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Journals

A Dual Mode Evolutionary Algorithm Approach for Designing Optimized Finned-Tube Heat Exchangers

September 27, 2012

Author(s)

David A. Yashar, Piotr A. Domanski, Janusz Wojusiak, Kenneth Kaufman

The efficiency of a vapor compression system is strongly influenced by the performance of the finned-tube heat exchangers it employs. Heat exchanger performance...

Quantum Tomography via Compressed Sensing: Error Bounds, Sample Complexity, and Efficient Estimators

September 27, 2012

Author(s)

Yi-Kai Liu, Steven T. Flammia, David Gross, Jens Eisert

Intuitively, if a density operator has small rank, then it should be easier to estimate from experimental data, since in this case only a few eigenvectors need...

Thermal Decomposition of 1-Pentyl Radicals at High Pressures and Temperatures

September 27, 2012

Author(s)

Andrea Comandini, Iftikhar A. Awan, Jeffrey A. Manion

Complementary shock-tube studies at the National Institute of Standards and Technology (NIST) and the University of Illinois at Chicago (UIC) have been used to...

Cup-Burner Flame Structure and Extinguishment by C2HF5 in Microgravity

September 26, 2012

Author(s)

Gregory T. Linteris, Fumiaki Takahashi, Viswanath R. Katta, Oliver Meier

The effects of fire-extinguishing agent C2HF5 (pentafluoroethane, HFC-125) added to a coflowing airstream on the structure and extinguishing processes of...

Simple device for rare cell capture from whole blood

September 26, 2012

Author(s)

Jason G. Kralj, Samuel P. Forry, Matt S. Munson, Thomas P. Forbes, Chandamany Arya, Lynn Sorbara, Alessandro Tona, Sudhir Srivastava

We have developed a system to isolate rare cells from whole blood using commercially available components and simple microfluidics that can provide biologists...

Controlling Thermochromism in a Photonic Block Copolymer Gel

September 26, 2012

Author(s)

Joseph J. Walish, Yin Fan , Andrea Centrone, Edwin L. Thomas

Controlling the color via temperature-induced changes of self-assembled photonic materials is important for their application in sensors and displays. The...

A comparison of methods for Non-rigid 3D shape retrieval

September 26, 2012

Author(s)

Zhouhui Lian, Afzal A. Godil

Non-rigid 3D shape retrieval has become an active and important research topic in content-based 3D object retrieval. The aim of this paper is to measure and...

Valleytronics, Carrier Filtering and Thermoelectricity in Bismuth: Magnetic Field Polarization Effects

September 25, 2012

Author(s)

Adrian Popescu, Lilia Woods

Valley polarization of multi-valleyed materials is of significant interest for potential applications in electronic devices. The main challenge is removing the...

Bayesian Estimation of Reliability for Batches of High Reliability Single Use Parts

September 24, 2012

Author(s)

Adam L. Pintar

When batches of critical, very high reliability single use parts are being produced, rigorous testing is often required to qualify the parts and allow them to...

Current status and future needs for standards of radionuclides used in Positron Emission Tomography

September 23, 2012

Author(s)

Brian E. Zimmerman

Positron Emission Tomography is being increasingly used as a quantitative technique for detecting disease and monitoring patient progress during treatment. In...

Characterizing Firebrand Exposure from Wildland-Urban Interface (WUI) Fires: Results from the 2007 Angora Fire

September 22, 2012

Author(s)

Samuel L. Manzello, Ethan I. Foote

This study examines the size distribution and other characteristics of firebrand exposure during the 2007 Angora Fire, a severe Wildland-Urban Interface (WUI)...

Characterization and In-situ Monitoring of Sub-stoichiometric Adjustable TC Titanium Nitride Growth

September 21, 2012

Author(s)

Michael R. Vissers, Jiansong Gao, Jeffrey S. Kline, Martin O. Sandberg, Martin P. Weides, David S. Wisbey, David P. Pappas

The structural and electrical properties of Ti-N films deposited by reactive sputtering depend on their growth parameters, in particular the Ar:N2 gas ratio. We...

X-Ray Scattering Study on the Damage in Fibers Used in Soft Body Armor After Folding

September 21, 2012

Author(s)

Haruki Kobayashi, Walter G. McDonough, Joy Dunkers, Scott Wight, Hae-Jeong Lee, Jae H. Kim, Amanda L. Forster, Kirk D. Rice, Gale A. Holmes

Epitaxial (111) Films of Cu, Ni, and Cu_xNi_y on α–Al₂O₃(0001) for graphene growth by chemical vapor deposition

September 21, 2012

Author(s)

David L. Miller, Mark W. Keller, Justin Shaw, Ann Chiaramonti Debay, Robert Keller

Films of (111)-textured Cu, Ni, and Cu xNi y were evaluated as substrates for chemical vapor deposition of graphene. A metal thickness of 400 nm to 700 nm was...

PEG-Labeled Nucleotides and Nanopore Detection for Single Molecule DNA Sequencing by Synthesis

September 21, 2012

Author(s)

Shiv Kumar, Tao Chuanjuan, Chien Minchen, Hellner Brittney, Joseph W. Robertson, Arvind Balijepalli, Li Zengmin, James J. Russo, Joseph E. Reiner, John J. Kasianowicz, Jingyue Ju

There is a significant need to accurately sequence single DNA and RNA molecules for personalized medicine. We describe a novel nanopore-based sequencing by...

