Under the natural and forced convection conditions, the condensation heat transfer per-formance of nonazeotropic mixtures in a bundle of petal-shpaed finned tube was studied. Experimentalresults showed that petal-shaped finned tube remarkedly enhanced the condensation heat transfer ofnonazeotropic mixtures in the bundle, the condensation heat transfer per formance under forced con-vection was better than that of natural convection.
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