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Experimental Study on Frost Height of Round Plate Fin-Tube Heat Exchangers for Mobile Heat Pumps

Author

Listed:
  • Moo-Yeon Lee

    (Department of Mechanical Engineering, Dong-A University, 37 Nakdong-Daero 550 beon-gil saha-gu, Busan, Korea)

  • Yongchan Kim

    (Department of Mechanical Engineering, Korea University, Anam-Dong, Sungbuk-Ku, Seoul 136-713, Korea)

  • Dong-Yeon Lee

    (School of Mechanical Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan, Gyeongbuk 712-749, Korea)

Abstract

The objective of this study was to provide experimental data that could be used to predict frost growth and frost performance of a round plate fin-tube heat exchanger for low temperature heat pumps used in zero emission vehicles under cold weather conditions. In this study, round plate fin-tube heat exchangers were tested with variation of the fin space, air flow rate, relative humidity, and inlet air temperature. Frost height was measured and considered with the boundary layer interruption between fins. Frost height for 8.0 mm of fin space was increased by approximately 91.9% with an increase of relative humidity from 50.0% to 80.0%. The growth rate of frost height at 1.2 m 3 /min was observed to be 13.0% greater than that at 0.8 m 3 /min. Finally, the variation of the blockage ratio with fin space would be an important reference for designing advanced heat exchangers that operate under cold weather conditions.

Suggested Citation

  • Moo-Yeon Lee & Yongchan Kim & Dong-Yeon Lee, 2012. "Experimental Study on Frost Height of Round Plate Fin-Tube Heat Exchangers for Mobile Heat Pumps," Energies, MDPI, vol. 5(9), pages 1-13, September.
    • Handle: RePEc:gam:jeners:v:5:y:2012:i:9:p:3479-3491:d:19944
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    References listed on IDEAS

    as
    1. Byrne, Paul & Miriel, Jacques & Lenat, Yves, 2011. "Experimental study of an air-source heat pump for simultaneous heating and cooling – Part 2: Dynamic behaviour and two-phase thermosiphon defrosting technique," Applied Energy, Elsevier, vol. 88(9), pages 3072-3078.
    2. Shao, Liang-Liang & Yang, Liang & Zhang, Chun-Lu, 2010. "Comparison of heat pump performance using fin-and-tube and microchannel heat exchangers under frost conditions," Applied Energy, Elsevier, vol. 87(4), pages 1187-1197, April.
    3. Huang, Dong & Li, Quanxu & Yuan, Xiuling, 2009. "Comparison between hot-gas bypass defrosting and reverse-cycle defrosting methods on an air-to-water heat pump," Applied Energy, Elsevier, vol. 86(9), pages 1697-1703, September.
    4. Chung-Won Cho & Ho-Seong Lee & Jong-Phil Won & Moo-Yeon Lee, 2012. "Measurement and Evaluation of Heating Performance of Heat Pump Systems Using Wasted Heat from Electric Devices for an Electric Bus," Energies, MDPI, vol. 5(3), pages 1-12, March.
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    Cited by:

    1. Jianying Gong & Jianqiang Hou & Jinjuan Sun & Guojun Li & Tieyu Gao, 2018. "A Numerical Investigation of Frost Growth on Cold Surfaces Based on the Lattice Boltzmann Method," Energies, MDPI, vol. 11(8), pages 1-13, August.
    2. Ali Sadeghianjahromi & Saeid Kheradmand & Hossain Nemati & Jane-Sunn Liaw & Chi-Chuan Wang, 2018. "Compound Heat Transfer Enhancement of Wavy Fin-and-Tube Heat Exchangers through Boundary Layer Restarting and Swirled Flow," Energies, MDPI, vol. 11(8), pages 1-19, July.
    3. Qinghong Peng & Qungui Du, 2016. "Progress in Heat Pump Air Conditioning Systems for Electric Vehicles—A Review," Energies, MDPI, vol. 9(4), pages 1-17, March.
    4. Mustansar Hayat Saggu & Nadeem Ahmed Sheikh & Usama Muhammad Niazi & Muhammad Irfan & Adam Glowacz, 2020. "Predicting the Structural Reliability of LNG Processing Plate-Fin Heat Exchanger for Energy Conservation," Energies, MDPI, vol. 13(9), pages 1-22, May.
    5. Jingang Yang & Yaohua Zhao & Aoxue Chen & Zhenhua Quan, 2019. "Thermal Performance of a Low-Temperature Heat Exchanger Using a Micro Heat Pipe Array," Energies, MDPI, vol. 12(4), pages 1-16, February.

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