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