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Conferences

Stress chains formation under shear of concentrated suspension

July 7, 2008

Author(s)

Didier Lootens, Nicos Martys, William L. George, Steven G. Satterfield, Pascal Hebraud

Results comparing experiments on a model system of mono-disperse silica-particles with the numerical simulation of highly concentrated suspension of spherical...

Photon pair generation in dispersion-shifted fiber with nearly complete suppression of raman photons

July 6, 2008

Author(s)

Shellee D. Dyer, Lenson Pellouchoud, Martin J. Stevens, Burm Baek, Sae Woo Nam, Robert Hadfield

We show photon pair generation from spontaneous four-wave mixing in dispersion-shifted fiber. By cooling the fiber to 4 K, we achieve almost complete...

Anisotropic Behavior of X100 Pipeline Steel

July 6, 2008

Author(s)

John M. Treinen, William E. Luecke, Joseph D. McColskey, Philippe P. Darcis, Yong-Yi Wang

While steel is generally treated as being isotropic, tensile and compression tests in the different pipe orientations for API X100 grade pipeline steel show...

Chamber Imaging Using Spherical Near-Field Scanning

July 5, 2008

Author(s)

Ronald C. Wittmann, Michael H. Francis, Randy Direen

We discuss recent measurements performed at the National Institute of Standards and Technology (NIST) that were used to characterize the incident fields within...

Computer-Based Monitoring for Decision Support Systems and Disaster Preparedness in Buildings

July 2, 2008

Author(s)

Alan B. Vinh

The operation of modern buildings can support a vast amount of static and real-time data. Static information such as building schematics is vital for security...

Nanowire-based superconducting single-photon detectors for infrared single-photon source characterization

July 2, 2008

Author(s)

Martin J. Stevens, Burm Baek, Richard P. Mirin, Sae Woo Nam, Robert Hadfield

Single-photon sources and detectors enable a wide range of applications, from quantum information technologies to fundamental tests of quantum optics...

Advanced Power Conditioning System Technologies for High-Megawatt Fuel Cell Power Plants

July 1, 2008

Author(s)

Allen R. Hefner Jr.

High-megawatt Power Conditioning Systems (PCSs) are required to convert the low-voltage produced by fuel cell modules in central station scale plants to the...

Performance Evaluation of Phasor Measurement Systems

July 1, 2008

Author(s)

Zhenyu Huang, Bogdan Kasztenny, Vahid Madani, Ken Martin, Sakis Meliopoulos, Damir Novosel, Gerard N. Stenbakken

Abstract--After two decades of phasor network deployment, phasor measurements are now available at many major substations and power plants. The North American...

Error and Transient Analysis of Stepwise-Approximated Sinewaves Generated by Programmable Josephson Voltage Standards

July 1, 2008

Author(s)

Charles J. Burroughs, Alain Rufenacht, Samuel Benz, Paul Dresselhaus, Bryan C. Waltrip, Thomas L. Nelson

We are developing a quantum-based 60 Hz power standard that exploits the precision sinusoidal reference voltages synthesized by programmable Josephson voltage...

A Framework for Measuring the Vulnerability of Hosts

June 30, 2008

Author(s)

Karen A. Scarfone, Timothy Grance

This paper proposes a framework for measuring the vulnerability of individual hosts based on current and historical operational data for vulnerabilities and...

Systematic-Error Signals in the AC Josephson Voltage Standard: Measurement and Reduction

June 30, 2008

Author(s)

Regis Landim, Samuel P. Benz, Paul D. Dresselhaus, Charles J. Burroughs

We investigate the dominant frequency-dependent systematic error signals (SES) in the ac Josephson voltage standard. We describe our error measurement technique...

Applying Automated Metrics to Speech Translation Dialogs

June 30, 2008

Author(s)

Sherri Condon, Jon Phillips, Christy Doran, John Aberdeen, Dan Parvaz, Beatrice Oshika, Gregory A. Sanders, Craig I. Schlenoff

Over the past five years, the Defense Advanced Research Projects Agency (DARPA) has funded development of speech translation systems for tactical applications...

Finite element Analysis and Empirical Solution for Flexible Substrates Undergoing Large Equibiaxial Strains

June 25, 2008

Author(s)

Martin Y. Chiang, Tianle Cheng, Lisa Pakstis, Juan M. Taboas, Joy P. Dunkers

Quantitation of Laminin Adsorbed onto Flexible Substrates Using Various Treatment Protocols

June 25, 2008

Author(s)

Hae-Jeong Lee, Marvi Matos, Lisa Pakstis, Marcus T. Cicerone, Joy Dunkers

There is considerable interest in how cells respond to mechanical stimuli, from the ligands used to transmit the stimulus to the signaling pathways initiated to...

A Real World Pilot implementation of the Core Manufacturing Simulation Information Model

June 23, 2008

Author(s)

Swee K. Leong, Marcus Johansson, Bj?rn Johansson, Yung-Tsun T. Lee, Frank H. Riddick

While software for discrete event simulation (DES) has emerged into sophisticated tools for decision support in a wide range of contexts, the need to integrate...

