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Conferences

The Bugs Framework (BF): A Structured Approach to Express Bugs

October 13, 2016

Author(s)

Irena Bojanova, Paul E. Black, Yaacov Yesha, Yan Wu

To achieve higher levels of assurance for digital systems, we need to answer questions such as, does this software have bugs of these critical classes? Do these...

STEEL GRAVITY CONNECTIONS SUBJECTED TO LARGE ROTATIONS AND AXIAL LOADS

October 13, 2016

Author(s)

Jonathan M. Weigand, Jeffrey W. Berman

Steel gravity framing systems (SGFSs) rely on connections for system robustness when a column suffers damage that compromises its ability to carry gravity loads...

A Clustering-Based Device-to-Device Communication to Support Diverse Applications

October 13, 2016

Author(s)

Amirshahram Hematian, Wei Yu, Chao Lu, David W. Griffith, Nada T. Golmie

The expanding coverage and capacity of cellular networks through broadband wireless infrastructure has limitations in accommodating the expanding strain and...

Modeling of double-angle connections for robustness evaluation of steel gravity frames

October 13, 2016

Author(s)

Jonathan Weigand, Judy Liu, Joseph Main

Component-based models of bolted double-angle beam-to-column connections have been developed for evaluating the structural robustness of steel gravity frames...

DEFORMATION LIMITS AND ROTATIONAL CAPACITIES FOR CONNECTIONS UNDER COLUMN LOSS

October 12, 2016

Author(s)

Jonathan Weigand, Joseph Main

For structural steel framing systems subjected to column loss, the ultimate gravity load carrying capacity of the system is often controlled by the rotation and...

Enhanced connections for improved robustness of steel gravity frames

October 12, 2016

Author(s)

Jonathan Weigand, Joseph Main

Potential vulnerabilities to collapse have been identified for steel gravity framing systems with conventional gravity connections subjected to column loss. To...

Recent Advancements of Wide-Angle Polarization Analysis with ³He neutron Spin Filters

October 10, 2016

Author(s)

WangChun Chen, Thomas R. Gentile, Qiang NMN Ye, A. Kirchhoff, Shannon Watson, Jose A. Rodriguez, Yiming Qiu, Collin L. Broholm

Wide-angle polarization analysis with polarized 3He based neutron spin filters (NSFs) has recently been employed on the Multi-Axis Crystal Spectrometer (MACS)...

FINE-TUNING ELECTRICAL FLOW RATE SENSING IN DEFORMABLE CHANNELS

October 9, 2016

Author(s)

Pengfei Niu, Brian J. Nablo, Kiran Bhadriraju, Darwin Reyes-Hernandez

Here we present conclusive proof that when using electrical impedance to measure volumetric flow rate in polydimethylsiloxane (PDMS) microchannels a...

Measuring Latency in Location Based ServicesA Public Safety Perspective

October 7, 2016

Author(s)

Casey R. Baer, Vihang S. Jani

Location-based services (LBS) that are able to determine accurately and precisely the location of a first responder are of great interest to public safety...

Inertial Measurement Unit for On-Machine Diagnostics of Machine Tool Linear Axes

October 7, 2016

Author(s)

Gregory W. Vogl, Alkan Donmez, Andreas Archenti, Brian A. Weiss

Machine tools degrade during operations, yet knowledge of degradation is elusive; accurately detecting degradation of machines' components such as linear axes...

Time in Cyber-Physical Systems

October 2, 2016

Author(s)

Marc A. Weiss, YaShian Li-Baboud, Aviral Shrivastava, Mohammad Khayatian, Patricia Derlery, Hugo A. Andrade, Sundeep Chandhoke, Kevin Stanton, John Eidson

Many modern CPS, especially industrial automation systems, require the actions of multiple computational systems to be synchronized at much higher rates than is...

NIST MISE EN PRATIQUE FOR THE REALIZATION AND DISSEMINATION OF THE REDEFINED KILOGRAM

October 1, 2016

Author(s)

Patrick J. Abbott, Eric Benck, Corey A. Stambaugh, Edward C. Mulhern, Zeina J. Kubarych

The SI unit of mass, the kilogram, is scheduled to be redefined in 2018 as part of a broader redefinition of the SI in terms of fundamental constants. The...

Compliance-Free Pulse Forming of Filamentary RRAM

September 30, 2016

Author(s)

Pragya Shrestha, David M. Nminibapiel, Jihong Kim, Helmut Baumgart, Kin (Charles) Cheung, Jason Campbell

Despite the overwhelming effort to improve the efficacy of resistive random access memory (RRAM), the underlying physics governing RRAM operation have proven...

THE NIST MAGNETIC SUSPENSION MASS COMPARATOR: A LOOK AT AUTOMATION

September 29, 2016

Author(s)

Corey A. Stambaugh, Edward C. Mulhern

The magnetic suspension mass comparator at NIST is a fully automated mass comparator with the unique feature that it is able to directly compare a mass in...

Back Pressure Ratio and the Transonic Resonance Mechanism of Low Unchoking in Critical Flow Venturis

September 28, 2016

Author(s)

John D. Wright, Keith A. Gillis, Aaron Johnson, Ida I. Shinder

Reliable Critical Flow Venturi (CFV) operation requires sonic velocity at the throat of the device. The maximum ratio of exit pressure to inlet pressure that...

