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momentum equation question

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Old   March 26, 2010, 11:34
Default momentum equation question
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a maybe simple question, but the more I think about it the more puzzled I am:

a gas mixture is flowing along a channel, the molar fractions of the single components are changing along the channel (sink/source terms), but I want to neglect any pressure drop.

What happens to the mixture velocity? What terms survive in the momentum equations?

thanks in advance and regards

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constant pressure, mixture, momentum

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