EquilibriumDrumBoiler
Additional components for drum boiler example
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 |
Modelica.Fluid.Examples.DrumBoiler.BaseClasses.EquilibriumDrumBoilerSimple Evaporator with two states, see Astroem, Bell: Drum-boiler dynamics, Automatica 36, 2000, pp.363-378
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).
| Name | Description |
|---|---|
| replaceable package Medium | Medium in the component |
| m_D | mass of surrounding drum metal [kg] |
| cp_D | specific heat capacity of drum metal [J/(kg.K)] |
| V_t | total volume inside drum [m3] |
| Assumptions | |
| allowFlowReversal | = true to allow flow reversal, false restricts to design direction (port_a -> port_b) |
| Dynamics | |
| energyDynamics | Formulation of energy balance |
| massDynamics | Formulation of mass balance |
| Initialization | |
| p_start | Start value of pressure [Pa] |
| V_l_start | Start value of liquid volumeStart value of volume [m3] |
| Name | Description |
|---|---|
| replaceable package Medium | Medium in the component |
| port_a | Fluid connector a (positive design flow direction is from port_a to port_b) |
| port_b | Fluid connector b (positive design flow direction is from port_a to port_b) |
| heatPort | |
| V | liquid volume [m3] |