Abstract
In this work, we investigated the two-phase flow boiling heat transfer coefficient and pressure drop of refrigerant in a micro-fin tube. The working refrigerant is R410A. The data were conducted under the following conditions: heat flux ranged from 9 to 12 kW m−2, mass flux ranged from 200 to 320 kg m−2 s−1, and the evaporation temperature of 6 ℃. The test section was made of a micro-fin tube with equivalent diameters of 7.94 mm. The effects of mass flux and heat flux on heat transfer coefficient and pressure drop were illustrated. The present experimental data report the strong effect of mass flux and vapor quality on both heat transfer coefficient and pressure drop of R410A in the micro-fin tube.
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Acknowledgments
This research is funded by the Ministry of Education and Training (Vietnam) under project number B2020-BKA-04, Hanoi University of Science and Technology (HUST) under project number T2020-PC-210, and Chonnam National University, South Korea.
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Nguyen, V.D., Trinh, Q.D., Vu, T.A., Nguyen, B.C., Oh, JT. (2022). Experimental Two-Phase Flow Boiling Heat Transfer Coefficient and Pressure Drop of Refrigerant in a Horizontal Micro-fin Tube. In: Le, AT., Pham, VS., Le, MQ., Pham, HL. (eds) The AUN/SEED-Net Joint Regional Conference in Transportation, Energy, and Mechanical Manufacturing Engineering. RCTEMME 2021. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-19-1968-8_103
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