at NIST on characterizing smoke and on bench-scale evaluation of multi-element detectors

Relationship Between Microstructure and Wear of Dental Ceramics and Composite Resins

February 19, 2017
Author(s)
V S. Nagarajan, S Jahanmir, B Hockey, Victoria Thompson
The effect of microstructure on the wear mechanisms of glass-ceramics and resin composites was studied. Wear tests on both types of materials were conducted using a pin-on-disk apparatus. Wear of glass-ceramics increased with increasing mica platelet

Relationship Between Quantitative Dispersion and Physical Properties of PMMA/SWNT Nanocomposites

February 19, 2017
Author(s)
Takashi Kashiwagi, Jeffrey Fagan, Keith Yamamoto, A N. Heckert, Stefan D. Leigh, Jan Obrzut, F Du, Sheng Lin-Gibson, Minfang Mu, K Winey, R Haggenmueller, Jack F. Douglas
Six PMMA/SWNT(0.5 wt%) nanocomposite samples intended to have different dispersion levels were prepared by the coagulation method using six different concentrations of SWNTs in DMF from 0.05 mg/ml to 1.2 mg/ml. The morphology of the samples was determined

Report of the NIST Workshop on Data Exchange Standards at the Construction Job Site

February 19, 2017
Author(s)
Kamel S. Saidi, Alan M. Lytle, William C. Stone
The Building and Fire Research Laboratory of the National Institute of Standards and Technology, in cooperation with the Fully Integrated and Automated Technology (FIATECH) consortium, sponsored a workshop on data exchange standards at the construction job

Research & Development Program for the Safety of Threatened Buildings

February 19, 2017
Author(s)
William L. Grosshandler
A series of tragic events in the United States over the past decade, punctuated by the collapse of the World Trade Center on September 11, 2001, has exposed the vulnerability of public buildings to uncontrolled fires, explosions, and biological attack

Results of Shear Resistance Tests of Manufactures House Walls

February 19, 2017
Author(s)
Michael A. Riley, R E. Vega
The tests reported herein were intended to gain information on how manufactured home shear walls perform under extreme loads. The specimens tested represent sections from a typical manufactured home. The test results will be used for analytical modeling

Simulating Enclosure Fire Dynamics

February 19, 2017
Author(s)
Howard R. Baum
At least three different physics based approaches to fire dynamics simulations have evolved over the years; lumped parameter or ''zone models'', computational fluid dynamics models based on classical trubulence modeling techniques, and large eddy

Simulating Enclosure Fire Dynamics and Suppression

February 19, 2017
Author(s)
Howard R. Baum, Kevin B. McGrattan
At least three different physics based approaches to fire dynamicssimulations have evolved over the years; lumped parameter or ''zone models'',computational fluid dynamics models based on classical turbulence modelingtechniques, and large eddy simulations

Simulating Fire Dynamics and Thermal Response of Structural Elements

February 19, 2017
Author(s)
Kuldeep Prasad, Howard R. Baum
Simulation of the effects of severe fires on the structural integrity of builings requires a close coupling between the gas phase energy release andtransport phenomena and the stress analysis in the load bearing materials. The connection between the two is
Displaying 13051 - 13075 of 74220