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Chemistry

Thermochemical properties

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Displaying 176 - 200 of 780

Thermophysical Properties of Carbon Dioxide and CO2-Rich Mixtures

May 9, 2016
Author(s)
Allan H. Harvey, Ian H. Bell, Marcia L. Huber, Arno R. Laesecke, Eric W. Lemmon, Christopher W. Meyer, Chris D. Muzny, Richard A. Perkins
This report summarizes the results of work performed under DOE/NETL Interagency Agreement DE- FE0003931, which began in October 2011 and ended (after a 6-month no-cost extension) March 31, 2015. The key objectives for this work were to: (1) Measure the dew

Detecting leaks in gas-filled pressure vessels using acoustic resonances

May 6, 2016
Author(s)
Keith A. Gillis, Michael R. Moldover, James B. Mehl
We demonstrate that a leak from a large, unthermostatted pressure vessel into ambient air can be detected an order of magnitude more effectively by measuring the time dependence of the ratio p/f 2 than by measuring the ratio p/T. Here f is the resonance

Adsorption, X-ray Diffraction, Photoelectron, and Atomic Emission Spectroscopy Benchmark Studies for the Eighth Industrial Fluid Properties Simulation Challenge

January 31, 2016
Author(s)
Daniel Siderius, Vincent K. Shen, Raymond D. Mountain, Richard B. Ross, David B. Aeschliman, Riaz Ahmad, John K. Brennan, Myles L. Brostrom, Kevin A. Frankel, Jonathan D. Moore, Joshua D. Moore, Derrick M. Poirier, Matthias Thommes, Nathan E. Schultz, Kenneth D. Smith
The primary goal of the eighth industrial fluid properties simulation challenge was to test the ability of molecular simulation methods to predict the adsorption of organic adsorbates in activated carbon materials. The challenge focused, in particular, on

Diesel Surrogate Fuels for Engine Testing and Chemical-Kinetic Modeling: Compositions and Properties

January 7, 2016
Author(s)
Charles J. Mueller, William J. Cannella, J. Timothy Bays, Thomas J. Bruno, Kathy DeFabio, Heather Dettman, Rafal M. Gieleciak, Marcia L. Huber, Chol-Bum Kweon, Steven S. McConnell, William J. Pitz, Matthew A. Ratcliff
The primary objectives of this work were to formulate, blend, and characterize a set of four ultra-low-sulfur diesel surrogate fuels in quantities sufficient to enable their study in single-cylinder engines and combustion-vessel experiments. The surrogate

Adapting the Poisson-Influenced K-Means Algorithm for a Larger User Base

November 19, 2015
Author(s)
Brian P. Morris, Zachary H. Levine
A superconducting transition edge sensor (TES) can be a useful tool for counting the number of photons in a highly attenuated pulse of light, but it requires calibration for its outputs to be interpretable as photon numbers. The Poisson-Influenced K-Means

Relation Between Pore Size and the Compressibility of a Confi ned Fluid

November 18, 2015
Author(s)
Daniel W. Siderius, Vincent K. Shen, William P. Krekelberg, Gennady Y. Gor, Christopher J. Rasmussen, Noam Bernstein
When a fluid is conned to a nanopore, its thermodynamic properties differ from the properties of a bulk fluid. Measuring certain properties of con fined fluid can provide information about the pore sizes. Here we report a simple relation between the pore
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