modelCentrifugalClassifier
Aerosol component | centrifugal classifier | for replaceable centrifugal classifying processes | discretised fuel mass balance
Information
For detailed model documentation please consult the html-documentation shipped with ClaRa.
Authorship and Copyright Statement for original (initial) Contribution
Author:
DYNCAP/DYNSTART development team, Copyright © 2011-2024.References:
For references please consult the html-documentation shipped with ClaRa.
Remarks:
This component was developed by ClaRa development team under the 3-clause BSD License.
Acknowledgements:ClaRa originated from the collaborative research projects DYNCAP and DYNSTART. Both research projects were supported by the German Federal Ministry for Economic Affairs and Energy (FKZ 03ET2009 and FKZ 03ET7060).
CLA:
The author(s) have agreed to ClaRa CLA, version 1.0. See https://claralib.com/pdf/CLA.pdf
By agreeing to ClaRa CLA, version 1.0 the author has granted the ClaRa development team a permanent right to use and modify his initial contribution as well as to publish it or its modified versions under the 3-clause BSD License.
The ClaRa development team consists of the following partners:
TLK-Thermo GmbH (Braunschweig, Germany)
XRG Simulation GmbH (Hamburg, Germany).
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Initialisation | |||
| Boolean | useHomotopy | simCenter.useHomotopy | True, if homotopy method is used during initialisation |
| ClaRa.Basics.Units.Pressure | p_start | simCenter.p_amb_start | Initial pressure |
| ClaRa.Basics.Units.Temperature | T_start | 273.15 + 100 | Initial temperature |
| ClaRa.Basics.Units.MassFraction[gas.nc - 1] | xi_gas_start | {0, 0, 0, 0, 0.79, 0.21, 0, 0, 0} | Initial gas composition |
| ClaRa.Basics.Units.MassFraction[fuelModel.N_c - 1] | xi_fuel_start | zeros(fuelModel.N_c - 1) | Initial fuel composition |
| ClaRa.Basics.Units.Mass | mass_fuel_start | 200 | Initial fuel mass |
| ClaRa.Basics.Units.Mass | mass_gas_start | 100 | initial gas mass |
| ClaRa.Basics.Units.Mass[n,classification.N_class] | mass_fuel_discrete_start | (1/n/classification.N_class)*mass_fuel_start*ones(n, classification.N_class) | |
| ClaRa.Basics.Units.MassFraction[classification.N_class - 1] | classFraction_start | (1/classification.N_class)*ones(classification.N_class - 1) | start value for total class fraction in volume |
| Integer | initOption | 0 | Type of initialisation |
| Fundamental Definitions | |||
| TILMedia.Gas.Types.BaseGas | gas | simCenter.flueGasModel | Medium model |
| ClaRa.Basics.Media.FuelTypes.BaseFuel | fuelModel | simCenter.fuelModel1 | Coal elemental composition used for combustion |
| Fundamentals.Records.FuelClassification_base | classification | Fundamentals.Records.FuelClassification_example_21classes() | |
| Nominal Values | |||
| ClaRa.Basics.Units.MassFlowRate | m_flow_fuel_nom | 10 | Nominal fuel mass flow rates at inlet |
| Modelica.Units.SI.MassFlowRate | m_flow_gas_nom | 10 | Nominal gas mass flow rates at inlet |
| General › Geometry | |||
| ClaRa.Basics.Units.Length | radius_classifier_outer | 0.5*3.33 | outer radius of classifier (inlet) |
| ClaRa.Basics.Units.Length | radius_classifier_inner | 0.5*0.817 | inner radius of classifier (outlet) |
| ClaRa.Basics.Units.Length | height_classifier | 2 | height of classifier; considered as CONSTANT against radius |
| Integer | n | 10 | number of discrete circular ring elements |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| Basics.Interfaces.FuelInletDistr | fuelInlet | ||
| Basics.Interfaces.FuelOutletDistr | fuelOutlet1 | ||
| Basics.Interfaces.FuelOutletDistr | fuelOutlet2 | ||
| ClaRa.Basics.Interfaces.GasPortIn | gasInlet | ||
| ClaRa.Basics.Interfaces.GasPortOut | gasOutlet | ||
| Modelica.Blocks.Interfaces.RealInput | inputClassifier |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| ClaRa.SimCenter | simCenter | ||
| Classifying | classifying | ||
| Geometry | geo | ||
| PressureLoss | pressureLoss | Pressure loss model | |
| Fundamentals.Records.iCom_CentrifugalClassifier | iComClassifier | ||
| ClaRa.Basics.Records.IComBase_L2 | iCom | ||
| Summary | summary | ||
| ClaRa.Basics.Units.Pressure | p | gas pressure in control volume | |
| ClaRa.Basics.Units.Temperature | T | temperature in fuel controll volume | |
| ClaRa.Basics.Units.MassFraction[fuelModel.N_c - 1] | xi_fuel | composition in fuel control volume | |
| ClaRa.Basics.Units.Mass | mass_fuel | fuel bulk mass in volume | |
| ClaRa.Basics.Units.MassFraction[classification.N_class - 1] | classFraction | total class fraction of ALL inlets | |
| Real[classification.N_class] | classFraction_in_real | declaring class fraction vectors with sum = 1 | |
| ClaRa.Basics.Units.Mass[n,classification.N_class] | mass_fuel_discrete | mass of each particle class in each ring element | |
| ClaRa.Basics.Units.DensityMassSpecific | rho_prtcl | ||
| ClaRa.Basics.Units.MassFraction[gas.nc - 1] | xi_gas | ||
| ClaRa.Basics.Units.Mass | mass_gas | ||
| Real | drhodt | Density derivative gas | |
| ClaRa.Basics.Units.DensityMassSpecific | rho_fluid | density of fluid | |
| ClaRa.Basics.Units.MassFlowRate[1,classification.N_class] | m_flow_in | mass flow in from iCom | |
| ClaRa.Basics.Units.MassFlowRate[n,classification.N_class] | m_flow_center | mass flow to center | |
| ClaRa.Basics.Units.MassFlowRate[n,classification.N_class] | m_flow_return | mass flow to center | |
| ClaRa.Basics.Units.MassFlowRate[classification.N_class] | m_flow_return_sum | overall return mass flow to table | |
| ClaRa.Basics.Units.Velocity[n,classification.N_class] | w_prtcl_center_eff | ||
| ClaRa.Basics.Units.Velocity[n,classification.N_class] | w_prtcl_return_eff | ||
| ClaRa.Basics.Units.Length | diameter_average | averaged prtcl diameter weighted by mass fraction (d50,3) | |
| ClaRa.Basics.Media.FuelObject | fuelBulk | ||
| ClaRa.Basics.Media.FuelObject | fuelIn | ||
| ClaRa.Basics.Media.FuelObject | fuelOut1 | ||
| ClaRa.Basics.Media.FuelObject | fuelOut2 | ||
| TILMedia.Gas.Gas_pT | gasIn | ||
| TILMedia.Gas.Gas_pT | gasOut | ||
| TILMedia.Gas.Gas_pT | gasBulk |
Contents
| Name | Description |
|---|---|
| Classifying | |
 Geometry | |
 PressureLoss | |
 Outline | |
 Summary |
Revisions
For revisions please consult the html-documentation shipped with ClaRa.