WOLFRAM SYSTEM MODELER
    surfaceTensionSurface tension in region 4 between steam and water  | 
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SystemModel["Modelica.Media.Water.IF97_Utilities.BaseIF97.Transport.surfaceTension"]

| T | 
         Type: Temperature (K) Description: Temperature (K)  | 
    
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| sigma | 
         Type: SurfaceTension (N/m) Description: Surface tension in SI units  | 
    
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         Modelica.Media.Water.IF97_Utilities Compute sigma(T) at saturation T  |