.ThermalSeparation.FilmModel.RandomPackedColumn.EnhancementMS.HeatTransferLiquid .ThermalSeparation.FilmModel.RandomPackedColumn.EnhancementMS.HeatTransferLiquidmodel HeatTransferLiquid = ThermalSeparation.HeatAndMassTransfer.InterfacialHeatTransferCoefficient.Liquid.Constant;