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Energy residual and total heat exchange fluctuation

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Old   August 17, 2016, 04:41
Default Energy residual and total heat exchange fluctuation
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nirmal singh rajput
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Dear everyone,

I am trying to model a actual dual stream heat exchanger.

My all residuals are converging (including continuity),but energy residual becomes constant at about 0.005, which is a problem because my total heat exchange by heat exchanger keeps fluctuating.

Can anyone give any insight or solution of the problem?

Thanks in advance!
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