Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Conferences

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...

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...

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...

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...

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

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...

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...

Metrology for comparison of displacements at the picometer level

July 31, 2014

Author(s)

Jack A. Stone Jr., Patrick F. Egan, Jay H. Hendricks, Gregory F. Strouse, Douglas A. Olson, Jacob E. Ricker, Gregory E. Scace, Donavon Gerty

An apparatus capable of comparing displacements with picometer accuracy is currently being designed at NIST. In principle, we wish to compare one displacement...

Indoor Air Quality in High Performance Buildings: What is and isn't in ASHRAE/IES/USGBC Standard 189.1

July 29, 2014

Author(s)

Andrew K. Persily

While most discussions of high performance buildings (HPB) include site impacts, water use, energy, materials and indoor environmental quality, energy often...

A Comparison of Primary Gas Flow Standards Spanning the Range 10 sccm N2 to 10 slm N2

July 27, 2014

Author(s)

John D. Wright, Casey Rombouts, Bair Michael, Jean Barbe, Rainer Kramer, Zdenek Krajicek

We describe an international comparison of gas flow standards spanning the range 2.1 x 10-4 g/s (10 sccm) of nitrogen to 0.21 g/s (10 slm) of nitrogen. For all...

Wind-driven Airflow through Building Openings: Preliminary experimental results using Particle Image Velocimetry

July 25, 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...

³He Spin Filter Based Polarized Neutron Capability at the NIST Center for Neutron Research

July 24, 2014

Author(s)

WangChun Chen, Thomas R. Gentile, Ross W. Erwin, Shannon Watson, Qiang NMN Ye, Kathryn L. Krycka, Brian B. Maranville

A 3He neutron spin filter (NSF) program for polarized neutron scattering was launched in 2006 as part of the National Institute of Standards and Technology...

Surface and Uniaxial Electrical Measurements on Layered Cementitious Composites having Cylindrical and Prismatic Geometries

July 24, 2014

Author(s)

Robert Spragg, Scott Jones, Kenneth A. Snyder, Dale P. Bentz, Chiara Villani, Jason Weiss

Electrical measurements are becoming a common method to assess the transport properties of concrete. For a saturated homogenous system, the surface resistance...

Safety and Performance Standard Developments for Automated Guided Vehicles

July 23, 2014

Author(s)

Roger V. Bostelman, Tsai H. Hong, Roger D. Eastman

The American National Standards Institute/Industrial Truck Standards Development Foundation (ANSI/ITSDF) B56.5 Safety Standard committee for automated guided...

Energy Harvesting from the Human Leg Motion

July 23, 2014

Author(s)

Kamran Sayrafian, Antonio M. Possolo, Nathalie Yarkony

Kinetic energy harvested from the human body motion seems to be one of the most attractive and convenient solution for wearable wireless sensors in healthcare...

Spherical Near-Field Measurement Results at Millimeter-Wave Frequencies Using Robotic Positioning

July 21, 2014

Author(s)

Michael H. Francis, Ronald C. Wittmann, David R. Novotny, Joshua A. Gordon

We describe millimeter-wave near-field measurements made with the new National Institute of Standards and Technology (NIST) robotic scanning system. This cost...

Testing System of IEEE 1451.5-802.11 Standard-based Wireless Sensors

July 21, 2014

Author(s)

Kang B. Lee, Yuyin Song, Frederick M. Proctor

The hierarchical architecture of factory equipment networks consists of the factory level, cell level, and device level. The equipment at different levels of...

Development of an Engineering-Based Hydrogen-Assisted Fatigue Crack Growth Design Methodology for Code Implementation

July 20, 2014

Author(s)

Robert L. Amaro, Elizabeth S. Drexler, Andrew J. Slifka

A primary barrier to the widespread use of gaseous hydrogen as an energy carrier is the creation of a hydrogen-specific transportation network. Research...

Summary of an ASME/DOT project on measurements of fatigue crack growth rate of pipeline steels

July 20, 2014

Author(s)

Andrew J. Slifka, Elizabeth S. Drexler, Robert L. Amaro, Damian S. Lauria, Louis E. Hayden, Douglas G. Stalheim, Yaoshan Chen

The National Institute of Standards and Technology has been testing pipeline steels to determine the fatigue crack growth rate in pressurized hydrogen gas; the...

Raman spectroscopy-enhanced IIT: In situ analysis of mechanically stressed polycrystalline Si thin films

July 8, 2014

Author(s)

Yvonne B. Gerbig, Chris A. Michaels, Robert F. Cook

Exposed to mechanical stress, semiconductor materials may phase transform, resulting in changes of crystallographic structure and material properties, rather...

Cathodoluminescence Quantum Efficiency of Quantum Dot Thin Films

July 7, 2014

Author(s)

Heayoung Yoon, Christopher C. Bohn, Youngmin Lee, Seung H. Ko, Jonathan S. Steckel, Seth Coe-Sullivan, Nikolai B. Zhitenev

A thin film of quantum dots (QD) was used to visualize the local photo-response of polycrystalline CdTe solar cells by down-converting an electron beam of high...

The Effect of Sampling Strategy on Inferred Measures

July 6, 2014

Author(s)

Ellen M. Voorhees

Using the inferred measures framework is a popular choice for constructing test collections when the target document set is too large for pooling to be a viable...

Was this page helpful?