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Coal devolatilisation - two competing reactions |
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August 12, 2009, 08:45 |
Coal devolatilisation - two competing reactions
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#1 |
Member
Reine Granström
Join Date: Apr 2009
Location: Sweden
Posts: 43
Rep Power: 17 |
Dear all,
I am looking for advice in describing devolatilisation of coal in CFX using two competing reactions. I have been told that the reactions need to be specified in a CEL code. Does anyone have a code example that shows how to set this up? Any other hints regarding this? Best regards, Reine |
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February 16, 2010, 11:01 |
Update
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#2 |
Member
Reine Granström
Join Date: Apr 2009
Location: Sweden
Posts: 43
Rep Power: 17 |
I have defined two reactions - Devolatilization RC1 and Devolatilization RC2 - and included them in the Multiphase Reactions List. I get the following message by the solver when running the simulation:
Parallel run: Received message from slave ----------------------------------------- Slave partition : 8 Slave routine : SU_REAC_HCFUEL Master location : End of Continuity Loop Message label : 002100073 Message follows below - : +--------------------------------------------------------------------+ | ****** Notice ****** | | | | For hydrocarbon fuel proximate/ultimate analysis, multiple | | reactions of the same type found. Only one of these will be | | effective for calculation of volatiles reference enthalpy. | | | | Particle : HC Fuel | | Reaction type: devolatilisation | | Reaction for volatiles heat release calculation: | | Devolatilization RC2 | +--------------------------------------------------------------------+ Has anyone seen a similar solver message? Do you have any recommendations how to setup the simulation correctly in order for both reactions to be used? |
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