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Conferences

CFD Modeling Options for Total Flooding Behavior of Ultra Fine Water Mist.

May 16, 2006

Author(s)

K C. Adiga, R F. Hatcher, R S. Sheinson, F W. Williams, S Ayers

Challenges in Integrating Halon-Alternate Agents into Automatic Fire Extinguishing Systems (AFES).

May 16, 2006

Author(s)

S E. Hodges

Instrumentation for Bench- and Large-Scale Test Fixtures.

May 16, 2006

Author(s)

K L. Mcnesby, Erik L. Johnsson

Diverter Uncertainty Less Than 0.01 percent for Water Flow Calibrations

May 16, 2006

Author(s)

Iryna V. Marfenko, Tsyh Tyan Yeh, John D. Wright

Measurement uncertainties introduced by liquid flow diverters are often one of the major contributors to the total uncertainty of static gravimetric liquid flow...

Comparisons by PTB, NIST, and LNE-LADG in Air and Natural Gas With Critical Venturi Nozzles Agree Within 0.05 %

May 16, 2006

Author(s)

B Mickan, Roland H. Kraemer, D Dopheide, Hans-Jurgen Hotze, Heino-Michael Hinze, Aaron Johnson, John D. Wright, J-P Vallet

The PTB, NIST, and LNE-LADG conducted a comparison of gas flow measurement standards in air and natural gas in the pressure range from 0.9 to 42 bar. The...

Further Studies of Cup-Burner Flame Extinguishment.

May 16, 2006

Author(s)

F Takahashi, Gregory T. Linteris, Vishwanath R. Katta

The structure and extinguishment of heptane-air co-flow diffusion flames formed on a cup burner in normal earth gravity have been studied experimentally and...

TDR Permittivity Measurements of Dielectric Films

May 15, 2006

Author(s)

Jan Obrzut, R Nozaki

We have developed a time-domain reflectometry (TDR) technique to measure the dielectric permittivity of film specimens. The test specimen consists of a planar...

A Two-Dimensional Terahertz Imaging System Using Hot Electron Bolometer

May 10, 2006

Author(s)

Dazhen Gu, Eyal Gerecht, Fernando Rodriquez Morales, Sigfrid Yngvesson

We present first results with a two-dimensional(2D)scanning, terahertz passive heterodyne imaging system currently under development. The imager is based on a...

The Role of LORAN Timing in Telecommunications

May 8, 2006

Author(s)

Michael A. Lombardi, Chuck Norman, William J. Walsh

The telecommunications industry in the United States has performance requirements for time synchronization and frequency control that must be met in order for...

High-resolution continuous-wave absorption measurements on InGaAs/GaAs self-assembled quantum dots

May 8, 2006

Author(s)

Kevin L. Silverman, Joseph J. Berry, Richard Mirin

We have applied two sensitive techniques long used in atomic physics, spectral hole burning and cavity-ringdown spectroscopy (CRDS), to investigate the...

Quantum Dot Dissemination and Behavior in Bacterial Biofilms

May 7, 2006

Author(s)

Jayne B. Morrow, Richard D. Holbrook, Cynthia J. Zeissler

Quantum dots (QDs) are colloidal semiconductor nanocrystals that photoluminescence emission is proportional to the dot size and have been utilized in...

The Rich Transcription 2006 Spring Meeting Recognition Evaluation

May 4, 2006

Author(s)

Jonathan G. Fiscus, Jerome G. Ajot, Martial Michel, John S. Garofolo

This paper presents the design and results of the Rich Transcription Spring 2006 (RT-06S) Meeting Recognition Evaluation. This evaluation is the fourth in a...

Thermal, Structural, and Optical Properties of Multispectral Zinc Sulfide

May 4, 2006

Author(s)

L Henneman, L LaCroix, C Wilson, S Kurzius, D C. Harris, M Baronowski, B Burns, K Kitagawa, J Gembarovic, S Goodrich, Leonard Hanssen, Simon G. Kaplan, C Staats, J Mecholsky

Lockheed Martin Space Systems Company (LMSSC) and Vicus Technologies have conducted a study to obtain the thermal, structural and optical property data required...

A Reference Standard for Measuring Humidity of Air Using a Re-entrant Radio Frequency Resonator

May 2, 2006

Author(s)

Peter H. Huang, Dean C. Ripple, Michael R. Moldover, Gregory E. Scace

We developed a stable reference hygrometer suitable for operation at temperatures above ambient that has a robust design, inherent stability, and a well...

An Experimental Investigation of Gypsum Board Partition Assembly Performance Under Real Fire Exposures

May 1, 2006

Author(s)

Samuel L. Manzello, Richard G. Gann

The present paper compares the responses of wall-size partition assmeblies, composed of either type X or type C gypsum wallboaerd panels over steel studs, when...

The NIST Meeting Room Phase II Corpus

May 1, 2006

Author(s)

Martial Michel, Jerome G. Ajot, Jonathan G. Fiscus

The Speech Group and Smart Spaces Lab of National Institute of Standards and Technology's Information Technology Laboratory have collaborated to collect a...

