modelGrinderRingRoller
Extends from ClaRa.Basics.Icons.Mill (Icon for mill models).
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 |
|---|---|---|---|
| Fundamental Definitions | |||
| 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 mass flow rates at inlet |
| Initialisation | |||
| ClaRa.Basics.Units.Temperature | T_start | simCenter.T_amb_start | initial fuel |
| ClaRa.Basics.Units.MassFraction[fuelModel.N_c - 1] | xi_fuel_start | zeros(fuelModel.N_c - 1) | initial fuel composition |
| ClaRa.Basics.Units.MassFraction[classification.N_class - 1] | classFraction_in_start | (1/classification.N_class)*ones(classification.N_class - 1) | start value for total class fraction of ALL inlets |
| Real | recirculation_rate_start | 15 | initial m_flow_out/m_flow_in1 kg/kg |
| Geometry | |||
| ClaRa.Basics.Units.Length | radius_table | 0.5*(2.44 - 0.4) | outer radius of the grinding table; center table to center roll! |
| ClaRa.Basics.Units.Length | radius_chute | 0.5*0.817 | radius of recirculation tube of classifier |
| Integer | n | 10 | number of discrete table ring sections |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Blocks.Interfaces.RealInput | inputGrindingPressure | ||
| Modelica.Blocks.Interfaces.RealInput | inputTableSpeed | ||
| Basics.Interfaces.FuelInletDistr | fuelInlet1 | ||
| Basics.Interfaces.FuelInletDistr | fuelInlet2 | ||
| Basics.Interfaces.FuelOutletDistr | fuelOutlet |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| ClaRa.SimCenter | simCenter | ||
| Real[n,classification.N_class] | classFraction_out_real | sum = 1 | |
| ClaRa.Basics.Units.Mass | mass | accumulated particle/fuel mass in aerosol control volume | |
| ClaRa.Basics.Units.Pressure | p | pressure in fuel control volume | |
| ClaRa.Basics.Units.Temperature | T | temperature in fuel controll volume | |
| ClaRa.Basics.Units.MassFraction[fuelModel.N_c - 1] | xi | composition in fuel control volume | |
| ClaRa.Basics.Units.Area[n,classification.N_class] | A_coat | ||
| ClaRa.Basics.Units.Mass[n,classification.N_class] | mass_discrete | ||
| ClaRa.Basics.Units.Mass[n] | mass_discrete_sum | ||
| ClaRa.Basics.Units.Length[n,classification.N_class] | height | ||
| ClaRa.Basics.Units.Length[n] | height_sum | ||
| ClaRa.Basics.Units.MassFlowRate[classification.N_class] | m_flow_in | ||
| ClaRa.Basics.Units.MassFlowRate[classification.N_class] | m_flow_out | ||
| Real[m] | coeff_m_flow_in | distribution factor for m_flow_in on ring elements within chute radius | |
| Real | recirculation_rate | ratio of total inlet mass flow to conveyor inlet mass flow | |
| ClaRa.Basics.Units.Pressure | p_grinding | ||
| ClaRa.Basics.Units.RPM | rpm_table | ||
| ClaRa.Basics.Media.FuelObject | fuelIn1 | ||
| ClaRa.Basics.Media.FuelObject | fuelIn2 | ||
| ClaRa.Basics.Media.FuelObject | fuelOut | ||
| ClaRa.Basics.Media.FuelObject | fuelBulk | ||
| Breakage | breakage | ||
| Selection | selection | ||
| Transport | transport | ||
| Fundamentals.Records.iCom_Grinder | iCom | ||
| Summary | summary |
Contents
| Name | Description |
|---|---|
| Breakage | |
| Selection | |
| Transport | |
 Outline | |
 Summary |
Revisions
For revisions please consult the html-documentation shipped with ClaRa.