| Medium.ThermodynamicState[nMT] | states | | Thermodynamic state of fluid |
| SI.Temperature[nMT,nSurfaces] | Ts_wall | | Wall temperature |
| SIadd.ExtraProperty[nMT,Medium.nC] | CsM_fluid | | Fluid trace substance mass fraction |
| SI.Velocity[nMT] | vs | | Fluid Velocity |
| SI.Diameter[nMT] | dimensions | | Characteristic dimension (e.g. hydraulic diameter) |
| SI.Area[nMT] | crossAreas | | Cross sectional flow area |
| SI.Length[nMT] | dlengths | | Characteristic length of transfer segment |
| SI.Height[nMT] | roughnesses | | Average height of surface asperities |
| SI.Area[nMT,nSurfaces] | surfaceAreas | | Surface area for transfer |
| DiffusionCoeff[nMT] | diffusionCoeff | | Fluid Diffusion Coefficient |
| SI.Temperature[nMT] | Ts_fluid | Medium.temperature(states) | Fluid temperature |
| SI.Concentration[nMT,nC] | Cs_fluid | | Fluid trace substance concentration |
| SI.Concentration[nMT,nSurfaces,nC] | Cs_wall | massPorts.C | Wall trace substance concentration |
| SI.MassFlowRate[nMT] | m_flows | | Fluid mass flow rate |
| SI.ReynoldsNumber[nMT] | Res | | Reynolds number |
| SI.SchmidtNumber[nMT,nC] | Scs | | Schmidt number |
| SI.Length[nMT] | xs | | Position of local mass transfer calculation |
| Units.CoefficientOfMassTransfer[nMT,nSurfaces,nC] | alphasM | | Coefficient of mass transfer |
| Units.SherwoodNumber[nMT,nSurfaces,nC] | Shs | | Sherwood number |
| SI.MolarFlowRate[nMT,nSurfaces,nC] | nC_flows | massPorts.n_flow/nParallel | Molar flow rate |
| SIadd.ExtraPropertyFlowRate[nMT,nSurfaces,Medium.nC] | mC_flows | | Mass flow rate |