.ThermalSeparation.FilmModel.StructuredPackedColumn.MS_film.HeatTransferLiquid .ThermalSeparation.FilmModel.StructuredPackedColumn.MS_film.HeatTransferLiquidmodel HeatTransferLiquid = ThermalSeparation.HeatAndMassTransfer.InterfacialHeatTransferCoefficient.Liquid.Constant;