modelClassifying_centrifugal
Extends from Classifying_centrifugal_base.
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 |
|---|---|---|---|
| Real | slip_w_gas_t | 22/55 | ratio of tangetial gas and rotor velocity (to fit measurement data) |
| General › Initialization | |||
| ClaRa.Basics.Units.Velocity[n,iComClassifier.classification.N_class] | w_prtcl_r_rel_start | 0.2*ones(n, iComClassifier.classification.N_class) | initial relative radial particle velocity for each particle class |
| ClaRa.Basics.Units.Velocity | w_gas_r_in_start | 1.177 | initial radial gas velocity at classifier inlet |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| Records.iCom_CentrifugalClassifier | iComClassifier | ||
| ClaRa.Basics.Units.Volume[iComClassifier.classification.N_class] | volume_prtcl | volume of particles, ideal spheres | |
| ClaRa.Basics.Units.Velocity[n,iComClassifier.classification.N_class] | w_prtcl_r_abs | absolute radial velocity of particle | |
| ClaRa.Basics.Units.Velocity[n,iComClassifier.classification.N_class] | w_prtcl_r_rel | relative radial velocity of particle (to gas) | |
| ClaRa.Basics.Units.Velocity[iComClassifier.classification.N_class] | w_prtcl_r_rel_entry | relative velocity of particles entering transport zone (x=0) | |
| ClaRa.Basics.Units.Velocity[n,iComClassifier.classification.N_class] | w_prtcl_t | relative radial velocity of particle | |
| ClaRa.Basics.Units.Velocity | w_gas_r_in | radial inlet gas velocity | |
| ClaRa.Basics.Units.Velocity | w_gas_t_in | tangential inlet gas velocity | |
| ClaRa.Basics.Units.Velocity[n] | w_gas_r | radial gas velocity against radius | |
| ClaRa.Basics.Units.Velocity[n] | w_gas_t | tangential gas velocity aganist radius | |
| ClaRa.Basics.Units.Velocity[n] | w_gas_r_ps | pseudo state: absolute velocity of gas | |
| ClaRa.Basics.Units.RPM | rpm_classifier | RPM of classifier in 1/min | |
| ClaRa.Basics.Units.Frequency[n] | omega | angular velocity of fluid | |
| Real | c1 | tangential constant for archimedan spiral | |
| Real | c2 | radial constant for archimedian spiral | |
| ClaRa.Basics.Units.VolumeFraction[n,iComClassifier.classification.N_class] | K_v | ||
| Modelica.Units.SI.ReynoldsNumber[n,iComClassifier.classification.N_class] | Re | Reynolds number | |
| Real[n,iComClassifier.classification.N_class] | c_w | coal particle drag coefficient | |
| Real[n,iComClassifier.classification.N_class] | c_w_swarm | modified VDI for swarms of particle according to VDI-Wärmeatals (L3.1) and Richardso and Zaki | |
| Real[n,iComClassifier.classification.N_class] | c_w_return | coal particle drag coefficient | |
| Real[n,iComClassifier.classification.N_class] | c_w_swarm_return | modified VDI for swarms of particle according to VDI-Wärmeatals (L3.1) and Richardso and Zaki | |
| Modelica.Units.SI.ReynoldsNumber[n,iComClassifier.classification.N_class] | Re_return | Reynolds number | |
| ClaRa.Basics.Units.Velocity[n,iComClassifier.classification.N_class] | w_prtcl_return | absolute radial velocity of particle |
Revisions
For revisions please consult the html-documentation shipped with ClaRa.