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최광일(Kwang-Il Choi),Pham Quang Vu,오종택(Jong-Taek Oh),조홍기(Honggi Cho),김태현(Taehun Kim),김중호(Jungho Kim),이창선(Changseon Lee) 대한설비공학회 2013 대한설비공학회 학술발표대회논문집 Vol.2013 No.11
An experimental investigation of condensation heat transfer of R410A was carried out for horizontal micro-fin tubes of 6.61 mm and 7.45 mm inner diameter in this study. The heat transfer coefficient and pressure drop were measured under the following conditions: the saturation temperature was at 48˚C, the mass flux ranged from 200 to 320 kg/m²s, the heat flux ranged from 9 to 12 kg/m²s, the quality of vapor reached to an unit and the length of test section was 1.2m. The effects of mass flux, heat flux and inner diameter on heat transfer coefficient were evaluated. The heat transfer coefficient and pressure drop were also compared using some existing correlations.