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Content of fluid in volume

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Old   November 3, 2016, 06:12
Default Content of fluid in volume
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How do i measure the volume or mass of a specific fluid in a domain
Say i hv methane and hidrogen gas fuel injected into a domain for reaction with air. How do i then measure how much each species is contained in a domain within a multi domain volume.

Ex.. fuel injected from one end travels sequentially thru domain A then B then C then D. Reaction will change the composition in each domain as the fuel traverses them.
How to measure volume/mass species ...ex methane in A..B..C....... etc
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Old   November 3, 2016, 12:49
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Opaque will become famous soon enough
mass = volumeInt(Density * <species name>.Mass Fraction)@<Domain of Interest
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Old   November 3, 2016, 18:39
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Thnks opaque... wil try it out...
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Old   November 3, 2016, 18:41
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Similarly how to measure energy in volume... intention is to determine energy released by combustion reaction
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