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August 31, 2022, 18:06 |
How to implement hydrogen combustion?
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#1 |
New Member
Lucas Pelizzari
Join Date: Jun 2022
Posts: 8
Rep Power: 4 |
I just want a BC injecting Hydrogen (H2) and have it combust with air (0.78N2 + 0.22O2) inside the domain, and the output should be N2, O2 and H2O, simple as that. There's no ignition, hopefully the air temperature (>1000K) should take care of that.
The Fluent tutorial (https://www.afs.enea.it/project/nept...ug/node537.htm) has proven unfruitful so far. It behaves like I'm just injecting more air into the domain. Should I use the premixed or non-premixed model? It seems to be non-premixed, because, intuitively, premixed sounds like what you would have in a reciprocating engine. What else can I do? |
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August 31, 2022, 19:59 |
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#2 |
Senior Member
Alexander
Join Date: Apr 2013
Posts: 2,363
Rep Power: 34 |
increase temperature locally in the beggining of simulation
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August 31, 2022, 21:31 |
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#3 |
New Member
Lucas Pelizzari
Join Date: Jun 2022
Posts: 8
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September 1, 2022, 04:35 |
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#4 |
New Member
Liu Wenchao
Join Date: Jan 2021
Posts: 15
Rep Power: 5 |
You can patch high temperature (2000K) and high intermediates and product mass concentration in the initial filed.
In your case, the non-premixed model seems more accurate. |
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September 6, 2022, 02:52 |
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#5 |
Senior Member
Alexander
Join Date: Apr 2013
Posts: 2,363
Rep Power: 34 |
press initialize, then PATCH option will be avaliable
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Tags |
combustion, fluent, hydrogen |
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