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Forum: FLUENT

March 10, 2012, 19:04

Replies: 10

Methane combustion

Views: 12,178

Posted By sberg

Yes, you are correct. 2H2+O2<=>2H2O is...

Yes, you are correct.

2H2+O2<=>2H2O is often simplified to be non-reversible and represented by r = k(T) [H2]^0.5 [O2]^2.25 [H2O]^(-1). But according to the Chemkin output, as you noticed, it...

Forum: FLUENT

March 9, 2012, 19:28

Replies: 10

Methane combustion

Views: 12,178

Posted By sberg

And of course, a negative reaction order means...

And of course, a negative reaction order means the rate decreases when the concentration of that component increases

r = k(T) [H2]^0.5 [O2]^2.25 [H2O]^(-1) = k(T) [H2]^0.5 [O2]^2.25 / [H2O]

Forum: FLUENT

March 9, 2012, 19:05

Replies: 10

Methane combustion

Views: 12,178

Posted By sberg

The H2 + 0.5 O2 --> H2O reaction is a global one...

The H2 + 0.5 O2 --> H2O reaction is a global one and it includes several elementary steps with many reactive intermediates like H, O, OH. Such global reactions have complicated rate laws. The...

Forum: FLUENT

November 18, 2011, 07:07

Replies: 10

Methane combustion

Views: 12,178

Posted By sberg

Hi San Siro

At that time I contacted Fluent support and they said I had to use a Chemkin file. They even provided me the file. It's named 4_reactions.che and I attached it below. As far as I remembered the...

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