.TRANSFORM.Fluid.ClosureRelations.MassTransfer.Models.DistributedPipe_TraceMass_1D.PartialMassTransfer_setC.DiffusionCoeff .TRANSFORM.Fluid.ClosureRelations.MassTransfer.Models.DistributedPipe_TraceMass_1D.PartialMassTransfer_setC.DiffusionCoeffDiffusion Coefficient
model DiffusionCoeff = TRANSFORM.Media.ClosureModels.MassDiffusionCoefficient.Models.GenericCoefficient;