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T_Triple is a function that returns the triple point temperature of the specified fluid.  The returned value depends on the unit setting made in the Unit System dialog.   The fluid may be a fluid name or a string variable.  


The triple point provides an estimate of the melting temperature, since the pressure dependence of the solid-liquid phase transition is small.  The enthalpy change upon melting is provided for most of the substances in the data base with function ENTHALPY_FUSION.


Example: Tt=T_Triple(R134a)



Thermophysical Property Functions