modelTestEvaporatorTemp
Extends from Water.BaseClasses.EvaporatorBase (Basic interface for 1-dimensional water/steam fluid flow models).
Information
The moving boundary evaporator model is still incomplete, and it fails at t = 245.Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Integer | N (from EvaporatorBase) | 2 | Number of nodes for thermal variables |
| Integer | Nt (from EvaporatorBase) | 1 | Number of tubes in parallel |
| SI.Distance | L (from EvaporatorBase) | Tube length | |
| SI.Position | H (from EvaporatorBase) | 0 | Elevation of outlet over inlet |
| SI.Area | A (from EvaporatorBase) | Cross-sectional area (single tube) | |
| SI.Length | omega (from EvaporatorBase) | Perimeter of heat transfer surface (single tube) | |
| SI.Length | Dhyd (from EvaporatorBase) | Hydraulic Diameter (single tube) | |
| SI.MassFlowRate | wnom (from EvaporatorBase) | Nominal mass flowrate (total) | |
| Integer | FFtype (from EvaporatorBase) | Friction Factor Type (0: Kf; 1:OpPoint, 2:Cfnom, 3:Colebrook) | |
| Real | Kfnom (from EvaporatorBase) | 0 | Nominal hydraulic resistance coefficient |
| SI.Pressure | dpnom (from EvaporatorBase) | 0 | Nominal pressure drop (friction term only!) |
| Medium.Density | rhonom (from EvaporatorBase) | 0 | Nominal inlet density |
| SI.PerUnit | Cfnom (from EvaporatorBase) | 0 | Nominal Fanning friction factor |
| SI.PerUnit | e (from EvaporatorBase) | 0 | Relative roughness (ratio roughness/diameter) |
| Boolean | DynamicMomentum (from EvaporatorBase) | false | Inertial phenomena accounted for |
| Integer | HydraulicCapacitance (from EvaporatorBase) | 2 | 1: Upstream, 2: Downstream |
| SI.Length | csilstart (from EvaporatorBase) | Liquid boundary start position | |
| SI.Length | csivstart (from EvaporatorBase) | Vapour boundary start position | |
| Medium.SpecificEnthalpy | hstartin (from EvaporatorBase) | 1e5 | Inlet enthalpy start value |
| Medium.SpecificEnthalpy | hstartout (from EvaporatorBase) | 1e5 | Outlet enthalpy start value |
| Medium.AbsolutePressure | pstartin (from EvaporatorBase) | 1e5 | Inlet pressure start value |
| Medium.AbsolutePressure | pstartout (from EvaporatorBase) | 1e5 | Outlet pressure start value |
| Real | wnf (from EvaporatorBase) | 0.01 | Fraction of nominal flow rate at which linear friction equals turbulent friction |
| SI.PerUnit | Kfc (from EvaporatorBase) | 1 | Friction factor correction coefficient |
| SI.Acceleration | g (from EvaporatorBase) | Modelica.Constants.g_n | |
| Real | K |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| Medium.BaseProperties | fluid_in (from EvaporatorBase) | Fluid properties at the inlet | |
| Medium.BaseProperties | fluid_out (from EvaporatorBase) | Fluid properties at the outlet | |
| Medium.SaturationProperties | sat (from EvaporatorBase) | Saturation properties | |
| Medium.AbsolutePressure | p (from EvaporatorBase) | ||
| Medium.MassFlowRate | win (from EvaporatorBase) | Inlet flow rate | |
| Medium.MassFlowRate | wlb (from EvaporatorBase) | Flowrate from liquid volume to boiling volume | |
| Medium.MassFlowRate | wbv (from EvaporatorBase) | Flowrate from boiling volume to vapour volume | |
| Medium.MassFlowRate | wout (from EvaporatorBase) | Outlet flow rate | |
| Medium.SpecificEnthalpy | hin (from EvaporatorBase) | Inlet specific enthalpy | |
| Medium.SpecificEnthalpy | hout (from EvaporatorBase) | Outlet specific enthalpy | |
| Medium.SpecificEnthalpy | hls (from EvaporatorBase) | Saturated liquid specific enthalpy | |
| Medium.SpecificEnthalpy | hvs (from EvaporatorBase) | Saturated vapour specific enthalpy | |
| Medium.SpecificEnthalpy | hlb (from EvaporatorBase) | ||
| Medium.SpecificEnthalpy | hbv (from EvaporatorBase) | ||
| Medium.Density | rhoin (from EvaporatorBase) | Inlet density | |
| Medium.Density | rhoout (from EvaporatorBase) | Outlet density | |
| Medium.Density | rhols (from EvaporatorBase) | Saturated liquid density | |
| Medium.Density | rhovs (from EvaporatorBase) | Saturated vapour density | |
| SI.Volume | Vl (from EvaporatorBase) | Liquid volume | |
| SI.Volume | Vb (from EvaporatorBase) | Boiling volume | |
| SI.Volume | Vv (from EvaporatorBase) | Vapour volume | |
| SI.Mass | Ml (from EvaporatorBase) | Mass of the liquid volume | |
| SI.Mass | Mb (from EvaporatorBase) | Mass of the boiling volume | |
| SI.Mass | Mbl (from EvaporatorBase) | Mass of liquid in the boiling volume | |
| SI.Mass | Mbv (from EvaporatorBase) | Mass of vapour in the boiling volume | |
| SI.Mass | Mv (from EvaporatorBase) | Mass of the vapour volume | |
| SI.Energy | El (from EvaporatorBase) | Energy of the liquid volume | |
| SI.Energy | Eb (from EvaporatorBase) | Energy of the boiling volume | |
| SI.Energy | Ev (from EvaporatorBase) | Energy of the vapour volume | |
| SI.Power | Q (from EvaporatorBase) | Total power balance | |
| Medium.MassFlowRate | M_flow (from EvaporatorBase) | Total mass flow balance | |
| SI.Power | Ql (from EvaporatorBase) | Thermal power to the liquid volume | |
| SI.Power | Qb (from EvaporatorBase) | Thermal power to the boiling volume | |
| SI.Power | Qv (from EvaporatorBase) | Thermal power to the vapour volume | |
| SI.Length | csil (from EvaporatorBase) | Abscissa of liqid boundary | |
| SI.Length | csiv (from EvaporatorBase) | Abscissa of vapour boundary | |
| SI.Time | Tr (from EvaporatorBase) | Residence time | |
| SI.Temperature | Text | External temperature |