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Search Publications by: Marcia L. Huber (Fed)

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Displaying 126 - 150 of 174

Model for Thermodynamic Properties of a Biodiesel Fuel

June 12, 2009
Author(s)
Marcia L. Huber, Eric W. Lemmon, Andrei F. Kazakov, Lisa S. Ott, Thomas J. Bruno
We present an equation-of-state approach to modeling the thermodynamic properties of a biodiesel fuel. Preliminary Helmholtz-type equations of state were developed with limited experimental data for five fatty acid methyl esters (FAMEs) that are primary

New International Formulation for the Viscosity of H2O

April 21, 2009
Author(s)
Marcia L. Huber, Richard A. Perkins, Arno R. Laesecke, Daniel G. Friend, Jan V. Sengers, Marc J. Assael, Ifigenia N. Metaxa, Eckhard Vogel, Radim Mares, Kiyoshi Miyagawa
The International Association for the Properties of Water and Steam (IAPWS) encouraged an extensive research effort to update the IAPS Formulation 1985 for the Viscosity of Ordinary Water Substance, leading to the adoption of a Release on the IAPWS

Viscosity of H20 in the Critical Region

April 15, 2009
Author(s)
Jan V. Sengers, Richard A. Perkins, Marcia L. Huber, Daniel G. Friend
It has been well established that thermodynamic and transport properties of fluids exhibit singular behavior near the critical point. In this paper we review the theoretical predictions for the enhancement of the viscosity near the critical point. It is

Analysis of Thermodynamic Processes Involving Hydrogen

March 5, 2008
Author(s)
Jiann C. Yang, Marcia L. Huber
The effect of thermal exposures on several thermodynamic processes involving the storage and use of hydrogen has been examined using the NIST REFPROP database. The thermal environment could be the result of a fire or other thermal events. The thermodynamic

A Step Towards CO2-Neutral Aviation

November 20, 2007
Author(s)
Andreja Brankovic, Robert C. Ryder, Robert C. Hendricks, Marcia L. Huber
An approximation method for evaluation of the caloric equations used in combustion chemistry simulations is described. The method is applied to generate the specific heat, static enthalpy, and Gibb's free energy equations for fuel mixtures of interest to

Current status of transport properties of hydrogen

August 21, 2007
Author(s)
Jacob W. Leachman, Bryce Jacobson, Steven Penoncello, Marcia L. Huber
This paper contains an analysis of transport properties of hydrogen, particularly thermal conductivity and viscosity, which are needed for many applications in system analysis and design. It includes a review of the current standard transport property

Thermophysical Properties Measurements and Models for Rocket Propellant RP-1: Phase I

February 1, 2007
Author(s)
Joe W. Magee, Thomas J. Bruno, Daniel G. Friend, Marcia L. Huber, Arno D. Laesecke, Eric Lemmon, Mark O. McLinden, Richard A. Perkins, J?rg Baranski, Jason A. Widegren
Accurate knowledge of thermophysical properties is a prerequisite to design efficient and cost-effective rocket engine systems that use the kerosene rocket propellant designated RP-1. A robust properties model that is based on reliable experimental

Correlation for the Vapor Pressure of Mercury

September 12, 2006
Author(s)
Marcia L. Huber, Arno D. Laesecke, Daniel G. Friend
We present a new correlation for the vapor pressure of mercury that is valid from the triple point to the critical point. The equation is a Wagner-type form, where the terms of the equation are selected using a simulated annealing optimization algorithm

Thermochemical and Thermophysical Properties of JP-10

June 1, 2006
Author(s)
Thomas J. Bruno, Marcia L. Huber, Arno D. Laesecke, Eric Lemmon, Richard A. Perkins
This report describes measurement and modeling efforts performed on the missile fuel, JP-10. Measurements* include chemical analysis, thermal decomposition kinetics, density, viscosity, speed of sound, thermal conductivity and vapor pressure (distillation

Standardized Equation for Hydrogen Gas Densities for Fuel Consumption Applications

April 3, 2006
Author(s)
Eric Lemmon, Marcia L. Huber, Daniel G. Friend, Carl Paulina
One of three currently recognized methods for evaluating the consumption of gaseous hydrogen fuel in vehicle applications involves the determination of the equilibrium temperature and pressure of the gas before and after usage within a storage tank of

The Vapor Pressure of Mercury

April 1, 2006
Author(s)
Marcia L. Huber, Arno D. Laesecke, Daniel G. Friend
In this report, we review the available measurements of the vapor pressure of mercury and develop a new correlation for the vapor pressure of mercury that is valid from the triple point to the critical point. The equation is a Wagner-type form where the
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