.ThermalSeparation.FilmModel.StructuredPackedColumn.MS_film.MassTransferCoeffLiq .ThermalSeparation.FilmModel.StructuredPackedColumn.MS_film.MassTransferCoeffLiqmodel MassTransferCoeffLiq = ThermalSeparation.HeatAndMassTransfer.StructuredPackedColumn.Liquid.RochaStructured;