modelDynamicOnePhaseFlowPipe_Oil
Dynamic one-phase flow pipe Oil
Information
## Copyright © EDF 2002 - 2026 ## ThermoSysPro Version 4.2
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Units.SI.Length | L | 10. | Pipe length |
| Units.SI.Diameter | D | 0.2 | Internal pipe diameter |
| Real | rugosrel | 0.0007 | Pipe relative roughness |
| Integer | ntubes | 1 | Number of pipes in parallel |
| Units.SI.Position | z1 | 0 | Pipe inlet altitude |
| Units.SI.Position | z2 | 0 | Pipe outlet altitude |
| Real | dpfCorr | 1.00 | Corrective term for the friction pressure loss (dpf) for each node |
| Real | hcCorr | 1.00 | Corrective term for the heat exchange coefficient (hc) for each node |
| Integer | Ns | 10 | Number of segments |
| Units.SI.Temperature[Ns] | T0 | fill(290, Ns) | Initial fluid temperature (active if steady_state = false and option_temperature = 1) |
| Units.SI.SpecificEnthalpy[Ns] | h0 | fill(1e5, Ns) | Initial fluid specific enthalpy (active if steady_state = false and option_temperature = 2) |
| Boolean | advection | false | true: momentum balance equation with advection terme - false: without advection terme |
| Boolean | steady_state | true | true: start from steady state - false: start from T0 (if option_temperature=1) or h0 (if option_temperature=2) |
| Integer | option_temperature | 1 | 1:initial temperature is fixed - 2:initial specific enthalpy is fixed (active if steady_state = false) |
| Boolean | continuous_flow_reversal | true | true: continuous flow reversal - false: discontinuous flow reversal |
| Integer | mode | 0 | IF97 region. 1:liquid - 2:steam - 4:saturation line - 0:automatic |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| WaterSteam.Connectors.FluidInlet | C1 | ||
| WaterSteam.Connectors.FluidOutlet | C2 | ||
| ThermoSysPro.Thermal.Connectors.ThermalPort[Ns] | CTh |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| Units.SI.AbsolutePressure[N + 1] | P | Fluid pressure in node i | |
| Units.SI.MassFlowRate[N] | Q | Mass flow rate in node i | |
| Units.SI.SpecificEnthalpy[N + 1] | h | Fluid specific enthalpy in node i | |
| Units.SI.SpecificEnthalpy[N] | hb | Fluid specific enthalpy at the boundary of node i | |
| Units.SI.Density[N - 1] | rho1 | Fluid density in thermal node i | |
| Units.SI.Density[N] | rho2 | Fluid density in hydraulic node i | |
| Units.SI.Density[N + 1] | rhoc | Fluid density at the boudary of node i | |
| Units.SI.Power[N - 1] | dW1 | Thermal power exchanged on the water side for node i | |
| Units.SI.Power | W1t | Total power exchanged on the water side | |
| Units.SI.Temperature[N - 1] | Tp | Wall temperature in node i | |
| Units.SI.CoefficientOfHeatTransfer[N - 1] | hc | Fluid heat exchange coefficient in node i | |
| Units.SI.ReynoldsNumber[N - 1] | Re1 | Fluid Reynolds number in thermal node i | |
| Units.SI.ReynoldsNumber[N] | Re2 | Fluid Reynolds number in hydraulic node i | |
| Real[N - 1] | Pr | Fluid Prandtl number in node i | |
| Units.SI.ThermalConductivity[N - 1] | k | Fluid thermal conductivity in node i | |
| Units.SI.DynamicViscosity[N - 1] | mu1 | Fluid dynamic viscosity in thermal node i | |
| Units.SI.DynamicViscosity[N] | mu2 | Fluid dynamic viscosity in hydraulic node i | |
| Units.SI.SpecificHeatCapacity[N - 1] | cp | Fluid specific heat capacity | |
| Units.SI.Temperature[N - 1] | T1 | Fluid temperature in thermal node i | |
| Units.SI.Temperature[N] | T2 | Fluid temperature in hydraulic node i | |
| ThermoSysPro.Units.SI.PressureDifference[N] | dpa | Advection term for the mass balance equation in node i | |
| ThermoSysPro.Units.SI.PressureDifference[N] | dpf | Friction pressure loss in node i | |
| ThermoSysPro.Units.SI.PressureDifference[N] | dpg | Gravity pressure loss in node i | |
| Real[N] | khi | Hydraulic pressure loss coefficient in node i | |
| Real[N] | lambda | Friction pressure loss coefficient in node i | |
| Units.SI.Area | Stot | Internal heat exchange area |
Revisions
Author Baligh El Hefni