modelHopper_L2
Model for a hopper section of a combustion chamber
Extends from ClaRa.Basics.Icons.Hopper, ClaRa_Obsolete.Basics.Icons.Obsolete_v1_3 (This model will be not longer supported than Version 1.5!), ClaRa_Obsolete.Components.Furnace.BaseClasses.HopperBase.
Information
Model description: A nonstationary model for the hopper furnace section
Contact: Lasse Nielsen, TLK-Thermo GmbH
FEATURES
- This model uses TILMedia
- Nonstationary mass and energy balances are used
- Different heat transfer correlations can be chosen
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Real | T_0 (from HopperBase) | 298.15 | Reference temperature |
| Media Definitions | |||
| ClaRa.Basics.Media.Fuel.PartialFuel | fuelType (from HopperBase) | simCenter.fuelModel1 | Fuel elemental composition used for combustion |
| ClaRa.Basics.Media.Slag.PartialSlag | slagType (from HopperBase) | simCenter.slagModel | Slag properties |
| TILMedia.Gas.Types.BaseGas | flueGas (from HopperBase) | simCenter.flueGasModel | Flue gas model used in component |
| Slag temperature definitions | |||
| Integer | slagTemperature_calculationType (from HopperBase) | 1 | Calculation type of outflowing slag temperature |
| ClaRa.Basics.Units.Temperature | T_Slag (from HopperBase) | 900 | Constant slag outlet temperature |
| Heat Transfer | |||
| Modelica.Units.SI.Time | Tau_rad (from HopperBase) | 0.1 | Radiation time constant |
| Nominal Values | |||
| Modelica.Units.SI.MassFlowRate | m_flow_nom (from HopperBase) | 10 | Nominal mass flow rates at inlet |
| Initialisation | |||
| ClaRa.Basics.Units.Pressure | p_start_flueGas_out (from HopperBase) | 1e5 | Start pressure at outlet |
| ClaRa.Basics.Units.Temperature | T_start_flueGas_out (from HopperBase) | 700 | Start temperature at outlet |
| Modelica.Units.SI.Temperature | T_top_initial (from HopperBase) | T_start_flueGas_out | Initial temperature of top volume |
| ClaRa.Basics.Units.MassFraction[flueGas.nc - 1] | xi_start_flueGas_out (from HopperBase) | {0.01, 0, 0.1, 0, 0.74, 0.13, 0, 0.02, 0} | Start composition of flue gas |
| Modelica.Units.SI.SpecificEnthalpy | h_start (from HopperBase) | TILMedia.Gas.Functions.specificEnthalpy_pTxi(flueGas, p_start_flueGas_out, T_start_flueGas_out, xi_start_flueGas_out) | Start flue gas enthalpy |
| Boolean | useHomotopy | simCenter.useHomotopy | True, if homotopy method is used during initialisation |
| Expert Settings | |||
| ClaRa.Basics.Units.Time | Tau (from HopperBase) | 0.01 | Time constant for heat transfer temperature delay |
| Summary and Visualisation | |||
| Boolean | showData (from HopperBase) | false | True, if characteristic data shall be visualised in model icon |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| Basics.Interfaces.FuelSlagFlueGas_inlet | inlet (from HopperBase) | ||
| Basics.Interfaces.FuelSlagFlueGas_outlet | outlet (from HopperBase) | ||
| ClaRa.Basics.Interfaces.HeatPort_a | heat_wall (from HopperBase) | ||
| ClaRa.Basics.Interfaces.HeatPort_a | heat_top (from HopperBase) | ||
| ClaRa.Basics.Interfaces.HeatPort_a | heat_bottom (from HopperBase) | ||
| ClaRa.Basics.Interfaces.EyeOutGas | eyeOut (from HopperBase) |
Components
Contents
| Name | Description |
|---|---|
 Outline | |
 Fuel | |
 Slag | |
 Flow | |
 Summary |