.ThermalSeparation.FilmModel.StructuredPackedColumn.MS_mod.HeatTransferVapour .ThermalSeparation.FilmModel.StructuredPackedColumn.MS_mod.HeatTransferVapourmodel HeatTransferVapour = ThermalSeparation.HeatAndMassTransfer.InterfacialHeatTransferCoefficient.Vapour.Constant;