Model Based Uncertainty Analysis in Inter-Laboratory Studies

June 23, 2008

Author(s)

Blaza Toman, Antonio M. Possolo

Statistical analysis of key comparison and inter-laboratory experiments is required to produce an estimate of the measurand called a reference value and further...

Smoke Control and Occupant Evacuation at the World Trade Center

June 21, 2008

Author(s)

M J. Ferreira, S M. Strege, Richard Peacock, Jason D. Averill

This paper examines smoke control and occupant evacuation in WTC 1 and WTC 2 on September 11, 2001focusing on the impact region and above for each tower...

Semi-Classical Line Shape Models of Rovibrational H2O Spectra Tested Using Frequency-Stabilized Cavity Ring-Down Spectroscopy

June 20, 2008

Author(s)

Joseph T. Hodges, Daniel Lisak, R. Ciurylo

In this work we present a brief review of recent results for water line shapes obtained by means of the frequency stabilized cavity ring-down spectroscopy (FS...

Electron Trapping: An Unexpected Mechanism of NBTI and Its Implications

June 17, 2008

Author(s)

Jason P. Campbell, Kin P. Cheung, John S. Suehle, A Oates

We utilize fast-IdVg measurements to examine NBTI recovery over a time scale of 2usecs to 1000 seconds. The extracted DVTH and %GM degradation data clearly...

Contradictions and Justifications: Extensions to the Textual Entailment Task

June 16, 2008

Author(s)

Ellen M. Voorhees

The third PASCAL Recognizing Textual Entailment Challenge (RTE-3) contained an optional task that extended the main entailment task by requiring a system to...

Evaluation of Nonlinear Distortion in ADCs Using Multisines

June 15, 2008

Author(s)

Catherine A. Remley, Nuno Carvalho, Pedro Cruz

This paper characterizes nonlinear distortion in an analog-to-digital converter (ADC) when it is excited by representative communication signals having non...

Dual-CGH Interferometry Test for X-Ray Mirror Mandrels

June 15, 2008

Author(s)

Guangjun Gao, John Lehan, Ulf Griesmann

We describe a glancing-incidence interferometric double-pass test, based on a pair of computer generated holograms (CGHs), for mandrels used to fabricate x-ray...

Design of a Turn-Key 10 V Programmable Josephson Voltage Standard System

June 13, 2008

Author(s)

Paul D. Dresselhaus, Mike Elsbury, Charles J. Burroughs, David I. Olaya, Samuel P. Benz, Norman F. Bergren, Robert E. Schwall, Zoya Popovic

NIST is designing a 10 V Programmable Josephson Voltage Standard (PJVS) system with an improved microwave design and arrays of stacked NbXSi1-x-barrier...

Thermal Network Component Models for 10 kV SiC Power Module Packages

June 13, 2008

Author(s)

Jose M. Ortiz, Madelaine H. Hernandez, Tam H. Duong, Scott G. Leslie, Allen R. Hefner Jr.

The DARPA WBGS-HPE program is developing 100 A, 10 kV SiC power modules to demonstrate the viability of a 2.75 MVA Solid State Power Substation that uses 10 kV...

Electro-Thermal Simulation of a 100 A, 10 kV Half-Bridge SiC MOSFET/JBS Power Module

June 13, 2008

Author(s)

Tam H. Duong, Jose M. Ortiz, R. N. Raju, Allen R. Hefner Jr.

This paper presents the results from a parametric simulation study that was conducted to optimize the performance of 100 A, 10 kV, 20 kHz half-bridge SiC MOSFET...

Proceedings of the Static Analysis Workshop (SAW 2008)

June 12, 2008

Author(s)

Paul E. Black, Elizabeth N. Fong

Static Analysis Workshop (SAW 2008) was held on June 12, 2008 in Tucson, Arizona and was co-located with ACM SIGPLAN 2008 Conference on Programming Language...

Modeling and Simulation for Sustainable Manufacturing

June 11, 2008

Author(s)

Deogratias Kibira, Charles R. McLean

With increasing frequency the news media reports that the planet is warming, pollutants are contaminating the environment, energy costs are rising, and precious...

Design of Experiments Approach to Verification and Uncertainty Estimation of Simulations based on Finite Element Method

June 11, 2008

Author(s)

Jeffrey T. Fong, James J. Filliben, Nathanael A. Heckert, Roland deWit

A fundamental mathematical modeling and computational tool in engineering and applied sciences is the finite element method (FEM). The formulation of every such...

Scanning Probe Microscopy for Dielectric and Metal Characterization

June 10, 2008

Author(s)

Joseph J. Kopanski, Thomas R. Walker

The properties of both insulators and metals can be characterized capacitively with scanning probe microscopy, though the techniques employed are different...

Understanding EuP and REACH

June 10, 2008

Author(s)

John V. Messina, Eric D. Simmon

There has been a world-wide trend towards legislation meant to encourage sustainable manufacturing and minimize the environmental impact of product...

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