Physics – Fluid Dynamics
Scientific paper
Jun 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991pggp.rept...32k&link_type=abstract
In NASA, Washington, Reports of Planetary Geology and Geophysics Program, 1990 p 32 (SEE N92-10728 01-91)
Physics
Fluid Dynamics
Earth (Planet), Fluid Dynamics, Io, Mars (Planet), Multiphase Flow, Phase Diagrams, Planetary Composition, Volcanoes, Carbon Dioxide, Chemical Composition, Equations Of State, Ideal Gas, Planetary Atmospheres, Sulfur Dioxides, Thermodynamics, Volcanology, Water
Scientific paper
Data was compiled on H2O, CO2, S, and SO2 and it was analyzed by various techniques to prepare phase diagrams relevant to conditions on the Earth, Io, Mars, and other planets. The use of Cray models for volcanic eruptions was examined. Attempts are being made to develop equations of state of the compounds listed above to be compatible with the Cray code so that they can be called as subroutines for the volcanic models. This is a major project, as the current code uses only the equation of state for a perfect gas, and requires that the atmosphere be the same composition as the volcanic gas. The analysis of the thermodynamic data is time consuming, and was complicated by changes from a VAX/VMS system to Macintosh's, Crays using CTSS, Crays using Unicos, and Sun workstations.
Kieffer Susan Werner
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