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Local condensation heat transfer rates in fine passages ... · Local heat transfer coe?cients for ?ow condensation of HCFC-123 and of R11 have been measured for a wide range of mass ?uxes (70–600 kg m?2 s?1 ), heat ?uxes (15–110 kW m?2 ), vapour qualities (superheated to fully condensed), and pressures (120–410 kPa) in tubes with internal …