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Conferences

An Intelligent Ultrasonic Flowmeter for Improved Flow Measurement and Flow Calibration Facility

May 1, 2001

Author(s)

Tsyh Tyan Yeh, Pedro I. Espina, S A. Osella

Increasing needs for flow traceability have forced metrologists to look for novel ways to improve the calibration standards for flow. The NIST Fluid Flow Group...

Impact of DoE/BES-Funded Metrology Development: Thermophysical Properties of Alternative Refrigerants

May 1, 2001

Author(s)

Mark O. McLinden

Thermophysical properties are key data needed to design refrigeration equipment using alternatives to the CFC and HCFC refrigerants. The measurement, modeling...

A Preliminary Information Model for a Supply Chain Simulation

May 1, 2001

Author(s)

Shigeki Umeda, Charles R. McLean, Yung-Tsun T. Lee

This paper provides an overview of the information model that is under development for the simulation of a manufacturing supply chain. The supply chain...

Impact of Model-Driven Architecture

May 1, 2001

Author(s)

David W. Flater

The Object Management Group (the consortium that issues the Common Object Request Broker Architecture and Unified Modeling Language standards) is making the...

Towards a Traceable Nanoscale Force Standard

May 1, 2001

Author(s)

Jon R. Pratt, David B. Newell, Edwin R. Williams, Douglas T. Smith, John A. Kramar

The National Institute of Standards and Technology has launched a five-year project to traceably link the International System of Units (SI) to forces between...

NIST: Responding to Basic Needs, Responding to Special Needs

May 1, 2001

Author(s)

L A. Greenhouse

The National Institute of Standards and Technology was established by an Act of Congress in 1901 as the National Bureau of Standards (NBS). It was charged with...

A Method to Compare Vector Nonlinear Network Analyzers

May 1, 2001

Author(s)

Kate Remley, Donald C. DeGroot, Jeffrey Jargon, Kuldip Gupta

We address the difficult problem of determining measurement consistency between two vector nonlinear network analyzers, a new class of stimulus-response...

Calibrating Electro-Optic Sampling Systems

May 1, 2001

Author(s)

Dylan Williams, Paul D. Hale, Tracy S. Clement, Juanita M. Morgan

We apply frequency-domain impedance mismatch corrections to a temporal electro-optic sampling system. We identify and evaluate additional sources of measurement...

Modeling Coplanar Waveguide Structrues Constructed of Ferromagnetic Metal

May 1, 2001

Author(s)

Nicholas Cramer, Dave K. Walker

We fabricate coplanar waveguide transmission lines with thin-film Fe o.2Ni o.8 conductors. These lines demonstrate a power attenuation of 10 dB/cm at...

Modal Cutoff in Coaxial Transmission Lines of Conical and Cylindrical Geometries

May 1, 2001

Author(s)

Claude Weil, Billy F. Riddle, David R. Novotny, Robert T. Johnk

We present numerical data on normalized cutoff wavelength versus cone half-angle for the first three higher-order TE ml modes, as well as four other modes of...

Towards a Traceable Nanoscale Force Standard

May 1, 2001

Author(s)

Jon R. Pratt, David B. Newell, Edwin R. Williams, Douglas T. Smith, John A. Kramar

Evaluation of Coaxial Single Range Thermal Voltage Converters with Multijunction Thin-Film Thermoelements

May 1, 2001

Author(s)

Thomas F. Wunsch, Ronald R. Manginell, O. M. Solomon, Joseph R. Kinard Jr., Thomas E. Lipe Jr., K. C. Jungling

New standards for ac current and voltage measurements, thin-film multijunction thermal converters (MJTCs), have been fabricated using thin-film and micro...

Comparison of Some Algorithms to Estimate the Low and High State Level of Pulses

May 1, 2001

Author(s)

O. M. Solomon, Donald R. Larson, Nicholas Paulter

The IEEE Subcommittee on Pulse Techniques (SCOPT) of the Instrument and Measurement Society is developing a new standard for pulse analysis which yields pulse...

A New Binary Inductive Divider Comparator System for Measuring High-Voltage Thermal Converters

May 1, 2001

Author(s)

Joseph R. Kinard Jr., Thomas E. Lipe Jr., S. Avramov

National Measurement Institutes have traditionally used bootstrapping or build-up techniques to determine the ac-dc difference of high-voltage thermal...

Permeability Prediction From Non-Destructive Imaging of Composite Microstructure

May 1, 2001

Author(s)

Joy Dunkers, Frederick R. Phelan Jr., Kathleen M. Flynn, D P. Sanders, Richard~undefined~undefined~undefined~undefined~undefined Parnas

In this work, binary images of the microstructure of a unidirectional E-glass/epoxy composite were generated from the low contrast OCT data through image de...

