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- Title
Experimental Investigation on Condensation Heat Transfer of Refrigerant R1234yf in Horizontal Microfin Tube.
- Authors
MAINIL, Afdhal Kurniawan; SAKAMOTO, Naoki; UBUDIYAH, Hakimatul; BASHAR, M. Khairul; KARIYA, Keishi; MIYARA, Akio
- Abstract
In this paper, an experimental study on the condensation heat transfer coefficient of refrigerant R1234yf was obtained inside a 3.5 mm outside diameter (OD) horizontal microfin tube. Comparison of present work (3.5 mm OD) and previous research (2.5 mm OD) was reported to evaluate the effect of diameter to heat transfer coefficient. Data were obtained over a range of mass velocity from 50 to 200 kg m-2s-1, vapor quality 0 to 1, and saturation temperature from 20°C to 30°C. The effect of mass velocity, vapor quality, and saturation temperature on condensation heat transfer coefficient was clarified. The experimental results were compared with some existing correlations in the open literature. Hirose et al. (2018) correlation has good agreement with experimental data.
- Subjects
REFRIGERANTS; CONDENSATION; TUBES; HEAT transfer coefficient; HEAT transfer
- Publication
Transactions the Japan Society of Refrigerating & Air Conditioning Engineers, 2022, Vol 39, Issue 2, p145
- ISSN
1344-4905
- Publication type
Article