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Displaying 56401 - 56425 of 74176

The NIST SIMA Interactive Management Workshop

October 1, 1995
Author(s)
Clarence Johnson, Simon P. Frechette, Mark E. Luce
The Manufacturing Systems Integration Division (MSID) hosted a workshop November 14-16, 1994, on Systems Integration for Manufacturing Applications (SIMA). The workshop was held at the Defense Systems Management College (DSMC) in Fort Belvoir, Virginia. A

Computing the Effect of Sprinkler Sprays on Fire Induced Gas Flow

September 10, 1995
Author(s)
Glenn P. Forney, Kevin B. McGrattan
Over the last twenty years there has been much debate concerning the interaction of sprinklers and draft curtains in large storage facilities. At issue is whether or not the two fire protection systems are mutually beneficial. It has been suggested that in

Heat Transfer in an Intumescent Material Using a Three-Dimensional Lagrangian Model

September 10, 1995
Author(s)
Kathryn M. Butler, Howard R. Baum, Takashi Kashiwagi
The addition of heat transfer calculations to a three-dimensional, time-dependent numerical model of intumescent materials is described. Intumescent materials protect an underlying substrate from fire through endothermic chemical reactions producing

Inhibition of Premixed Methane-Air Flames by Halon Alternatives

September 10, 1995
Author(s)
Gregory T. Linteris, L Truett
Halogenated hydrocarbons are effective and widely used as fire suppressants. Because of their suspected destruction of stratospheric ozone, however, the production of these agents, the most popular being halon 1301 (CF3Br), has been discontinued. There

Modeling Smoke Flow in Corridors

September 10, 1995
Author(s)
D W. Stroup, Daniel M. Madrzykowski
The Public Buildings Service (PBS) within the General Services Administration (GSA) is the Federal government's real property manager responsible for the acquisition, design, construction, and operation and management of various types of space for Federal

Scaling Compartment Fires - Reduced- and Full-Scale Enclosure Burns.

September 10, 1995
Author(s)
Nelson P. Bryner, Erik L. Johnsson, William M. Pitts
An extensive series of over 140 natural gas fires in a 2/5ths-scale model of a standard room has been previously reported. This work extends the earlier reduced-scale enclosure (RSE) study to a full-scale enclosure (FSE) and focuses on comparing the gas

Suppression of Ignition Over a Heated Metal Surface

September 10, 1995
Author(s)
Anthony P. Hamins, P. Borthwick, Cary Presser
The objective of this work is to investigate the effectiveness of various agents in suppressing flame ignition. Experiments were conducted to determine the amount of agent needed to suppress the ignition of a gaseous propane flow over a heated metal disk

Nanofabrication of a Two-Dimensional Array Using Laser-Focused Atomic Deposition

September 4, 1995
Author(s)
R Gupta, Jabez J. McClelland, Zeina J. Kubarych, Robert Celotta
Fabrication of a two-dimensional array of nanometer-scale chromium features on a silicon substrate by laser-focused atomic deposition is described. Features 13plus or minus}1 nm high and having a full-width at half maximum of 80plus or minus}10 nm are

1/N Feynman Machines as a Path to Ultraminiaturization

September 1, 1995
Author(s)
E C. Teague
The possibility of implementing Feynman''s proposal for achieving ultraminiaturization by an iterative process of three-dimensional machines making ever-smaller three-dimensional machines is considered in the nature of a thought experiment. A large array

A bibliography of the NIST Optoelectronics Division

September 1, 1995
Author(s)
Linda Derr, Annie J. Smith
This bibliography provides one means of access to the work of the division. It includes most of the papers published by the Division and its predecessor organization since 1970. A few important earlier papers and a few papers published by present NIST

Computer-Aided Manufacturing Engineering

September 1, 1995
Author(s)
Mike Smith, Swee K. Leong
Although many software tools are currently available for manufacturing engineers, they do not work together and cannot be readily integrated. This lack of integration significantly diminishes the productivity of manufacturing engineers, reduces the quality
Displaying 56401 - 56425 of 74176
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