The Thermodynamics Of Thorium Oxygen And Uranium Oxygen Systems PDF Download
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Author | : Stanley Abramowitz |
Publisher | : |
Total Pages | : 30 |
Release | : 1975 |
Genre | : |
ISBN | : |
Download The Thermodynamics of Thorium-Oxygen and Uranium-Oxygen Systems Book in PDF, ePub and Kindle
The vapor pressure data for the uranium-oxygen and thorium-oxygen systems have been reviewed. Free energies of formation for the species UO, UO2, ThO, and ThO2 have been chosen. Tables of thermodynamic functions for these species are presented.
Author | : Carl Wagner |
Publisher | : |
Total Pages | : 40 |
Release | : 1955 |
Genre | : Oxygen |
ISBN | : |
Download Thermodynamics of the System Uranium-oxygen Book in PDF, ePub and Kindle
Author | : Jacob Wesley McMurray |
Publisher | : |
Total Pages | : 216 |
Release | : 2014 |
Genre | : Gadolinium |
ISBN | : |
Download Thermodynamic Modeling of Uranium and Oxygen Containing Ternary Systems with Gadolinium, Lanthanum, and Thorium Book in PDF, ePub and Kindle
The CALPHAD method is used to assess the thermodynamic properties and phase relations in the U-M-O system where M = Gd, La, and Th. A compound energy formalism (CEF) model for fluorite UO2±x̳ [urania] is extended to represent the complex U1−y̳̳My̳O2±x̳ [urania solid solution] phases. The lattice stabilities for fictive GdO2 [gadolinia] and LaO2 [lanthana] fluorite structure compounds are calculated from density functional theory (DFT) for use in the CEF for U1−y̳̳My̳O2±x̳ [urania solid solution phase] while U6+ [uranium 6 plus cation] is introduced into the cation sublattice of the CEF for U1−y̳̳My̳O2±x̳ [urania solid solution phase] to better reproduce phase relations in U-Ln-O systems at high fixed trivalent Ln [lanthanide] compositions. Tentative Gibbs functions and CEF representations for the fluorite derivative rhombohedral phases were developed and the two-sublattice liquid model (TSLM) was used to describe the melt. Equilibrium oxygen pressures over U1−y̳̳Thy̳O2±x̳ [urania thoria solid solution] were obtained from thermogravimetric measurements and used together with those reported in the literature, phase relations, and other experimentally determined thermodynamic values to fit adjustable parameters of the CEF and TSLM along with the standard state enthalpy and entropy of the Gibbs functions representing the stoichiometric compounds. The models can be extended to include other actinides and fission products to develop higher order multi-component system assessments to support further experimental efforts and the development of multi-physics fuel performance simulation codes.
Author | : H. R. Hoekstra |
Publisher | : |
Total Pages | : 10 |
Release | : 1950 |
Genre | : Uranium oxides |
ISBN | : |
Download Studies on the Uranium-oxygen System Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 86 |
Release | : 1967 |
Genre | : |
ISBN | : |
Download ˜Theœ Plutonium-Oxygen and Uranium-plutoniumoxygen Systems Book in PDF, ePub and Kindle
Author | : C. F. Miller |
Publisher | : |
Total Pages | : 72 |
Release | : 1961 |
Genre | : Nuclear energy |
ISBN | : |
Download Chemistry of Uranium-oxygen Systems Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 86 |
Release | : 1967 |
Genre | : |
ISBN | : |
Download The plutonium-oxygen and uranium-plutonium-oxygen systems: a thermochemical assessment Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 86 |
Release | : 1967 |
Genre | : Plutonium oxides |
ISBN | : |
Download The Plutonium Oxygen and Uranium Plutonium Oxygen Systems Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 86 |
Release | : 1967 |
Genre | : |
ISBN | : |
Download The Plutonium-oxygen and Uranium-plutonium-oxygen Systems Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 147 |
Release | : 1967 |
Genre | : |
ISBN | : |
Download The Plutonium-oxigen and Uranium-plutonium-oxygen Systems: a Thermochemical Assessment Book in PDF, ePub and Kindle