| Assumptions |
| Boolean | allowFlowReversal (from PartialTwoPort) | true | = false to simplify equations, assuming, but not enforcing, no flow reversal |
| Nominal condition |
| Modelica.Units.SI.MassFlowRate | m_flow_nominal (from PartialTwoPortInterface) | | Nominal mass flow rate |
| Modelica.Units.SI.PressureDifference | dp_nominal (from PartialHeatGenerator) | a*(m_flow_nominal/rho_default)^n | Pressure drop at nominal mass flow rate |
| Advanced |
| Modelica.Units.SI.MassFlowRate | m_flow_small (from PartialTwoPortInterface) | 1E-4*abs(m_flow_nominal) | Small mass flow rate for regularization of zero flow |
| Advanced › Diagnostics |
| Boolean | show_T (from PartialTwoPortInterface) | false | = true, if actual temperature at port is computed |
| Advanced › Sensor Properties |
| Modelica.Units.SI.Time | tau (from PartialHeatGenerator) | 1 | Time constant of the temperature sensors at nominal flow rate |
| Modelica.Blocks.Types.Init | initType (from PartialHeatGenerator) | Modelica.Blocks.Types.Init.InitialState | Type of initialization (InitialState and InitialOutput are identical) |
| Boolean | transferHeat (from PartialHeatGenerator) | false | If true, temperature T converges towards TAmb when no flow |
| Modelica.Units.SI.Temperature | TAmb (from PartialHeatGenerator) | Medium.T_default | Fixed ambient temperature for heat transfer |
| Modelica.Units.SI.Time | tauHeaTra (from PartialHeatGenerator) | 1200 | Time constant for heat transfer, default 20 minutes |
| Initialization |
| Modelica.Units.SI.Temperature | T_start (from PartialHeatGenerator) | Medium.T_default | Initial or guess value of output (= state) |
| Modelica.Units.SI.AbsolutePressure | dp_start (from PartialHeatGenerator) | 0 | Guess value of dp = port_a.p - port_b.p |
| Modelica.Units.SI.MassFlowRate | m_flow_start (from PartialHeatGenerator) | 0 | Guess value of m_flow = port_a.m_flow |
| Modelica.Units.SI.AbsolutePressure | p_start (from PartialHeatGenerator) | Medium.p_default | Start value of pressure |
| Advanced › Pressure drop |
| Boolean | from_dp (from PartialHeatGenerator) | false | = true, use m_flow = f(dp) else dp = f(m_flow) |
| Boolean | linearized (from PartialHeatGenerator) | false | = true, use linear relation between m_flow and dp for any flow rate |
| Real | deltaM (from PartialHeatGenerator) | 0.3 | Fraction of nominal mass flow rate where transition to turbulent occurs |
| Real | a (from PartialHeatGenerator) | | Coefficient of volume flow rate dependent nominal pressure drop, dp_nominal=a*V_flow_nominal^n. |
| Real | n (from PartialHeatGenerator) | 2 | Exponent of volume flow rate dependent nominal pressure drop, dp_nominal=a*V_flow_nominal^n. |
| Modelica.Units.SI.Density | rho_default (from PartialHeatGenerator) | Medium.density_pTX(Medium.p_default, Medium.T_default, Medium.X_default) | Density used for parameterization of pressure curve |
| Dynamics |
| Modelica.Fluid.Types.Dynamics | energyDynamics (from PartialHeatGenerator) | Modelica.Fluid.Types.Dynamics.DynamicFreeInitial | Type of energy balance: dynamic (3 initialization options) or steady state |
| General › Boiler type |
| AixLib.DataBase.Boiler.General.BoilerTwoPointBaseDataDefinition | paramBoiler | | Parameters for Boiler |
| Real | KR | 1 | Gain of Boiler heater |
| Modelica.Units.SI.Time | TN | 0.1 | Time Constant of boiler heater (T>0 required) |
| Modelica.Units.SI.Time | riseTime | 30 | Rise/Fall time for step input(T>0 required) |
| Heating curves |
| AixLib.DataBase.Boiler.DayNightMode.HeatingCurvesDayNightBaseDataDefinition | paramHC | | Parameters for heating curve |
| External Control |
| Real | declination | 1.1 | Declination |
| Modelica.Units.SI.TemperatureDifference | Tdelta_Max | 2 | Difference from set flow temperature over which boiler stops |
| Modelica.Units.SI.TemperatureDifference | Tdelta_Min | 2 | Difference from set flow temperature under which boiler starts |
| Modelica.Units.SI.Time | Fb | 3600 | Period of time for increased set temperature |
| Real | FA | 0.2 | Increment for increased set temperature |
ExtControl