MALDI MS of Saturated Hydrocarbon Polymers: Polyethylene and Other Polyolefins

May 1, 2001

Author(s)

William E. Wallace, Charles M. Guttman, B M. Fanconi, Barry J. Bauer

Saturated hydrocarbon polymers, polyethylene and polypropylene, are, by production volume, the most widely used of all synthetic polymers. Their molecular mass...

The Influence of Laser Energy of MALDI on the Molecular Mass Distribution of Synthetic Polymers

May 1, 2001

Author(s)

S Wetzel, Charles M. Guttman, Kathleen M. Flynn

The desorption/ionization process of matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS) is not completely understood...

Reconfigurable Machine Controllers using the OMAC API

May 1, 2001

Author(s)

S Birla, D -. Faulkner, John L. Michaloski, S -. Sorenson, G Weinert, James H. Yen

With enterprises facing tremendous time-to-market pressures, manufacturing systems must be implemented quickly and modified easily. The ability of the open...

High-Resolution Rb Two-Photon Spectroscopy With Ultrafast Lasers

May 1, 2001

Author(s)

T H. Yoon, A Marian, John L. Hall, Jun Ye

A two-photon wmsition in cold Rb atoms will be probed with a phase-coherent wide-bandwidth femtosecond laser comb. Frequency domainanalysis yields a high...

Transfer Calibration Validation Tests on a Heat Flux Sensor in the 51 mm High-Temperature-Blackbody

May 1, 2001

Author(s)

A V. Murthy, Benjamin K. Tsai, Robert D. Saunders

Facilities and techniques to characterize heat flux sensors are under development at the National Institute of Standards and Technology. As a part of this...

Looking at the Whole Picture: A Case Study of Analyzing a Virtual Workplace

May 1, 2001

Author(s)

Michelle P. Steves, Emile L. Morse

Evaluating collaborative systems is much more difficult than evaluating single-user systems due to the number of simultaneous (synchronous) or intertwined (both...

Mode-Locked Erbium/Ytterbium Co-Doped Waveguide Laser

May 1, 2001

Author(s)

John B. Schlager, Berton Callicoatt, Kevin L. Silverman, Richard Mirin, Norman Sanford, D. L. Veasey

Picosecond pulses are generated from a passively mode-locked ER3+/Yb3+ co-doped planar waveguide laser in an extended cavity configuration with a semiconductor...

Comparison of Agent Extinguishment of Hydrogen and Hydrocarbon Flames Using FID.

April 24, 2001

Author(s)

J Knutsen, E L. Morrey, J Riches

Codification of Wind Loads on Buildings Using Bluff Body Aerodynamics and Climatological Data Bases.

April 24, 2001

Author(s)

Jiann C. Yang, Marc R. Nyden, Samuel L. Manzello

An aircraft engine nacelle simulator was built to study the dispersion behavior of CF3I, a potential halon 1301 (CF3Br) replacement, at an extremely cold...

Anomalous Effects of Water in Firefighting: Increased Fire Intensities by Azeotropic Distillation Effects.

April 24, 2001

Author(s)

W W. Bannister, C C. Chen, N Euaphantasate

Premixed Flame Inhibition by Manganese and Tin Compounds

April 24, 2001

Author(s)

Gregory T. Linteris, Vadim D. Knyazev, Valeri I. Babushok

Flame inhibition data exist for a few metallic compounds (Fe(CO)5, Pb(C2H5)4, CrO2Cl2) which show them to be one or two orders of magnitude more effective than...

Molecular Order at Polymer Interfaces Measured by Broad-Bandwidth Vibrationally Resolved Sum Frequency Generation Spectroscopy

April 23, 2001

Author(s)

P T. Wilson, Kimberly A. Briggman, John C. Stephenson, William E. Wallace, Lee J. Richter

Broad-bandwidth vibrationally-resolved sum frequency generation spectroscopy has been used to measure the molecular orientation distribution at polystyrene...

Global Dissemination of Performance Data and Information

April 2, 2001

Author(s)

Richard W. Bukowski, Richard D. Peacock

Adaptive Grid Refinement and Multigrid on Cluster Computers

April 1, 2001

Author(s)

William F. Mitchell

It has been shown that the combination of adaptive grid refinement and multigrid solution, known as adaptive multilevel methods, provide effective methods for...

Premixed Flame Inhibition by Manganese and Tin Compounds

April 1, 2001

Author(s)

Gregory T. Linteris, Vadim D. Knyazev, Valeri I. Babushok

In this work we presented the first experimental measurements of influence of manganese- and tin-containing compounds (MMT, TMT0 on burning velocity of methane...

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