| sv_pVapour specific entropy on the boundary between regions 4 and 3 or 2 |  | 
| p | Type: Pressure (Pa) Description: Pressure | 
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| s | Type: SpecificEntropy (J/(kg·K)) Description: Specific entropy | 
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| Modelica.Media.Water.IF97_Utilities Compute the saturated vapour specific s(p) |