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Conferences

Development of a Design Guide to Improve Building IAQ

August 17, 2008

Author(s)

Andrew K. Persily, Martha Hewett, Jude Anders, Lynn Bellenger, Ronald Burton, John Girman, Eli HowardI, Eric Werling

Building owners and developers, and the designers and contractors they employ, are faced with a variety of requirements related to building function...

The International State of Building System Commissioning

August 17, 2008

Author(s)

Natascha S. Milesi-Ferretti, Nobuo Nakahara, Harunori Yoshida

Buildings are a major and growing source of energy consumption and as such, contribute to the significant problems associated with energy dependence and growing...

Ventilation Measurements in Selected IAQ Studies

August 17, 2008

Author(s)

Andrew K. Persily

Building and space ventilation rates are primary determinants of indoor pollutant levels and occupant exposures, and the impacts of ventilation on health and...

Ultrafine Particles from 2 nm to 64 nm Generated by a Gas Stove and Electric Toaster Oven: Size-Resolved Coagulation, Deposition, and Emission Rates

August 17, 2008

Author(s)

Lance L. Wallace, Wang Fang, Cynthia H. Reed

NIST is studying ultrafine particles (UFP) between 2 nm and 64 nm produced by common indoor combustion and electric appliances. Experiments were conducted in an...

Relative Permittivity Measurements Using the Higher-Order Resonant Mode of a Near-field Microwave Probe

August 16, 2008

Author(s)

Michael D. Janezic, Jeffrey A. Jargon, James R. Baker-Jarvis

We demonstrate that the higher-order resonant modes of a near-field microwave probe can be used for quantitative relative permittivity measurements of low-loss...

Highly charged ion (HCI) modified tunnel junctions

August 15, 2008

Author(s)

Joshua M. Pomeroy, Holger Grube

The neutralization energy carried by highly charged ions (HCIs) provides a fundamentally independent method for localizing energy on a targets surface...

Angle-dependent infrared reflectance measurements in support of VIIRS

August 14, 2008

Author(s)

Simon G. Kaplan, Leonard M. Hanssen, Enrique J. Iglesias

We have developed a goniometric reflectometer using a Fourier-transform infrared (FTIR) spectrometer source for polarized reflectance measurements from 1 um to...

Measuring the Phase Transfer Function of a Phase-Shifting Interferometer

August 13, 2008

Author(s)

JiYoung Chu, Quandou (. Wang, John P. Lehan, Ulf Griesmann, Guangjun Gao

In characterizing the performance of a phase-shifting interferometer, the dependence of the measured height on the spatial frequency is rarely considered. We...

Single Cell Viability Measured via Scanning Electrochemical Microscopy and Live/Dead Staining

August 12, 2008

Author(s)

Kavita M. Jeerage, Tammy L. Oreskovic, Nikki S. Rentz, Damian S. Lauria

Based on its standard reduction potential, oxidized ferrocenemethanol (FcCH2OH+) may act as an alternate electron acceptor to oxygen during cellular metabolism...

Improved multiplexed Infrared Single Photon Detectors

August 11, 2008

Author(s)

Sergey V. Polyakov, Alan L. Migdall, V Schettini, Ivo P. Degiovanni, Giorgio Brida, F Piacentini

We discuss a scheme for a photon-counting detection system that overcomes the difficulties of photon-counting at high rates at telecom wavelengths. Our method...

Current Activities Related to the Core Manufacturing Simulation Data Standards Development Effort

August 7, 2008

Author(s)

Yung-Tsun T. Lee, Frank H. Riddick, Charles R. McLean, Swee K. Leong

The Core Manufacturing Simulation Data (CMSD) specification, developed by researchers at the National Institute of Standards and Technology, provides neutral...

Power Conditioning System Technologies for High-Megawatt Fuel Cell Plants

August 7, 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...

Radio Propagation Measurements Before, During, and After the Collapse of Three Large Building Structures

August 7, 2008

Author(s)

Christopher L. Holloway, Galen H. Koepke, Dennis G. Camell, Catherine A. Remley

We are investigating various schemes for detecting first responders and civilians with portable radios or cell phones who are trapped in voids in a collapsed or...

An Integrated Control and Simulation Environment for Mobile Robot Software Development

August 7, 2008

Author(s)

Stephen B. Balakirsky, Frederick M. Proctor, Christopher J. Scrapper Jr, Thomas Kramer

In order to expedite the research and development of robotic systems and foster development of novel robot configuration, is it essential to develop tools and...

Metrology at the Nanoscale: What are the Grand Challenges?

August 6, 2008

Author(s)

Kevin W. Lyons, Michael T. Postek

Nanometrology provides the means to measure and characterize nanometer scale process and product performance and covers an expanse of topics including...

Cellulose Nanocrystals the Next Big Nano-thing?

August 6, 2008

Author(s)

Michael T. Postek, Andras Vladar, John A. Dagata, Natalia Farkas, Bin Ming, Ronald Sabo, Theodore H. Wegner

Biomass surrounds us from the smallest alga to the largest redwood tree. Even the largest trees owe their strength to a newly-appreciated class of nanomaterials...

