.TILMedia.BaseClasses.PartialVLEFluidFunctions.vapourSpecificEntropy_psxi .TILMedia.BaseClasses.PartialVLEFluidFunctions.vapourSpecificEntropy_psxipartial function vapourSpecificEntropy_psxi = TILMedia.BaseClasses.PartialVLEFluidFunctionPrototypes.vapourSpecificEntropy_psxi;