Performance of Amplify-and-Forward and Decode-and-Forward Relaying in Rayleigh Fading With Turbo Codes

May 1, 2006

Author(s)

Michael R. Souryal, B R. Vojcic

Cooperative transmission, in which a source and relay cooperate to send a message to a destination, can provide spatial diversity against fading in wireless...

An Improved Two-Phase Pressure Drop Correlation for 180 degrees Return Bends

May 1, 2006

Author(s)

Piotr A. Domanski, Christian Hermes

A new correlation for two-phase flow pressure drop in 180? return bends is proposed based on a total of 241 experimental data points for R-22 and R-410A. The...

First Responder Thermal Imaging Cameras: Establishment of Representative Performance Testing Conditions

May 1, 2006

Author(s)

Francine K. Amon, Anthony P. Hamins, Justin Rowe

Currently there are no standardized performance metrics or test methods available to the users and manufacturers of these instruments. The Building and Fire...

Optimization of Sensor Locations for Spindle Condition Monitoring

May 1, 2006

Author(s)

Li Zhang, Robert Gao, Kang B. Lee

This paper presents an approach to optimizing the location of vibration sensors on a spindle, based on the concept of Effective Independence (EfI). The study is...

Recent experiments in trapped-ion quantum information processing at NIST

May 1, 2006

Author(s)

J Chiaverini, Matthew P. Barrett, Brad R. Blakestad, Joseph W. Britton, Wayne M. Itano, John D. Jost, Emanuel H. Knill, C. Langer, Dietrich G. Leibfried, R Ozeri, T Schaetz, David J. Wineland

Atomic ions confined in segmented trap arrays provide a system for quantum information processing. We report on the execution of two simple quantum algorithms...

Damping mechanisms for precision applications in UHV environment

May 1, 2006

Author(s)

Sumanth B. Chikkamaranahalli, R. R. Vallance, Bradley N. Damazo, Richard M. Silver

Surface analysis techniques such as scanning probe microscopy (SPM) have undergone significant advances and are attractive for application to electron and...

Recent experiments in trapped-ion quantum information processing at NIST

May 1, 2006

Author(s)

J Chiaverini, Murray D. Barrett, Brad R. Blakestad, Joseph W. Britton, Wayne M. Itano, John D. Jost, Emanuel H. Knill, C. Langer, Dietrich G. Leibfried, R Ozeri, Tobias Schaetz, David J. Wineland

Atomic ions confined in segmented trap arrays provide a system for quantum information processing. We report on the execution of two simple quantum algorithms...

Measurements of Coaxial Dielectric Samples Employing Bothe Transmission/Reflection and Resonant Techniques to Enhance Air-Gap Corrections

May 1, 2006

Author(s)

James R. Baker-Jarvis, Michael D. Janezic, Jerzy Krupka

High-permittivity dielectric samples have been measured employing a transmission/reflection method in 7-mm coaxial transmission lines with an air-gap correction...

Towards an Information Processing Representation for Dynamic Process Optimization in Smart Machining Systems

May 1, 2006

Author(s)

Laurent Deshayes, Lawrence A. Welsch, Aurelie Vacher, Alkan Donmez

Smart Machining Systems (SMS) are an important part of today''s manufacturing companies. SMS include the use of diverse technologies that once integrated...

Probing the Interfacial Adhesion Strength in Compositional Libraries of Epoxy Films

May 1, 2006

Author(s)

Christopher Stafford, J Y. Kim, D Kawaguchi, Gareth Royston, Martin Chiang

We are developing a measurement platform, based on the edge lift-off test geometry, geared towards combinatorial and high-throughput (C&HT) assessment of...

Automatically Testing Interacting Software Components

May 1, 2006

Author(s)

Leonard J. Gallagher, Jeff Offutt

One goal of integration testing for object-oriented software is to ensure high object interoperability. Sent messages should have the intended effects on the...

Performance of the GHRS Pt-Ne Hollow-Cathode Lamps After Their Return From Space and Comparison With Archival Data

May 1, 2006

Author(s)

F Kerber, D Lindler, P Bristow, Gillian Nave, Joseph Reader, Craig J. Sansonetti, D Lembke, S Heap, Michael R. Rosa, H J. Wood

The Space Telescope European Co-ordinating Facility (ST-ECF) and the National Institute of Standards and Technology (NIST) are collaborating to study hollow...

Influence of Avalanch-Photodiode Dead Time on the Security of High-speed Quantum-Key Distribution Systems

May 1, 2006

Author(s)

Hai Xu, Lijun Ma, Joshua Bienfang, Xiao Tang

We study the correlation in the sifted key induced by the dead time of Geirger-mode avalanche-photodiodes (APDs) in quantum key distribution systems. A...

Excimer Laser Treatment of Carbon Nanotubes

May 1, 2006

Author(s)

Katie Hurst, Darryl A. Keenan, Anne Dillon, Thomas Gennett, Paul Rice, John H. Lehman

Raman spectroscopy and spectral responsivity measurements are performed to investigate the alteration of sample purity and morphology, caused by varying pulse...

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