The Use of GPS Disciplined Oscillators as Primary Frequency Standards for Calibration Laboratories

August 4, 2008

Author(s)

Michael A. Lombardi

Many calibration and testing facilities now employ a Global Positioning System disciplined oscillator (GPSDO) as their primary frequency standard. GPSDOs have...

Surface-plasmon-enhanced electric fields in two-dimensional arrays of gold nanodisks

August 4, 2008

Author(s)

Ward L. Johnson, Sudook A. Kim, Zhandos Utegulov, B. T. Draine

Electric-field distributions in two-dimensional arrays of gold nanodisks on Si3N4 membranes are modeled, using the discrete-dipole approximation, as a function...

Evidence-Based, Good Enough, and Open

August 4, 2008

Author(s)

Karen A. Scarfone

One of the holy grail questions in computer security is how secure are my organization systems? This paper describes our new approach to answering this question...

Diffusive and convective mass transfer in two-phase flow in microchannels

August 3, 2008

Author(s)

Steven D. Hudson, Jai A. Pathak, Jeffrey D. Martin

The kinetics of mass transfer from one phase to another is monitored in flow. The time-dependent interfacial tension between water and oil (determined from drop...

Development of a Self-Excited Oscillator for SI-Traceable Measurements in Atomic Force Microscopy

August 3, 2008

Author(s)

Gregory W. Vogl, Jon R. Pratt

A new self-excited micro-oscillator is proposed as a velocity reference that could aid the dissemination of nanonewton-level forces that are traceable to the...

Design and Performance of the new NIST Hybrid Humidity Generator

August 1, 2008

Author(s)

Christopher W. Meyer, W Wyatt Miller, Dean C. Ripple, Gregory E. Scace

A new humidity generator has been constructed at the National Institute of Standards and Technology. Once fully operational, the NIST Hybrid Humidity Generator...

Procedures for the Traceability of High Resistance Standards Using a Teraohmmeter

August 1, 2008

Author(s)

Dean G. Jarrett, Marlin E. Kraft, Isabel Castro, Brett Degler, Mark Evans

The Metrology of the Ohm Project in the Quantum Electrical Metrology Division (QEMD) at the National Institute of Standards and Technology (NIST) routinely...

CTOA Results for X65 and X100 Pipeline Steels:Influence of Displacement Rate

August 1, 2008

Author(s)

Roni Reuven, Christopher N. McCowan, Elizabeth S. Drexler, Avigdor Shtechman, Philippe P. Darcis, John M. Treinen, R. Smith, J. Merritt, Thomas A. Siewert, Joseph D. McColskey

The toughness and plasticity of steel generally decreases with increasing testing rate. The crack tip opening angle (CTOA) was measured on two types of...

A Direct Josephson Voltage Standard Comparison between NIST and Lockheed Martin Mission Service

August 1, 2008

Author(s)

Yi-hua Tang

A direct Josephson Voltage Standard (JVS) comparison between NIST and Lockheed Martin Mission Services (LMMS) is carried out in March 2008 by using the NIST...

Power Loading Effects in Precision 1 Ohm Resistors

August 1, 2008

Author(s)

George R. Jones, Randolph E. Elmquist

Five manganin alloy Thomas-type 1 Ohm resistors serve as primary working standards at the National Institute of Standards and Technology (NIST) in the precision...

Architectural Considerations for Mapping Distribution Protocols

August 1, 2008

Author(s)

Kotikalapudi Sriram, Young-Tak Kim, Douglas C. Montgomery

In this paper, we present a discussion of some architectural ideas pertaining to the mapping distribution protocol. The efficiency of this protocol in terms of...

Dynamic Apparatus for the CTOA Measurement in Pipeline Steels

August 1, 2008

Author(s)

Avigdor Shtechman, Christopher N. McCowan, Roni Reuven, Elizabeth S. Drexler, Philippe P. Darcis, John M. Treinen, R. Smith, J. Merritt, Thomas A. Siewert, Joseph D. McColskey

When a crack initiates and propagates in a pressurized pipe the only thing that might stop this high-velocity event is the release of internal pressure...

Design, Fabrication, and Characterization of High-Performance Silicon Nanowire Transistors

August 1, 2008

Author(s)

Qiliang Li, Xiaoxiao Zhu, Yang Yang, D. E. Ioannou, Hao Xiong, John S. Suehle, Curt A. Richter

We report the fabrication and characterization of double-gated Si nanowire field effect transistors with excellent current-voltage characteristics, low...

Robust Optical Design of Angled Multilayer Dielectric Mirrors Optimized for Rubidium Vapor Cell Return Reflection

August 1, 2008

Author(s)

M A. Perez, John Kitching, A Shkel

This paper reports on the design and implementation of thin film multilayer dielectric reflectors on the sidewalls of micromachined reflector cells. Due to...

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