Package Modelica.Fluid.Examples.DrumBoiler.BaseClassesAdditional components for drum boiler example
Package Modelica.Fluid.Examples.DrumBoiler.BaseClasses
This icon shall be used for a package/library that contains base models and classes, respectively.
Extends from Modelica.Icons.BasesPackage (Icon for packages containing base classes).
| Name | Description |
|---|---|
EquilibriumDrumBoiler | Simple Evaporator with two states, see Astroem, Bell: Drum-boiler dynamics, Automatica 36, 2000, pp.363-378 |
Model Modelica.Fluid.Examples.DrumBoiler.BaseClasses.EquilibriumDrumBoiler
Model of a simple evaporator with two states. The model assumes two-phase equilibrium inside the component; saturated steam goes out of the steam outlet.
References: Åström, Bell: Drum-boiler dynamics, Automatica 36, 2000, pp.363-378
Extends from Modelica.Fluid.Interfaces.PartialTwoPort (Partial component with two ports).
| Type | Name | Default | Description |
|---|---|---|---|
Boolean | allowFlowReversal | system.allowFlowReversal | = true to allow flow reversal, false restricts to design direction (port_a -> port_b) |
Mass | m_D | mass of surrounding drum metal | |
SpecificHeatCapacity | cp_D | specific heat capacity of drum metal | |
Volume | V_t | total volume inside drum | |
AbsolutePressure | p_start | system.p_start | Start value of pressure |
Volume | V_l_start | 0.5 * V_t | Start value of liquid volumeStart value of volume |
Dynamics | energyDynamics | system.energyDynamics | Formulation of energy balance |
Dynamics | massDynamics | system.massDynamics | Formulation of mass balance |
| Type | Name | Description |
|---|---|---|
FluidPort_a | port_a | Fluid connector a (positive design flow direction is from port_a to port_b) |
FluidPort_b | port_b | Fluid connector b (positive design flow direction is from port_a to port_b) |
HeatPort_a | heatPort | |
output RealOutput | V | liquid volume |