concentric/tube in tube counter flow HX -- CFD Online Discussion Forums

May 24, 2010, 07:41	concentric/tube in tube counter flow HX	#1
ask123 New Member William Join Date: May 2010 Posts: 4 Rep Power: 16	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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