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Old   July 27, 2012, 20:14
Default Heat Exchangers
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Mike Stroup
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Anyone with experiance CFD'ing the flow thru distributed resistances?
My simulations get sketchy and diverge?
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Old   July 30, 2012, 18:22
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Ryan
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Heat exchanger or distributed resistance?

If a resistance, is it sufficiently meshed? Try to make sure you have at least a couple elements spanning the thickness of the volume. "Use uniform" can be helpful in this kind of situation.
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Old   July 30, 2012, 18:34
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Mike Stroup
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looking for experiance with comments on the Head Capacity curve, values, typical Radiator characteristics... what advection scheme?

that sorta stuff...

External flow with an inlet, duct, Hx, exhaust duct.
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