modelSteamPipe_N_20
Extends from Models.SteamPipe (Detailed thermal advection model with thermal expansion effects using IF97 water vapour).
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Integer | N (from SteamPipe) | 10 | Number of nodes |
| SI.Volume | Vtot (from SteamPipe) | 1 | Total volume |
| Real | w_nom (from SteamPipe) | 2 | Nominal mass flow rate |
| Real | dp_nom (from SteamPipe) | 1e5 | Nominal total pressure loss at full flow rate |
| Real | p_nom (from SteamPipe) | 10e5 | Nominal pressure at outlet |
| Real | h_nom (from SteamPipe) | 3.1e6 | Nominal specific enthalpy |
| SI.Pressure | p_start (from SteamPipe) | p_nom | Initial value of pressure states |
| SI.SpecificEnthalpy | h_start (from SteamPipe) | h_nom | Initial value of enthalpy states |
| Real | kf (from SteamPipe) | w_nom/(dp_nom/N) | Friction coefficient |
| SI.Volume | V (from SteamPipe) | Vtot/N | Total volume |
| SI.Density | rho_av (from SteamPipe) | Medium.density_ph(p_nom + dp_nom/2, h_nom) | Average density |
| SI.Time | tau (from SteamPipe) | Vtot*rho_av/w_nom | Estimated transport delay at nominal conditions |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| SI.MassFlowRate | w_in_pipe (from SteamPipe) | 0 + (if time > 1 then w_nom else 0) | Inlet mass flow rate |
| SI.SpecificEnthalpy | h_in_pipe (from SteamPipe) | h_nom + (if time > 10 then 5000 else 0) | Inlet specific enthalpy |
| SI.Mass[N] | M (from SteamPipe) | Fluid mass within each volume | |
| SI.Energy[N] | E (from SteamPipe) | Fluid internal energy within each volume | |
| SI.MassFlowRate[N] | w_in (from SteamPipe) | Inlet flow rate of each volume | |
| SI.MassFlowRate[N] | w_out (from SteamPipe) | Outlet flow rate of each volume | |
| SI.Pressure[N] | p (from SteamPipe) | Pressure states | |
| SI.SpecificEnthalpy[N] | h (from SteamPipe) | Specific enthalpy states | |
| SI.SpecificEnthalpy[N] | h_in (from SteamPipe) | Inlet specific enthalpy of each volume | |
| SI.SpecificEnthalpy[N] | h_out (from SteamPipe) | Outlet specific enthalpy of each volume | |
| SI.Density[N] | rho (from SteamPipe) | Volume density | |
| Medium.ThermodynamicState[N] | state (from SteamPipe) | Volume thermodynamic state | |
| SI.Pressure | p_in_pipe (from SteamPipe) | Inlet pressure | |
| SI.Pressure | p_out_pipe (from SteamPipe) | Outlet pressure | |
| SI.MassFlowRate | w_out_pipe (from SteamPipe) | Inlet flow rate | |
| SI.SpecificEnthalpy | h_out_pipe (from SteamPipe) | Outlet flow rate |