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HELP PLEASE! Mixture fraction

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Old   September 21, 2005, 12:15
Default HELP PLEASE! Mixture fraction
James Willie
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Hi All,

I am having some difficulties determining mixture fraction in fluent. I am simulating gas oil (c16h29) and my mixture is comprised of c16h19, o2 and n2 (i want to determine the mixture fraction before combustion begins). How can i determine the mixture fraction of my gaseous fuel in a given plane in Fluent?

Any suggestion(s) will be highly appreciated.

Counting on your assistance.


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Old   September 23, 2005, 01:35
Default Re: HELP PLEASE! Mixture fraction
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define it by mass fraction.
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Old   September 23, 2005, 03:06
Default Re: HELP PLEASE! Mixture fraction
James Willie
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Hi, how is it done? If you do it by using mass fraction, will the results be normalized?

Thanks again for the help.


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Old   October 2, 2005, 23:35
Default Re: HELP PLEASE! Mixture fraction
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for this u have to adapt the region whr u want to key in the volume fraction of the adapt...>region give x and y values and click on mark..then close now go to initialize and initialize the values and then go to solve---->initialize--->patch...and under phases select ur phase and select volume fraction and in values give the values..

hope it works bye
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