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Chemistry

Thermochemical properties

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Displaying 226 - 250 of 403

ThermoData Engine (TDE): Software Implementation of the Dynamic Data Evaluation Concept. 6. Dynamic Web-based Data Dissemination through the NIST Web Thermo Tables

April 26, 2011
Author(s)
Kenneth G. Kroenlein, Chris D. Muzny, Vladimir Diky, Andrei F. Kazakov, Robert D. Chirico, Joe W. Magee, Ilmutdin M. Abdulagatov, Michael D. Frenkel
ThermoData Engine (TDE) is the first full-scale software implementation of the dynamic data evaluation concept, as reported recently in this journal. In the present paper, we describe the development of a World Wide Web-based interface to TDE evaluations

Pressure Controlled Advanced Distillation Curve Analysis on Biodiesel Fuels

March 27, 2011
Author(s)
Bret Windom, Tara M. Lovestead, Thomas J. Bruno
Biodiesel fuel is an alternative fuel that can be derived from a number of renewable feedstocks including plant and vegetable oils, algae, animal fats, waste oils, etc. The fatty acid methyl ester (FAME) profile, and thus the resultant properties, of the

Pressure Controlled Advanced Distillation Curve Analysis on Alternative Fuels

March 14, 2011
Author(s)
Bret Windom, Tara M. Lovestead, Thomas J. Bruno
Biodiesel fuel is an alternative fuel that can be derived from a number of renewable feedstocks including plant and vegetable oils, algae, animal fats, waste oils, etc. The fatty acid methyl ester (FAME) profile, and thus the resultant properties, of the

Equations of State on Demand: Application for Surrogate Fuel Development

January 15, 2011
Author(s)
Marcia L. Huber, Thomas J. Bruno, Robert D. Chirico, Vladimir Diky, Andrei F. Kazakov, Eric W. Lemmon, Chris D. Muzny, Michael D. Frenkel
The NIST ThermoData Engine (TDE) is a large electronic database containing experimental data with detailed descriptions of relevant metadata and uncertainties that incorporates expert- system software to automatically generate dynamically evaluated data

Model for Transient Behavior of Pulse Tube Cryocooler

January 1, 2011
Author(s)
Gershon Grossman, Peter E. Bradley, Michael A. Lewis, Ray Radebaugh
This article describes an investigation of the transient behavior of a small (2.0 W at 85 K) Pulse Tube cryocooler operating at 120 Hz with an average pressure of 3.5 MPa, capable of relatively fast cool-down to about 60 K. In a series of experiments, the

Microstructure and hydrogen bonding in water-acetonitrile mixtures

November 19, 2010
Author(s)
Raymond D. Mountain
The connection between hydrogen bonding between water and acetonitrile in determining the microheterogeneity of the liquid mixture is examined using NPT molecular dynamics simulations. Mixtures for six, rigid, three-site models for acetonitrile and one

Thermochemistry of Imidazolium-Based Ionic Liquids:Experiment and First-Principles Calculations

September 16, 2010
Author(s)
Chris D. Muzny, Sergey P. Verevkin, Vladimir N. Emel'yanenko, Dzmitry H. Zaitsau, Andreas Heintz, Michael D. Frenkel
In this work the molar enthalpy of formation of the ionic liquid ethyl-methylimidazolium dicyanoamide in the gaseous phase [C2MIM][N(CN)2] was measured by means of combustion calorimetry and enthalpy of vaporization using transpiration. Available scarce

The Thermodynamic Properties of Propane: From p-r-T to the Equation of State

September 14, 2010
Author(s)
Mark O. McLinden, Eric W. Lemmon
The p-ρ-T behavior of high-purity (99.999%) propane was measured from 265 K to 500 K with pressures to 36 Mpa using a two-sinker densimeter. The measurements extend from low-density vapor to compressed liquid states, and the near-critical region was

Synthesis and Electronic Properties of the Misfit Layered Compound [(PbSe)1.00]1[MoSe2]1

September 1, 2010
Author(s)
Ian M. Anderson, Michael D. Anderson, Andrew A. Herzing, Colby Heideman, Raimar Rostek, David C. Johnson
An ultra-low thermal conductivity compound with the ideal formula [(PbSe)1.00]1[MoSe2]1 has been successfully crystallized across a range of compositions. The lattice parameters varied from 12.41 Å to 12.75 Å and the quality of the observed 00ℓ diffraction

Thermodynamic, Transport, and Chemical Properties of Reference JP-8

July 14, 2010
Author(s)
Thomas J. Bruno, Marcia L. Huber, Arno R. Laesecke, Eric W. Lemmon, Mark O. McLinden, Stephanie L. Outcalt, Richard A. Perkins, Beverly L. Smith, Jason A. Widegren
This report contains a summary of research conducted to develop a standard or accepted set of thermophysical properties for the aviation kerosene, JP-8. This report is the culmination of a three year effort that included the participation of most of the

Preface

July 11, 2010
Author(s)
Daniel G. Friend, Marcia L. Huber, Zhuomin M. Zhang
This is a preface to the special issues of the International Journal of Thermophysics that contains selected papers presented at the 17th Symposium on Thermophysical Properties, held in Boulder Colorado 21-26 June 2009.

Scientific Data at NIST: Current Practices and Vision

June 29, 2010
Author(s)
Daniel G. Friend
This is a Powerpoint presentation given as a talk at Scientific Data Management (SDM) for Government Agencies Workshop to Improve SDM, 29 June 2010,Washington, DC (USA.)
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