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Specific heat USRSPH

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Old   May 25, 2004, 06:11
Default Specific heat USRSPH
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Andrea
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Hello all...

I'm using the routine usrsph in cfx 4-4.

What's the difference between CP e CPBAR?

Thanks

Andrea

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Old   May 30, 2004, 02:52
Default Re: Specific heat USRSPH
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Jeff
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CP is the value used in the energy equation diffusion term.

CPBAR is used in converting temperatures to enthalpies and vice versa.

CPBAR should be calculated as the integral of CP from Tref to T, divided by (T-Tref). This gives the mean over the range from T to Tref. CP is the acual value at T.

Jeff
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