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Displaying 1726 - 1750 of 3908

September 11, 2001, Airliner Crash Into the Pentagon

August 1, 2005
Author(s)
Paul K. Mlakar, D O. Dusenberry, J R. Harris, G A. Haynes, Long Phan, M A. Sozen
The Pentagon was constructed between September 1941 and January 1943. A substantial renovation of the entire 6.6 million sq ft (610 thousand sq m) facility began in 1999 and is scheduled for completion in 2010. On September 11, 2001, a hijacked commercial

Impulsive Loading of Cellular Media in Sandwich Construction

July 31, 2005
Author(s)
Joseph A. Main, George A. Gazonas
Motivated by recent efforts to mitigate blast loading using energy absorbing materials, this paper investigates the uniaxial crushing of cellular media in sandwich construction under impulsive pressure loading. The cellular core material is modeled using a

A Review of Building Evacuation Models

July 1, 2005
Author(s)
Erica D. Kuligowski, Richard D. Peacock
Evacuation calculations are increasingly becoming a part of performance-based analyses to assess the level of life safety provided in buildings. In some cases, engineers are using back-of-the-envelope (hand) calculation to assess life safety, and in others

A Review of Building Evacuation Models

July 1, 2005
Author(s)
Erica D. Kuligowski, Richard D. Peacock
Evacuation calculations are increasingly becoming a part of performance-based analyses to assess the level of life safety provided in buildings. In some cases, engineers are using back-of-the-envelope (hand) calculation to assess life safety, and in others

Economic Value of Combined Best Practice Use

July 1, 2005
Author(s)
S H. Lee, Stephen R. Thomas, C L. Macken, Robert E. Chapman, R L. Tucker, I H. Kim
This paper measures the value of best practices based on data taken from the Construction Industry Institute Benchmarking and Metrics database. A three-step process provides the basis for measuring the potential benefits of increased best practice use

Ranking Interventions to Improve Inner-City Housing Indoor Air Quality

June 24, 2005
Author(s)
Steven J. Emmerich, Cynthia H. Reed
The U.S. Department of Housing and Urban Development (HUD) has identified a need to improve urban housing conditions to protect children s health through its Healthy Homes Initiative (HHI). One critical area within this program is to address a wide range

Improved Radiation and Combustion Routines for a Large Eddy Simulation Fire Model

June 16, 2005
Author(s)
Kevin B. McGrattan, J E. Floyd, Glenn P. Forney, Howard R. Baum, Simo A. Hostikka
Improvements have been made to the combustion and radiation routines of a large eddy simulation fire model maintained by the National Institute of Standards and Technology. The combustion is based on a single transport equation for the mixture fraction

High-Temperature Guarded Hot Plate Apparatus Control of Edge Heat Loss

June 1, 2005
Author(s)
Daniel R. Flynn, William M. Healy, Robert R. Zarr
The guarded hot plate (GHP) apparatus is the most common type of absolute apparatus for measurement of the thermal transmission properties of thermal insulation. As the name implies, the hot meter plate is surrounded by a coplanar guard plate, separated by

Mass Flow Rate of R-410A Through Short Tubes Working Near the Critical Point

June 1, 2005
Author(s)
Y Kim, William V. Payne, John Choi, Piotr A. Domanski
Experimental data were taken to examine R-410A mass flow rate characteristics through short tube restrictors at upstream pressures approaching the critical point. Four short tube restrictors were tested by varying upstream pressure from 2619 kPa to 4551

Modeling Solid Sample Burning With FDS

June 1, 2005
Author(s)
Gregory T. Linteris, L W. Gewuerz, Kevin B. McGrattan, Glenn P. Forney
Black PMMA was burned in the cone calorimeter in two orientations (horizontal and vertical), at imposed radiant heat fluxes of (0, 5, 10, 25, 50, and 75) kW/m2, and the visual appearance, flame size, heat release rate, and mass loss rate were recorded

Preparation of Homogeneously Dispersed Trialkyl Imidazolium Compatibilized Multi Walled Carbon Nanotube/Polystyrene Nanocomposites via Melt Extrusion

June 1, 2005
Author(s)
S Bellayer, Jeffrey W. Gilman, Naomi Eidelman, S Bourbigot, X Flambard, D M. Fox, Hugh C. De Long, Paul C. Trulove
Trialkylimidazolium-tetrafluoroborate, (IM) compatibilized, multiwalled carbon nanotubes (MWNT) were used to prepare well dispersed polystyrene (PS) IM-MWNT nanocomposites via melt extrusion. Quantitative TEM image analysis revealed superior dispersion of

Thermal Imaging Research Needs for First Responders: Workshop Proceedings

June 1, 2005
Author(s)
Francine K. Amon, Nelson P. Bryner, Anthony P. Hamins
This workshop provided a forum to discuss the strategies, technologies, procedures, best practices, research and development that can significantly improve thermal imaging technology. The goal of the workshop was to identify barriers that impede advances

Measurement of Thermal Properties of Gypsum Board at Elevated Temperatures

May 30, 2005
Author(s)
Samuel L. Manzello, Seul-Hyun Park, Dale P. Bentz, Tensei Mizukami
The thermal conductivity, specific heat, mass loss, and linear contraction for gypsum board types widely used in the USA and Japan were measured both at room temperature and elevated temperatures. The gypsum board types tested include Type X and Type C

Anionic Effects in Hot Surface Combustions.

May 24, 2005
Author(s)
W W. Bannister, A Donatelli, F Bonner, F Lai, P Kurup, J Egan, E G. Jahngen, P Muanchareon, W Paramasawat, W Sriseubsai, S K. Chiang, V Kongkadee, S Sengupta, R Nagarajan, N Euaphantasate, V Parma, M Cazeca, E Chen, A Morales
Displaying 1726 - 1750 of 3908
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