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Conferences

Constraints on Monopole-Dipole Interactions of Wisps from Polarized Gas Relaxation Time

August 31, 2011

Author(s)

Changbo Fu, Thomas R. Gentile, W M. Snow

Various theories beyond the Standard Model predict new particles with masses in the sub-eV range with very weak couplings to ordinary matter. A P-odd, T-odd...

Ventilation Measurements in IAQ Studies: Problems and Opportunities

August 30, 2011

Author(s)

Andrew K. Persily, Hal Levin

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

Nucleation and Growth of Freshly-Formed Particles from Limonene Ozonolysis

August 30, 2011

Author(s)

Chi P. Hoang, Dong H. Rim, Lance L. Wallace, Andrew K. Persily

In building environments, oxidation reactions involving ozone and terpenoids lead to nano-sized particle formation [Jang et al. 1999]. Low volatility products...

CHEMICAL INTERACTIONS OF THE Ba2YCu3O6+x SUPERCONDUCTOR WITH COATED CONDUCTOR BUFFER LAYERS

August 30, 2011

Author(s)

Winnie K. Wong-Ng, Zhi Yang, Guangyao Liu, Qingzhen Huang, Lawrence P. Cook, Shailee P. Diwanji, Christopher E. Lucas, Mi-Hye Jang, James A. Kaduk

Continued research on high Tc superconductors has led to the promise of a wide variety of industrial applications. To implement these applications, the...

Reduction of Exposure to Ultrafine Particles by Kitchen Exhaust Fans of Varying Flow Rates

August 30, 2011

Author(s)

Dong H. Rim, Andrew K. Persily, Lance L. Wallace

This study has investigated the effect of a kitchen exhaust hood on the reduction of exposure to ultrafine particles (UFP) from a gas stove. Size-resolved UFP...

Diffusion-controlled reference material for VOC emissions testing: validation and application of a mass transfer model

August 30, 2011

Author(s)

Zhe Liu, Cynthia H. Reed, Steven Cox, John Little

To reduce indoor exposure to harmful volatile organic compounds (VOCs), low VOC-emitting products are increasingly in demand. These are usually tested in...

A Comparative Study of Estimating Particle Resuspension Rate using a Consistent Test Mechanism

August 30, 2011

Author(s)

Yilin Tian, Kyung Sul, Cynthia H. Reed, Dennis D. Leber, Andrea Ferro

Human walking influences indoor air quality by resuspending dust particles that have deposited on the floor. Previous research shows that particle resuspension...

The NIST EUV facility for advanced photoresist qualification using the witness-sample test

August 29, 2011

Author(s)

Steven E. Grantham, Charles S. Tarrio, Shannon B. Hill, Lee J. Richter, J. van Dijk, C. Kaya, N. Harned, R. Hoefnagels, M. Silova, J. Steinhoff

Before being used in an extreme-ultraviolet (EUV) scanner, photoresists must first be qualified to ensure that they will not excessively contaminate the scanner...

Validation of Uniaxial Data Beyond Uniform Elongation

August 29, 2011

Author(s)

Mark A. Iadicola

Uniaxial testing is one of the simplest methods used to determining mechanical properties for sheet metals, but the classic test does not determine properties...

DIFFUSION-CONTROLLED REFERENCE MATERIAL FOR VOC EMISSIONS TESTING

August 29, 2011

Author(s)

Zhe Liu, Cynthia H. Reed, Steve Cox, John Little

To improve the reliability and accuracy of tests used to measure emissions of volatile organic compounds (VOCs) from samples of interior building products, the...

Extent and Quality of Interface in Cellulose-PE Nanocomposites

August 28, 2011

Author(s)

Mauro Zammarano, Paul H. Maupin, Li Piin Sung, Jeffrey W. Gilman, Edward D. McCarthy, Yeon S. Kim, Douglas M. Fox

Quantifying the Transport Properties of Thin Polymer Gels via an Indentation-Based Technique

August 28, 2011

Author(s)

Edwin P. Chan, Yuhang Hu, Peter M. Johnson, Zhigang Suo, Christopher M. Stafford

Recently, an indentation approach has been demonstrated to quantify the poroelastic relaxations of hydrogels. Although the approach has been demonstrated to...

Characterizing the Mechanical Properties and Degradation of Thin Polymer Membranes

August 28, 2011

Author(s)

Christopher M. Stafford, Jun Y. Chung, Junghyun Lee

The elasticity, strength, and toughness of thin polymer membranes are of considerable interest since direct knowledge of these key mechanical properties can...

Investigation of Thermally Responsive Block Copolymer Thin Film Morphology using Gradient Libraries

August 28, 2011

Author(s)

Jennifer Y. Kelly, Christopher M. Stafford, Michael J. Fasolka, Thomas H. Epps, John A. Howarter, Shuhui Kang, Julie N. Albert

Fracture of X100 Pipeline Steel: Combined Experimental-Numerical Process

August 26, 2011

Author(s)

Mordechai Szanto, Christopher N. McCowan, Elizabeth S. Drexler, Joseph D. McColskey

Accurate characterization of material fracture properties is necessary for reliable numerical prediction of rupture in gas pipelines. In the current work the...

