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Displaying 3901 - 3925 of 5423

Fire Emulator/Detector Evaluator: Design, Operation, and Performance (NIST SP 965)

February 1, 2001
Author(s)
Thomas G. Cleary, Michelle K. Donnelly, William L. Grosshandler
This paper describes the fire emulator/detector evaluator which was developed by NIST. The FE/DE has proven to be a very flexible design. The main function of the device is to reproduce the environment (temperature, air velocity, aerosol and gas species

Sensor-Driven Fire Model (NIST SP 965)

February 1, 2001
Author(s)
William D. Davis, Glenn P. Forney
Modern building fire sensors are capable of supplying substantially more information to the fire service than just the simple detection of a possible fire. With the increase in the number of sensors installed in buildings for non-fire purposes, it is

Size Distribution and Light Scattering Properties of Test Smokes (NIST SP 965)

February 1, 2001
Author(s)
D W. Weinert, Thomas Cleary, George W. Mulholland
Measurements of particles size distributions and optical properties of smoke detector test smokes may yield a better understanding of existing detector designs and facilitate design improvements; NIST is making such measurements now on smokes produced in

Cold Discharge of CF3I in a Simulated Aircraft Engine Nacelle

January 1, 2001
Author(s)
Jiann C. Yang, Marc R. Nyden, Samuel L. Manzello
One of the potential candidates for halon 1301 replacement in aircraft engine nacelle and dry bay fire protection applications and fuel tank ullage inerting is trifluoroiodomethane (CF3I). Before CF3I can be considered as a potential drop-in replacement

Guide to Rheological Nomenclature: Measurement in Ceramic Particulate Systems

January 1, 2001
Author(s)
Vincent A. Hackley, Chiara F. Ferraris
This document provides definitions of terms and expressions relating to the measurement of rheological properties in liquid-based ceramic particulate systems (i.e., suspensions, pastes, and gels). The definitions are largely generic and should be

NIST Recommended Practice Guide: Particle Size Characterization

January 1, 2001
Author(s)
Ajitkumar Jillavenkatesa, Lin-Sien H. Lum, Stanley Dapkunas
This guide is a compilation of essential facts and some fundamental information about commonly used techniques of particle size analysis in the ceramics industry. The guide is designed for the non- expert who may have some or little previous knowledge

Halocarbons 1: Methane Derivatives

October 1, 2000
Author(s)
Arno D. Laesecke
This poster (47 in x 30 in) shows ab initio computed structures of the chlorine and/or fluorine derivatives of methane. Some of these compounds are working fluids (ozone depleting and alternative) in refrigeration and air conditioning equipment. Others are

Computer Development at the National Bureau of Standards

September 1, 2000
Author(s)
Russell A. Kirsch
The first fully operational, automatic, electronic computer in the United States was built at the National Bureau of Standards. The Standards Electronic Automatic Computer (SEAC) began productive computation in May 1950. Although originally intended as an

Technical Digest, Symposium on Optical Fiber Measurements, 2000

September 1, 2000
Author(s)
Paul A. Williams, Gordon W. Day
Polarization mode dispersion (PMD), multimode fiber parameters, fiber geometry and chromatic dispersion mapping in fibers are some of the measurement issues in this digest of papers presented at the Symposium on Optical Fiber Measurements held September 26

Detection and Measurement of Middle Distillate Fuel Vapors Using Tunable Dye Lasers.

May 2, 2000
Author(s)
K L. Mcnesby, R T. Wainner, A W. Miziolek, W M. Jackson, I A. McLaren
A sensor for measurement of vapors from the hydrocarbon-based fuels JP-8, DF-2, and gasoline is described. The sensor is based upon a previously reported laser mixing technique that uses two tunable diode lasers emitting in the near-infrared spectral
Displaying 3901 - 3925 of 5423
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