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discontinuous time dependent PFR

Posted 19.03.2014, 14:13 GMT-4 Chemical Reaction Engineering 1 Reply

Roberto Piu
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Hello everyone,
I'm studying a discontinuous time dependent PFR using Transport of Diluited Species. I want to set feed concentration the same of the outflow one. How can I set this condition using Transport of Diluited Species?

1 Reply Last Post 20.03.2014, 12:31 GMT-4
Niklas Rom COMSOL Employee

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Posted: 1 decade ago 20.03.2014, 12:31 GMT-4
Hi, I guessing here that you are working on a recirculation loop. If you run 4.4, you have accessible variables for total flow and average outlet concentrations at the flow exits, which you can use elsewhere in the model. For example the mass and flow averaged concentration can be chds.c0avg_c_out1 at an exit. If you have solved the model model once, did "Get inital values", you can access the full names in you particular model from the plot menus.

Feel free to contact support@comsol.com if this answer did not represent your problem.
Niklas
Hi, I guessing here that you are working on a recirculation loop. If you run 4.4, you have accessible variables for total flow and average outlet concentrations at the flow exits, which you can use elsewhere in the model. For example the mass and flow averaged concentration can be chds.c0avg_c_out1 at an exit. If you have solved the model model once, did "Get inital values", you can access the full names in you particular model from the plot menus. Feel free to contact support@comsol.com if this answer did not represent your problem. Niklas

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