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Conferences

The Measurement of the Local Acceleration of Gravity for the NIST4 Watt Balance

August 24, 2014

Author(s)

David B. Newell, Jacques Liard, Leon S. Chao, Yusi A. Cao, Frank C. Seifert, Darine El Haddad, Jon R. Pratt, Stephan Schlamminger

A new watt balance is being constructed at NIST in preparation for the redefinition of the International System of Units and the realization of mass through an...

Heterodyne interferometer with subnanometer accuracy

August 24, 2014

Author(s)

Darine El Haddad, Frank C. Seifert, Stephan Schlamminger, Leon S. Chao, David B. Newell, Jon R. Pratt

This paper gives a brief description of the laser interferometer system designed for the next generation watt balance experiment aimed to realize the unit of...

Relative Humidity Effects on Rectangular Waveguide Thermistor Sensors

August 24, 2014

Author(s)

Thomas P. Crowley

A correlation between the relative humidity nd the effective efficiency of several rectangular waveguide thermistor sensors has been observed. The difference...

The Design of the NEW NIST-4 Watt Balance

August 24, 2014

Author(s)

Leon S. Chao, Stephan Schlamminger, Frank C. Seifert, Yusi A. Cao, Darine El Haddad, David B. Newell, Jon R. Pratt

The design of the new permanent-magnet driven watt balance and novel mechanical features will demonstrate the high-precision capabilities of a large complex...

Measurement of the Boltzmann Constant with Noise Thermometry at NIM

August 24, 2014

Author(s)

Jifeng Qu, Kunli Zhou, Horst Rogalla, Samuel Benz, Yunfeng Fu

Since 2010 we have been developing a quantum-voltage-calibrated Johnson noise thermometer at NIM to measure the Boltzmann constant k. With recent improvements...

Investigations on the measurement of the leakage resistance to ground of a NIST Programmable Josephson Voltage Standard

August 24, 2014

Author(s)

Stephane Solve, Regis Chayramy, Alain Rufenacht, Charles J. Burroughs, Samuel Benz

The Programmable Josephson Voltage Standard (PJVS) leakage resistance to ground (LRG) is defined as the electrical resistance of one side of the measurement...

Single-shot security for one-time memories in the isolated qubits model

August 21, 2014

Author(s)

Yi-Kai Liu

One-time memories (OTM's) are simple, tamper-resistant cryptographic devices, which can be used to implement sophisticated functionalities such as one-time...

Dielectrofluidics for Electronic-Based Chemical and Particle Analysis

August 18, 2014

Author(s)

James C. Booth, Spencer T. Egan, Charles A. Little, A Padilla, Yu Y. Wang, Nathan D. Orloff

The interactions of electromagnetic fields with matter are described by means of the polarization and magnetization of the material under study. Analogous to...

An Information Classification System for Life Cycle and Manufacturing Standards

August 18, 2014

Author(s)

Sarah Wolff, Anantha Narayanan Narayanan, David Lechevalier, KC Morris

Sustainable manufacturing aims to increase efficiency and offset negative impacts throughout the life cycle of products. A myriad of standards pertaining to...

Broadband Rydberg Atom Based Self-Calibrating RF E-field Probe

August 16, 2014

Author(s)

Christopher L. Holloway, Joshua A. Gordon, Steven R. Jefferts, Thomas P. Heavner

We present a significantly new approach for an electric (E) field probe. The probe is based on the interaction of RF-fields with Rydberg atoms, where alkali...

On the Unification of Access Control and Data Services

August 15, 2014

Author(s)

David F. Ferraiolo, Serban I. Gavrila, Wayne Jansen

A primary objective of enterprise computing (via a data center, cloud, etc.) is the controlled delivery of data services (DS). Typical DSs include applications...

Precision limitations in coherent laser ranging due to speckle phase noise

August 15, 2014

Author(s)

Esther Baumann, Jean-Daniel Deschenes, Fabrizio R. Giorgetta, William C. Swann, Ian R. Coddington, Nathan R. Newbury

The ultimate precision of coherent laser three-dimensional mapping of a diffusely scattering surface will be determined by speckle noise. Speckle phase noise...

Modeling of 2-bromotrifluoropropene flame inhibition

August 14, 2014

Author(s)

Donald R. Burgess Jr., Jeffrey A. Manion, Valeri I. Babushok, Gregory T. Linteris

We developed a new chemical mechanism for modeling flame inhibition by 2-bromotrifluoropene (2-BTP). The modeling results qualitatively predicted agent behavior...

Toward Metamodels for Composable and Reusable Additive Manufacturing Process Models

August 12, 2014

Author(s)

Paul W. Witherell, Shaw C. Feng, Timothy Simpson

Despite the existence and interest in additive manufacturing (AM) for many decades, industry adoption of AM technologies has been relatively slow. Recent...

XForms User Interfaces for Small Arcane Nontrivial Datasets

August 11, 2014

Author(s)

Joshua Lubell

Small Arcane Nontrivial Datasets (SANDs) are frequently complex enough to warrant custom software for access and editing, yet too small or specialized to...

