Cover: The thermodynamics of the magnesia/magnesium-oxygen vapor system

The thermodynamics of the magnesia/magnesium-oxygen vapor system

Published 1966

by Firmin Joseph Krieger

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An investigation of the thermodynamics of magnesia, Mg0, over a range of temperatures up to 6000 degrees K and pressures up to 10 atmospheres, for consideration in the study of ablative materials for reentry bodies. Two sets of equilibrium composition equations are used--one representing a pure gas phase, the other a heterogeneous system of gas and condensed (solid or liquid) magnesia. The gas phase of the heterogeneous chemical system, like the homogeneous gas phase, comprises seven gaseous magnesium-oxygen species. The results of the computational program are presented in both tabular and graphic form. The latter is conventional Mollier diagram in which specific enthalpy is plotted against specific entropy, with cross plots of temperature, pressure, and molecular weight or moles of condensed magnesia.

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