KNOWN ISSUE: Semi-perfect gas option in Vista CCD

In Vista_CCD, the semi-perfect gas option is disabled.

The model fails to work correctly.

If the ideal gas option is not sufficient for the case, the real gas option is still available. The intention of the semi-perfect gas option was to provide a more accurate solution than the ideal gas option provides for air and nitrogen, by allowing the ratio of specific heats to vary with temperature. The semi-perfect gas option is typically only useful when working with air compressors of very high pressure ratio, for example 9:1.

ANSYS Release 14.0.

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