modelOpenTank
Extends from Modelica.Fluid.Vessels.OpenTank (Simple tank with inlet/outlet ports).
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| SI.Height | height (from OpenTank) | Height of tank | |
| SI.Area | crossArea (from OpenTank) | Area of tank | |
| SI.ReynoldsNumber | Re_turbulent (from PartialLumpedVessel) | 100 | cf. suddenExpansion |
| Assumptions › Ambient | |||
| Medium.AbsolutePressure | p_ambient (from OpenTank) | system.p_ambient | Tank surface pressure |
| Medium.Temperature | T_ambient (from OpenTank) | system.T_ambient | Tank surface Temperature |
| Initialization | |||
| SI.Height | level_start (from OpenTank) | 0.5*height | Start value of tank level |
| Medium.AbsolutePressure | p_start (from PartialLumpedVolume) | system.p_start | Start value of pressure |
| Boolean | use_T_start (from PartialLumpedVolume) | true | = true, use T_start, otherwise h_start |
| Medium.Temperature | T_start (from PartialLumpedVolume) | if use_T_start then system.T_start else Medium.temperature_phX(p_start, h_start, X_start) | Start value of temperature |
| Medium.SpecificEnthalpy | h_start (from PartialLumpedVolume) | if use_T_start then Medium.specificEnthalpy_pTX(p_start, T_start, X_start) else Medium.h_default | Start value of specific enthalpy |
| Medium.MassFraction[Medium.nX] | X_start (from PartialLumpedVolume) | Medium.X_default | Start value of mass fractions m_i/m |
| Medium.ExtraProperty[Medium.nC] | C_start (from PartialLumpedVolume) | Medium.C_default | Start value of trace substances |
| Assumptions › Dynamics | |||
| Types.Dynamics | energyDynamics (from PartialLumpedVolume) | system.energyDynamics | Formulation of energy balance |
| Types.Dynamics | massDynamics (from PartialLumpedVolume) | system.massDynamics | Formulation of mass balance |
| Types.Dynamics | substanceDynamics (from PartialLumpedVolume) | massDynamics | Formulation of substance balance |
| Types.Dynamics | traceDynamics (from PartialLumpedVolume) | massDynamics | Formulation of trace substance balance |
| General › Ports | |||
| Integer | nPorts (from PartialLumpedVessel) | 0 | Number of ports |
| Boolean | use_portsData (from PartialLumpedVessel) | true | = false to neglect pressure loss and kinetic energy |
| Modelica.Fluid.Vessels.BaseClasses.VesselPortsData | portsData (from PartialLumpedVessel) | Data of inlet/outlet ports | |
| Advanced › Port properties | |||
| Medium.MassFlowRate | m_flow_nominal (from PartialLumpedVessel) | if system.use_eps_Re then system.m_flow_nominal else 1e2*system.m_flow_small | Nominal value for mass flow rates in ports |
| SI.MassFlowRate | m_flow_small (from PartialLumpedVessel) | if system.use_eps_Re then system.eps_m_flow*m_flow_nominal else system.m_flow_small | Regularization range at zero mass flow rate |
| Boolean | use_Re (from PartialLumpedVessel) | system.use_eps_Re | = true, if turbulent region is defined by Re, otherwise by m_flow_small |
| Assumptions › Heat transfer | |||
| Boolean | use_HeatTransfer (from PartialLumpedVessel) | false | = true to use the HeatTransfer model |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| VesselFluidPorts_b[nPorts] | ports (from PartialLumpedVessel) | Fluid inlets and outlets | |
| Modelica.Thermal.HeatTransfer.Interfaces.HeatPort_a | heatPort (from PartialLumpedVessel) | ||
| Modelica.Blocks.Interfaces.RealOutput | levelOutput | ||
| Modelica.Blocks.Interfaces.RealOutput | temperatureOutput |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| SI.Height | level (from OpenTank) | Level height of tank | |
| SI.Volume | V (from OpenTank) | Actual tank volume | |
| Modelica.Fluid.System | system (from PartialLumpedVolume) | System properties | |
| SI.Volume | fluidVolume (from PartialLumpedVolume) | Volume | |
| Medium.BaseProperties | medium (from PartialLumpedVolume) | ||
| SI.Energy | U (from PartialLumpedVolume) | Internal energy of fluid | |
| SI.Mass | m (from PartialLumpedVolume) | Mass of fluid | |
| SI.Mass | mXi (from PartialLumpedVolume) | Masses of independent components in the fluid | |
| SI.Mass | mC (from PartialLumpedVolume) | Masses of trace substances in the fluid | |
| Medium.ExtraProperty[Medium.nC] | C (from PartialLumpedVolume) | Trace substance mixture content | |
| SI.MassFlowRate | mb_flow (from PartialLumpedVolume) | Mass flows across boundaries | |
| SI.MassFlowRate | mbXi_flow (from PartialLumpedVolume) | Substance mass flows across boundaries | |
| Medium.ExtraPropertyFlowRate | mbC_flow (from PartialLumpedVolume) | Trace substance mass flows across boundaries | |
| SI.EnthalpyFlowRate | Hb_flow (from PartialLumpedVolume) | Enthalpy flow across boundaries or energy source/sink | |
| SI.HeatFlowRate | Qb_flow (from PartialLumpedVolume) | Heat flow across boundaries or energy source/sink | |
| SI.Power | Wb_flow (from PartialLumpedVolume) | Work flow across boundaries or source term | |
| Medium.EnthalpyFlowRate[nPorts] | ports_H_flow (from PartialLumpedVessel) | ||
| Medium.MassFlowRate[nPorts,Medium.nXi] | ports_mXi_flow (from PartialLumpedVessel) | ||
| Medium.MassFlowRate | sum_ports_mXi_flow (from PartialLumpedVessel) | Substance mass flows through ports | |
| Medium.ExtraPropertyFlowRate[nPorts,Medium.nC] | ports_mC_flow (from PartialLumpedVessel) | ||
| Medium.ExtraPropertyFlowRate | sum_ports_mC_flow (from PartialLumpedVessel) | Trace substance mass flows through ports | |
| HeatTransfer | heatTransfer (from PartialLumpedVessel) | ||
| Medium.Density | portInDensities (from PartialLumpedVessel) | Densities of the fluid at the device boundary | |
| SI.Velocity | portVelocities (from PartialLumpedVessel) | Velocities of fluid flow at device boundary | |
| SI.EnergyFlowRate | ports_E_flow (from PartialLumpedVessel) | Flow of kinetic and potential energy at device boundary | |
| Real | s (from PartialLumpedVessel) | Curve parameters for port flows vs. port pressures; for further details see, Modelica Tutorial: Ideal switching devices | |
| Real | ports_penetration (from PartialLumpedVessel) | Penetration of port with fluid, depending on fluid level and port diameter | |
| SI.Area | portAreas (from PartialLumpedVessel) | {Modelica.Constants.pi/4*portsData_diameter[i]^2 for i in 1:nPorts} | |
| Medium.AbsolutePressure | vessel_ps_static (from PartialLumpedVessel) | Static pressures inside the vessel at the height of the corresponding ports, zero flow velocity | |
| SI.MassFlowRate | m_flow_turbulent (from PartialLumpedVessel) |