| SI.Acceleration | g_n (from PartialDistributedStaggeredFlow) | Modelica.Constants.g_n | Gravitational acceleration |
| Medium.ThermodynamicState[nFM + 1] | states (from PartialDistributedStaggeredFlow) | | State at volumes |
| SI.Velocity | vs (from PartialDistributedStaggeredFlow) | | Mean velocities of fluid flow |
| SI.Temperature | Ts_wall (from PartialDistributedStaggeredFlow) | | Mean wall temperatures of heat transfer surface |
| SI.Length[nFM + 1] | dimensions (from PartialDistributedStaggeredFlow) | | Characteristic dimensions (e.g. hydraulic diameter) |
| SI.Area[nFM + 1] | crossAreas (from PartialDistributedStaggeredFlow) | | Cross sectional area |
| SI.Length[nFM + 1] | perimeters (from PartialDistributedStaggeredFlow) | | Wetted perimeter |
| SI.Length[nFM] | dlengths (from PartialDistributedStaggeredFlow) | | Length of flow model |
| SI.Height | roughnesses (from PartialDistributedStaggeredFlow) | | Average height of surface asperities |
| SI.Length | dheights (from PartialDistributedStaggeredFlow) | | Height(states[2:nFM+1]) - Height(states[1:nFM]) |
| SI.MassFlowRate[nFM] | m_flows (from PartialDistributedStaggeredFlow) | | Mass flow rate across interfaces |
| SI.Momentum | Is (from PartialDistributedStaggeredFlow) | | Momenta of flow segments |
| SI.Force | Ibs (from PartialDistributedStaggeredFlow) | | Flow of momentum across boundaries and source/sink in volumes |
| SI.Temperature | Ts_fluid (from PartialDistributedStaggeredFlow) | Medium.temperature(states) | Fluid temperature |
| SI.ReynoldsNumber | Res (from PartialDistributedStaggeredFlow) | | Reynolds number |
| Units.NonDim[nFM] | Ks_ab (from PartialMomentumBalance) | fill(0, nFM) | Minor loss coefficients. Flow in direction a -> b |
| Units.NonDim[nFM] | Ks_ba (from PartialMomentumBalance) | fill(0, nFM) | Minor loss coefficients. Flow in direction b -> a |
| SI.Force | I_flows (from PartialMomentumBalance) | | Flow of momentum across boundaries |
| SI.Force | Fs_p (from PartialMomentumBalance) | | Pressure forces |
| SI.Force | Fs_fg (from PartialMomentumBalance) | | Friction and gravity forces |
| SI.Pressure | dps_fg (from PartialMomentumBalance) | | Pressure drop between states |
| SI.PressureDifference[nFM] | dps_K (from PartialMomentumBalance) | | Minor form-losses (K-loss) |
| Modelica.Blocks.Continuous.FirstOrder[nFM] | firstOrder_dps_K (from PartialMomentumBalance) | | |
| TRANSFORM.Media.BaseProperties1Phase[nFM + 1] | mediaProps | | Bulk fluid properties |