Extended Data Analysis of Bilateral Comparisons with Air and Natural Gas up to 5 MPa

September 28, 2016

Author(s)

John D. Wright, Bodo Mickan, J-P Vallet, CHUNHUI LI

In 2015, the PTB, LNE-LADG, NIM and NIST performed informal bilateral comparisons using six critical venturi nozzles. The goal of the comparisons was to prove...

Exploring frustrated magnetism with artificial spin ice

September 26, 2016

Author(s)

Ian J. Gilbert, Bojan R. Ilic

Nanomagnet arrays known as artificial spin ice provide insight into the microscopic details of frustrated magnetism because, unlike natural frustrated magnets...

Low noise resistive bolometer read out for wideband room temperature infrared detector

September 25, 2016

Author(s)

Ivan Ryger, Malcolm G. White, Nathan A. Tomlin, John H. Lehman, Peter Lobotka, Dave Harber

The absolute electrical substitution radiometer is the way to ensure highly accurate and stable measurement of optical power in wide range of optical wavelength...

Estimation and uncertainty quantification of yield via strain recovery simulations

September 25, 2016

Author(s)

Paul Patrone

Low noise thermistor read out for wideband room temperature infrared detectors

September 25, 2016

Author(s)

Ivan Ryger, Michelle S. Stephens, John H. Lehman, Matthew T. Spidell, Malcolm G. White, Nathan A. Tomlin, Dave Harber, Peter Lobotka

An absolute electrical substitution radiometer is a way to ensure highly accurate and stable measurement of optical power in a wide range of optical wavelengths...

What's a Special Character Anyway? Effects of Ambiguous Terminology in Password Rules

September 23, 2016

Author(s)

Yee-Yin Choong, Kristen Greene

Although many aspects of passwords have been studied, no research to date has systematically examined how ambiguous terminology affects the user experience...

Evaluating IAQ and Energy Impacts of Ventilation in a Net-Zero Energy House Using a Coupled Model

September 20, 2016

Author(s)

Lisa C. Ng, William S. Dols, Dustin G. Poppendieck, Steven J. Emmerich

The National Institute of Standards and Technology (NIST) constructed the Net-Zero Energy Residential Test Facility (NZERTF) to support the development and...

Extinguishment and Enhancement of Propane Cup-Burner Flames by Halon and Alternative Agents

September 20, 2016

Author(s)

Gregory T. Linteris, Fumiaki Takahashi, Viswanath R. Katta, Valeri I. Babushok

Computations of cup-burner flames in normal gravity have been performed to reveal the combustion inhibition and enhancement by the CF3Br (halon 1301) and...

Gas-Phase Interactions of Phosphorus Containing Compounds with Cup-Burner Diffusion Flames

September 20, 2016

Author(s)

Gregory T. Linteris, Fumiaki Takahashi, Viswanath R. Katta, Valeri I. Babushok

The effects of phosphorus-containing compounds (PCC) on the extinguishment and structure of methane-air coflow diffusion flames, in the cup-burner configuration...

A Probabilistic Network Forensics Model for Evidence Analysis

September 20, 2016

Author(s)

Changwei Liu, Anoop Singhal, Duminda Wijesekera

Modern-day attackers tend to use sophisticated multi-stage/multi-host attack techniques and anti-forensics tools to cover their attack traces. Due to the...

Long term stability of ultra high molar mass polyethylene fibres

September 19, 2016

Author(s)

Amanda Forster, Aaron Forster, Joannie Chin, Sylvain H. Petit, Kai-Li Kang, Nicholas G. Paulter Jr., Kirk D. Rice, Don Jenket II, Mohamad Al-Sheikhly

Abstract. The performance of ultra-high molar mass polyethylene (UHMMPE) fibres for ballistic protection is predicated on the development of a highly aligned...

Abundance estimation of solid and liquid mixtures in hyperspectral imagery with albedo-based and kernel-based approaches

September 19, 2016

Author(s)

David W. Allen, Ronald G. Resmini, Robert S. Rand

This study investigates methods for characterizing materials that are mixtures of granular solids, or mixtures of liquids, which may be linear or non-linear...

Towards Building Simulation Tools for Next Generation Soft Body Armour Testing Standards

September 18, 2016

Author(s)

Steven P. Mates, Amanda L. Forster, Michael A. Riley, Kirk D. Rice, Juliana Ivancik

Accurate simulation tools for soft body armour testing would vastly improve test designer's ability to optimize and refine standards by supplying quantitative...

Nanomanufacturing Concerns about Measurements Made in the SEM Part V. Dealing with Noise

September 17, 2016

Author(s)

Michael T. Postek, Andras Vladar

Scanning electron microscopes (SEM) are used extensively in research and advanced manufacturing for materials characterization, metrology and process control...

Interaction of aerosol particle with a standing wave optical field

September 16, 2016

Author(s)

John J. Curry

Trajectories of spherical dielectric particles carried across an optical standing wave by a flowing medium areinvestigated. Trajectories are determined by a...

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