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How to simulate WOOD FIRE with Comsol?

Posted 12.11.2013, 10:46 GMT-5 Heat Transfer & Phase Change, Chemical Reaction Engineering, Modeling Tools & Definitions, Parameters, Variables, & Functions 6 Replies

Regis Ngenzi
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Hello dear COMSOL community,
I have this phenomenon I want to simulate with COMSOL to understand it and improve the way we use wood in my region: WOOD FIRE
I need ideas in the approach to take using chemistry (if needed), heat (conduction, convection & radiation), ... My biggest problem is the simulation of the wood fire itself maybe taking in account the phase changes, etc. I am very interested in the amount and types of gases emitted and the quantity of heat generated.
Thank you very much for your precious help.
- Regis
6 Replies Last Post 06.01.2015, 13:28 GMT-5
Edgar J. Kaiser Certified Consultant
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Posted: 1 decade ago 12.11.2013, 11:16 GMT-5

Regis,

this is certainly a very interesting but also very ambitious project. I cannot contribute much because we are not doing Chemical Reaction Engineering at the moment.
I would recommend to perform an extensive research on literature, the COMSOL knowledge base, the model gallery, contributions from the COMSOL conferences and so forth.
Then look into one physics aspect after the other.

Would certainly be interesting to hear something about your efforts in the future.

Cheers
Edgar

--
Edgar J. Kaiser
emPhys Physical Technology
www.emphys.com
Regis, this is certainly a very interesting but also very ambitious project. I cannot contribute much because we are not doing Chemical Reaction Engineering at the moment. I would recommend to perform an extensive research on literature, the COMSOL knowledge base, the model gallery, contributions from the COMSOL conferences and so forth. Then look into one physics aspect after the other. Would certainly be interesting to hear something about your efforts in the future. Cheers Edgar -- Edgar J. Kaiser emPhys Physical Technology http://www.emphys.com
Tero Hietanen
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Posted: 1 decade ago 12.11.2013, 14:58 GMT-5
Hi,

Maybe this can be start if you just want to solve wood log combustion:

www.caspus.eclipse.co.uk/ah/publications/evcsgpmcgwl.pdf

Best regards

Tero Hietanen
Hi, Maybe this can be start if you just want to solve wood log combustion: http://www.caspus.eclipse.co.uk/ah/publications/evcsgpmcgwl.pdf Best regards Tero Hietanen
Regis Ngenzi
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Posted: 1 decade ago 14.11.2013, 07:08 GMT-5
Edgar,
Thank you very much for the advice. I will definitely look into literature since I cannot find any similar model on the COMSOL community website. If I happen to build and solve an interesting model I will share it.
Cheers,
Regis


Regis,

this is certainly a very interesting but also very ambitious project. I cannot contribute much because we are not doing Chemical Reaction Engineering at the moment.
I would recommend to perform an extensive research on literature, the COMSOL knowledge base, the model gallery, contributions from the COMSOL conferences and so forth.
Then look into one physics aspect after the other.

Would certainly be interesting to hear something about your efforts in the future.

Cheers
Edgar

--
Edgar J. Kaiser
emPhys Physical Technology
www.emphys.com

Edgar, Thank you very much for the advice. I will definitely look into literature since I cannot find any similar model on the COMSOL community website. If I happen to build and solve an interesting model I will share it. Cheers, Regis [QUOTE] Regis, this is certainly a very interesting but also very ambitious project. I cannot contribute much because we are not doing Chemical Reaction Engineering at the moment. I would recommend to perform an extensive research on literature, the COMSOL knowledge base, the model gallery, contributions from the COMSOL conferences and so forth. Then look into one physics aspect after the other. Would certainly be interesting to hear something about your efforts in the future. Cheers Edgar -- Edgar J. Kaiser emPhys Physical Technology http://www.emphys.com [/QUOTE]
Regis Ngenzi
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Posted: 1 decade ago 14.11.2013, 07:55 GMT-5
Thank you Tero,
Very interesting document. I am sure this will help.
Best regards,
Regis


Hi,

Maybe this can be start if you just want to solve wood log combustion:

www.caspus.eclipse.co.uk/ah/publications/evcsgpmcgwl.pdf

Best regards

Tero Hietanen


Thank you Tero, Very interesting document. I am sure this will help. Best regards, Regis [QUOTE] Hi, Maybe this can be start if you just want to solve wood log combustion: http://www.caspus.eclipse.co.uk/ah/publications/evcsgpmcgwl.pdf Best regards Tero Hietanen [/QUOTE]
Tero Hietanen
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Posted: 1 decade ago 14.11.2013, 09:41 GMT-5
Hello,

Comsol has no ready model for combustion but here you can find some basics for gas reactions:

www.comsol.com/community/forums/general/thread/23717

Best regards

Tero
Hello, Comsol has no ready model for combustion but here you can find some basics for gas reactions: http://www.comsol.com/community/forums/general/thread/23717 Best regards Tero
J M
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Posted: 1 decade ago 06.01.2015, 13:28 GMT-5
The below link from Tero no longer opens for me, but I found an alternative from the same professor which is helpful:
www.caspus.co.uk/publications/nafems2010-ah-fmcfd.pdf

Also, here are links to other fire simulation tools which Prof. Horvat lists:
fseg.gre.ac.uk/smartfire/
code.google.com/p/firefoam-dev/
www.jensenhughes.com/services/modeling-2/fds-fire-dynamics-simulator-2/
www.bre.co.uk/page.jsp?id=1856


Hi,

Maybe this can be start if you just want to solve wood log combustion:

www.caspus.eclipse.co.uk/ah/publications/evcsgpmcgwl.pdf

Best regards

Tero Hietanen



The below link from Tero no longer opens for me, but I found an alternative from the same professor which is helpful: http://www.caspus.co.uk/publications/nafems2010-ah-fmcfd.pdf Also, here are links to other fire simulation tools which Prof. Horvat lists: http://fseg.gre.ac.uk/smartfire/ https://code.google.com/p/firefoam-dev/ http://www.jensenhughes.com/services/modeling-2/fds-fire-dynamics-simulator-2/ http://www.bre.co.uk/page.jsp?id=1856 [QUOTE] Hi, Maybe this can be start if you just want to solve wood log combustion: http://www.caspus.eclipse.co.uk/ah/publications/evcsgpmcgwl.pdf Best regards Tero Hietanen [/QUOTE]

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