| Boolean | useAverageTemperature (from DistributedHeatTransferFV) | true | = true to use average temperature for heat transfer |
| SI.Length | l (from DistributedHeatTransferFV) | L/(Nw) | Length of a single volume |
| Modelica.SIunits.PerUnit | kc (from DistributedHeatTransferFV) | 1 | Correction factor for heat transfer |
| SI.CoefficientOfHeatTransfer | gamma | | Constant heat transfer coefficient |
| Integer | Nv | Nf - 1 | Number of volumes on the fluid side |
| SI.Length | lw | L/Nw | Length of volumes on the wall side |
| SI.Length | lv | L/Nv | Length of volumes on the fluid side |
| SI.PerUnit[min(Nw, Nv),Nv] | Hv | getH(Nw, Nv) | Sums heat flows on fluid side onto coarser grid |
| SI.PerUnit[min(Nw, Nv),Nw] | Hw | getH(Nv, Nw) | Sums heat flows on wall side onto coarser grid |
| SI.PerUnit[max(Nw, Nv),min(Nw, Nv)] | G | transpose(getH(min(Nw, Nv), max(Nw, Nv))) | Maps temperatures on coarser grid onto finer grid |
| Set by Flow1D model |
| Integer | Nf (from DistributedHeatTransferFV) | 2 | Number of nodes on the fluid side |
| Integer | Nw (from DistributedHeatTransferFV) | Nf - 1 | Number of volumes on the wall side |
| Integer | Nt (from DistributedHeatTransferFV) | | Number of tubes in parallel |
| SI.Distance | L (from DistributedHeatTransferFV) | | Tube length |
| SI.Area | A (from DistributedHeatTransferFV) | | Cross-sectional area (single tube) |
| SI.Length | omega (from DistributedHeatTransferFV) | | Wet perimeter of heat transfer surface (single tube) |
| SI.Length | Dhyd (from DistributedHeatTransferFV) | | Hydraulic Diameter (single tube) |
| SI.MassFlowRate | wnom (from DistributedHeatTransferFV) | | Nominal mass flow rate (single tube) |