Compressed-liquid density measurements of three alternative turbine fuels

August 10, 2014

Author(s)

Stephanie L. Outcalt

Heavier kerosene based liquid fuels for aircraft and rockets are required to meet stringent performance specifications. Nevertheless, the escalating cost...

Improved Performance, Remote Realization, and Accessibility of the Inter-American Metrology System (SIM) Time Scale

August 7, 2014

Author(s)

Michael A. Lombardi, J. Mauricio Lopez-Romero, Nelida Diaz-Munoz, E. de Carlos-Lopez

The time and frequency metrology working group of the Inter-American Metrology System (SIM) has developed and currently maintains a number of measurement...

Long Term Air Quality Monitoring in a Net-Zero Energy Residential Test Facility Designed with Specifications for Low Emitting Interior Products

August 6, 2014

Author(s)

Dustin G. Poppendieck, Lisa C. Ng, Matthew P. Schlegel, Andrew K. Persily, Alfred Hodgson

This study evaluated the effectiveness of a low-VOC (volatile organic compounds) specification designed to minimize occupant exposures to indoor air pollutants...

Measured Carbon Monoxide Emission Rates from Stock and Reduced- Emission Prototype Portable Generators

August 6, 2014

Author(s)

Steven J. Emmerich, Leon Wang, Andrew K. Persily

To better understand and to reduce the occurrence of carbon monoxide fatalities, this paper presents measured CO emission rates from both stock (i.e., without...

Particle Image Velocimetry Experiments in a Wind Tunnel to Study Wind-driven Airflow through Building Openings

August 6, 2014

Author(s)

Liang Chung J. Lo

Todays low energy and sustainable buildings often call for innovative designs involving strategies such as natural ventilation. However, natural ventilation...

Indoor Air Quality: The Forgotten, Yet Critical, Element in Sustainable Buildings

August 6, 2014

Author(s)

Kevin Y. Teichman, Andrew K. Persily

In this paper, we consider how high performing, sustainable building programs and designs are currently addressing indoor air quality (IAQ) and how they might...

Simulation Study of Carbon Monoxide Exposure from Portable Generators in U.S. Residences

August 6, 2014

Author(s)

Andrew K. Persily, Steven J. Emmerich, Yanling Wang, Brian J. Polidoro

A simulation study was conducted to evaluate indoor CO exposures as a function of portable generator location and CO emission rate in order to support the...

Long Term Emissions from Spray Polyurethane Foam Insulation

August 6, 2014

Author(s)

Dustin G. Poppendieck, Steven J. Nabinger, Matthew P. Schlegel, Andrew K. Persily

The desire to build more energy efficient homes in the United States has lead to the expansion of the residential spray polyurethane foam (SPF) insulation...

Characterizing a Device's susceptibility to broadband signals: A case study

August 4, 2014

Author(s)

Jason B. Coder, John M. Ladbury, David Hunter

It is common for electronic devices to be tested for their susceptibility to radiated signals they may be exposed to during their normal operation. A...

Transportation Effect of the Ni-Cr Based Metal-Foil Standard Resistors in the Trilateral Comparison Pilot Study between KRISS, NIST and NMIJ

August 1, 2014

Author(s)

Randolph E. Elmquist, Nobu-hisa Kaneko, Takehiko Oe, Wan-Seop Kim, Dong Hun Chae, Marlin E. Kraft

This paper describes a study on the transportation effect using four 100 Ω standard resistors of a new construction. All resistors have been transported by air...

Does Your SEM Really Tell the Truth? - How would you know? Part 3: Vibration and Drift

August 1, 2014

Author(s)

Michael T. Postek, Andras Vladar, Petr Cizmar

This is the third of a series of papers discussing various causes of measurement uncertainty in scanned particle beam instruments, and some of the solutions...

Development of Low Carrier Density Graphene Devices

August 1, 2014

Author(s)

Yanfei Yang, Lung-I Huang, David B. Newell, Yasuhiro Fukuyama, Mariano A. Real, Randolph Elmquist

Epitaxial graphene on SiC(0001) is used to fabricate Hall bar structures for metrological applications with a fabrication process that has been developed to...

Construction of a watt balance with the aim to realize the kilogram at the National Institute of Standards and Technology

August 1, 2014

Author(s)

Darine El Haddad, Leon Chao, Frank Seifert, David B. Newell, Jon R. Pratt, Stephan Schlamminger

A redefinition of the International System of Units, the SI, is impending and could occur as early as 2017. After redefinition a means to realize the unit of...

Multiscale (nano to mm) Porosity in the Eagle Ford Shale: Changes as a Function of Maturity

August 1, 2014

Author(s)

L. M. Anovitz, D. R. Cole, A. Swift, J. Sheets, H. Elston, S. Welch, S. J. Chipera, K. C. Littrell, David F. Mildner, Matthew John Wasbrough

Device-Level PBTI-induced Timing Jitter Increase in Circuit-Speed Random Logic Operation

July 31, 2014

Author(s)

Jiwu Lu, Canute I. Vaz, Jason P. Campbell, Jason T. Ryan, Kin P. Cheung, Guangfan Jiao, Gennadi Bersuker, Chadwin D. Young

We utilize eye-diagram measurements of timing jitter to investigate the impact of PBTI in devices subject to DC as well as ring oscillator (RO) and pseudo...

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