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-   -   concentric/tube in tube counter flow HX (http://www.cfd-online.com/Forums/fluent/76370-concentric-tube-tube-counter-flow-hx.html)

ask123 May 24, 2010 06:41

concentric/tube in tube counter flow HX
 
I am simulating a concentric tube in tube counter flow HX. On the annualar side i have supercritical co2 and center tube - subcritical co2. I have problem in finding local heat transfer coefficient for both fluid channels. How i should define wall between two fluids?

Any one has a clue?


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