region_dTReturn the current region (valid values: 1,2,3,4,5) in IF97, given density and temperature |
d |
Type: Density (kg/m³) Description: Density |
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T |
Type: Temperature (K) Description: Temperature (K) |
phase |
Default Value: 0 Type: Integer Description: Phase: 2 for two-phase, 1 for one phase, 0 if not known |
mode |
Default Value: 0 Type: Integer Description: Mode: 0 means check, otherwise assume region=mode |
region |
Type: Integer Description: (valid values: 1,2,3,4,5) in IF97 |
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