Comprehensive Observations of the Ultraviolet Spectrum and Improved Energy Levels for Singly-Ionized Chromium (Cr II)

September 20, 2012

Author(s)

Craig J. Sansonetti, Gillian Nave, Joseph Reader, Florian Kerber

We report new observations of the spectrum of singly-ionized chromium (Cr II) in the region 1142 A to 3954 A. The spectra were recorded with the National...

Dieseline for Supercritical Injection and Combustion in Compression-Ignition Engines: Volatility, Phase Transitions, Spray/Jet Structure, and Thermal Stability

September 20, 2012

Author(s)

Thomas J. Bruno, George G. Anitescu, Lawrence L. Tavlarides

To optimize the injection-combustion process of increasingly diversified fuels, thermophysical and chemical properties of new blends are required over wide...

Anomalous Friction in Suspended Graphene

September 20, 2012

Author(s)

Alexander Y. Smolyanitsky, Jason P. Killgore

Since the discovery of the Amonton's law and with support of modern tribological models, friction between surfaces of three-dimensional materials is known to...

Concentration Measurement of Length-Fractionated Colloidal Single-Wall Carbon Nanotubes

September 20, 2012

Author(s)

Constantine Y. Khripin, Xiaomin X. Tu, John Howarter, Jeffrey A. Fagan, Ming Zheng

Determination of the colloid concentration for a given single-wall carbon nanotube (SWCNT) dispersion is a basic requirement for many studies. The commonly used...

Performance of the NIST goniometer with a broad-band source and multichannel CCD based spectrometer

September 20, 2012

Author(s)

Vyacheslav B. Podobedov, Maria Nadal, C Cameron Miller

Mg-Fe Thin Films: A Phase-separated Structure with Fast Kinetics of Hydrogenation

September 20, 2012

Author(s)

Shiyou Zheng, Ke Wang, Vladimir Oleshko, Leonid A. Bendersky

In this paper we suggest a new approach to improve the kinetics of hydrogenation based on a material with high density of interfaces between hydride-forming...

Dieseline for Supercritical Injection and Combustion in Compression-Ignition Engines: Volatility, Phase Transitions, Spray/Jet Structure, and Thermal Stability

September 20, 2012

Author(s)

George Anitescu, Thomas J. Bruno, Lawrence L. Tavlarides

To optimize the injection-combustion process of increasingly diversified fuels, thermophysical and chemical properties of new blends are required over wide...

Effect of Confinement on Structure, Water Solubility and Water Transport in Nafion Thin Films

September 19, 2012

Author(s)

Kirt A. Page, Scott Eastman, Shuhui Kang, Christopher L. Soles, Brandon W. Rowe

Fuel cells based on polymer electrolyte membranes (PEM) show promise as a means of energy conversion for a wide range of applications both in the transportation...

Gradient-based stopping rules for maximum-likelihood quantum-state tomography

September 18, 2012

Author(s)

Scott C. Glancy, Emanuel H. Knill, Mark Girard

When performing maximum likelihood quantum state tomography, one must find the quantum state that maximizes the likelihood for observed measurements on...

Evidence for Anisotropic Polar Nanoregions in Relaxor Pb(Mg_1/3}Nb_2/3})O₃: A Neutron Study of the Elastic Constants and Anomalous TA Phonon Damping in PMN

September 18, 2012

Author(s)

Christopher K. Stock, Peter M. Gehring, H. Hiraka, I. Swainson, Guangyong Xu, Z.-G. Ye, J.-F. Li, D. Viehland

We use neutron inelastic scattering methods to characterize the acoustic phonons in the relaxor Pb(Mg 1/3}Nb 2/3})O 3 (PMN) and demonstrate the presence of a...

Computational Design of New Refrigerant Fluids Based on Environmental, Safety, and Thermodynamic Characteristics

September 17, 2012

Author(s)

Andrei F. Kazakov, Mark O. McLinden, Michael D. Frenkel

We present a systematic search for new classes of refrigerants that would possess low values of Global Warming Potential (GWP), along with low- to moderate...

Impact of Size on Carbon Nanotube Transport in Natural Porous Media

September 17, 2012

Author(s)

Denis O'Carroll, Xeuying Liu, Nikolai Mattison, Elijah Petersen

Carbon nanotubes are the subject of intense research due to their unique properties: light weight, significant strength, excellent conductivity, and outstanding...

Characterization of a High-Speed (10 MHz) Quadrant Avalanche Photodiode for Measuring Cantilever Displacement

September 16, 2012

Author(s)

Brian G. Burke, David A. LaVan

We have measured the characteristics of a high-speed (10 MHz) quadrant avalanche photodiode (APD) in order to detect high frequency resonant oscillations and...

Ferri- to ferro-magnetic transition in the martensitic phase of a Heusler alloy

September 15, 2012

Author(s)

Robert D. Shull, Lawrence H. Bennett, Virgil Provenzano, Y. N. Jin, Igor Levin, E. Della Torre

During the past decade the magnetic properties of Heusler alloys have been extensively studied, motivated in part by the observation of large magnetocaloric...

A Sensitivity Study of the Heating Behavior of Composite Slab during Frame Fire Resistance Test

September 14, 2012

Author(s)

Dilip K. Banerjee

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