The Residual Resistance Ratio of High-Purity Platinum

August 22, 2011

Author(s)

Weston L. Tew, William E. Murdock, Michal J. Chojnacky, Dean C. Ripple

High-purity platinum wire is produced for use in both Standard Platinum Resistance Thermometers (SPRTs) and type S and type R thermocouples. The resistance...

Practical Aspects of Applying Evolutionary Algorithms for Optimizing Refrigerant Circuitry in Heat Exchangers

August 21, 2011

Author(s)

Piotr A. Domanski, David A. Yashar, Sunil Lee, Janusz Wojtusiak

A public domain finned-tube heat exchanger simulation program, EVAP-COND ver. 3.0, has been equipped with an evolutionary algorithm-based module, called ISHED ...

Alternative Cooling Technology Options

August 21, 2011

Author(s)

J S. Brown, Piotr A. Domanski

This paper considers the alternative cooling technologies studied by Fisher et al. (1994) and assesses their current potential to compete with or to replace...

Cooperative Sensor Relocation in a Mobile Sensor Network by Distributed Subgradient Algorithm

August 20, 2011

Author(s)

Vladimir V. Marbukh, Kamran Sayrafian, Hamid Mahboubi, Ahmadreza Momeni, Amir G. Aghdam

Collaborative sensor relocation has potential to improve Mobile Sensor Network (MSN) performance while prolonging its life span by conserving sensor battery...

A Prototype IEEE 1451.4 Smart Transducer Interface for Sensors and Actuators

August 19, 2011

Author(s)

Yuyin Song, David M. Westbrook, Kang B. Lee

Analog transducers (sensors or actuators) are widely used in industry. The Institute of Electrical and Electronics Engineers (IEEE) 1451.4 standard defines a...

Catalyst-free GaN nanowire growth and optoelectronic characterization

August 19, 2011

Author(s)

Kristine A. Bertness, Norman A. Sanford, John B. Schlager

We discuss the present state-of-the-art concerning the growth mechanism, optical luminescence and electrical properties for GaN nanowires grown with catalyst...

Accurate Nanometer-Scale Imaging and Measurements with SEM

August 18, 2011

Author(s)

Bradley N. Damazo, Bin Ming, Premsagar P. Kavuri, Andras Vladar, Michael T. Postek

Scanning electron microscopes (SEMs) are incredibly versatile instruments for millimeter to nanometer scale imaging and measurements of size and shape. New...

An Empirical Study of a Vulnerability Metric Aggregation Method

August 18, 2011

Author(s)

Su Zhang, Xinming Ou, Anoop Singhal, John Homer

Quantifying security risk is an important and yet difficult task in enterprise network risk management, critical for proactive mission assurance. Even though...

VISCOSITY AND DENSITY OF ALUMINUM OXIDE NANOLUBRICANT

August 17, 2011

Author(s)

Mark A. Kedzierski

This paper presents liquid kinematic viscosity and density measurements of a synthetic polyolester-based aluminum oxide (Al2O3) nanoparticle dispersion...

A Note on Visualizing Smoke and Fire

August 15, 2011

Author(s)

Glenn P. Forney

Realistic visualization methods are important for applications where one wishes to observe data effects rather than examine data quantitatively. This note...

Interference Tests for 900 MHz Frequency-Hopping Public-Safety Wireless Devices

August 15, 2011

Author(s)

Catherine A. Remley, Michael R. Souryal, William F. Young, Daniel G. Kuester, David R. Novotny, Jeffrey R. Guerrieri

We discuss free-field measurement methods designed to quantify interference between wireless devices such as RF identification systems and RF-based emergency...

Correlating fiber mechanical properties and molecular structure with ballistic performance

August 15, 2011

Author(s)

Gale A. Holmes, Walter G. McDonough, Jae Hyun Kim, Haruki Kobayashi, Wayne L. Elban, Kirk D. Rice

Quality assessment in the Fire Dynamics Simulator: A bridge to reliable simulations

August 15, 2011

Author(s)

Randall J. McDermott

In this paper, we examine the emerging field of \emph{quality assessment} for large-eddy simulation of fire dynamics. The importance of model convergence is...

The Reverberation Chamber's Unstirred Field: A Validation of the Image Theory Interpretation

August 15, 2011

Author(s)

Ryan J. Pirkl, John M. Ladbury, Catherine A. Remley

Synthetic aperture measurements of a reverberation chamber's unstirred wireless channel are used to compare the observed power, time-of-arrival, and angle-of...

Simulation of a MIMO System in a Reverberation Chamber

August 15, 2011

Author(s)

Helge Fielitz, Kate Remley, Christopher L. Holloway

We present a general method to test MIMO antenna setups and algorithms in a reverberation chamber. Our test set-up enables measurement of data throughput using...

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