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Displaying 3226 - 3250 of 4199

Advanced Metering Infrastructure Smart Meter Upgradeability Test Framework

March 2, 2015
Author(s)
Michaela Iorga, Scott Shorter
As electric utilities turn to Advanced Metering Infrastructures (AMIs) to promote the development and deployment of the Smart Grid, one aspect that can benefit from standardization is the upgradeability of Smart Meters. The National Electrical

Long-Term Stability of UHMWPE Fibers

February 18, 2015
Author(s)
Amanda L. Forster, Aaron M. Forster, Joannie W. Chin, Chiao-Chi Lin, Sylvain H. Petit, Kai-Li Kang, Nicholas G. Paulter Jr., Michael A. Riley, Kirk D. Rice
The superior performance of ultra-high molecular weight polyethylene fi bers is predicated on the development of a highly aligned molecular structure that allows the polymer to exhibit a superior strength in the axial direction of the fi ber. Body armor

Microwave Determination of the Volume of a Pressure Vessel

December 9, 2014
Author(s)
Michael R. Moldover, James W. Schmidt, Keith A. Gillis, James B. Mehl, John D. Wright
Using microwave techniques that are scalable to very large volumes, we measured the interior volume of a 0.3 m 3, commercially-manufactured, pressure vessel with an uncertainty of 0.05 %, as confirmed by independent, more-accurate, gas-expansion

New AGV Capabilities are Safety Driven

September 3, 2014
Author(s)
Roger V. Bostelman, William P. Shackleford
… handling flow along single or dual opposing-flow lanes in manufacturing and distribution facilities. An AGV stops for …

Spectral Fluorescence Measurements

July 7, 2014
Author(s)
Paul DeRose, Joanne C. Zwinkels, James Leland
… because of the increasing use of fluorescent materials in manufacturing for enhancing appearance, e.g. whiteness, …

Methods for improving visibility measurement standards of powered industrial vehicles

February 28, 2014
Author(s)
Roger V. Bostelman, Jochen Teizer, Soumitry J. Ray, Mike Agronin, Dominic Albanese
Poor visibility of powered industrial vehicles, such as forklifts, used in industry is often the cause of accidents that include pedestrians. Current standards allow up to 20% non-visible regions for forklifts where measurement of these regions is

VOLUMETRIC PERFORMANCE EVALUATION OF A LASER SCANNER

October 20, 2013
Author(s)
Balasubramanian Muralikrishnan, Massimiliano M. Ferrucci, Daniel S. Sawyer, Grant Gerner, Vincent D. Lee, Christopher J. Blackburn, Steven D. Phillips, Peter Petrov, Yuri Yakovlev, Andrey Astrelin, Spike Milligan, John Palmateer
There are several sources of error in a laser scanner measurement. The optical and material properties of the target, the shape, form, surface texture, color, reflectivity, and orientation of the target in space, environmental effects, etc., all contribute

Alternate Smoldering Ignition Sources: A Literature Review with Analysis

October 1, 2011
Author(s)
Richard G. Gann, Amanda P. Robbins
Current existing and proposed U.S. flammability standards for soft furnishings such as mattresses and upholstered furniture specify a "standard" cigarette as the ignition source in smoldering resistance performance tests. With the prevalence of reduced

An Iterative Algorithm for Calculating Stylus Radius Unambiguously

September 24, 2011
Author(s)
Theodore V. Vorburger, Xiaoyu A. Zheng, Thomas B. Renegar, Jun-Feng Song, Li Ma
The stylus radius is an important specification for stylus instruments and is commonly provided by instrument manufacturers. However, it is difficult to measure the stylus radius unambiguously. Accurate profiles of the stylus tip may be obtained by

DIFFUSION-CONTROLLED REFERENCE MATERIAL FOR VOC EMISSIONS TESTING

August 29, 2011
Author(s)
Zhe Liu, Cynthia H. Reed, Steve Cox, John Little
To improve the reliability and accuracy of tests used to measure emissions of volatile organic compounds (VOCs) from samples of interior building products, the National Institute of Standards and Technology (NIST) and Virginia Tech (VT) have created a

Surrogate Mixture Models for the Thermophysical Properties of Aviation Fuel Jet-A

May 27, 2010
Author(s)
Marcia L. Huber, Eric W. Lemmon, Thomas J. Bruno
We developed surrogate mixture models to represent the thermophysical properties of two samples of aviation turbine fuel Jet-A. One sample is a composite of numerous batches from a multiple manufacturers and is considered to be a representative fuel. A

Nanomechanical Measurements and Tools

February 23, 2010
Author(s)
Robert F. Cook
… a critical requirement for the commercial innovation and manufacturing of these devices is the parallel development of …
Displaying 3226 - 3250 of 4199
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