Korean Journal of Air-Conditioning and Refrigeration Engineering (설비공학논문집)

The Society of Air-Conditioning and Refrigerating Engineers of Korea (대한설비공학회)
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Experimental Study on the Heat Transfer Capacity and Dehumidification Performance of a Parallel Flow Evaporator for a Heat Pump Dryer

히트펌프 건조기용 PF 증발기의 능력과 제습량 실험 연구

  • Received : 2013.03.14
  • Published : 2013.09.10
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Abstract

In the present study, the performances of a fin-tube evaporator and three PF evaporators for a heat pump dryer were experimentally investigated. Among the tested evaporators, the PF3 type evaporator showed the highest values of heat transfer capacity and dehumidification performance, while the fin-tube evaporator had the lowest values. PF3 showed better performance compared to PF1 and PF2, due to the large pin pitch, which leads to more draining for dehumidified water. Also, the $45^{\circ}$ inclined PF evaporator presented better performance than that of the $90^{\circ}$ inclined PF evaporator, owing to its easier draining characteristics. The effect of air velocity was revealed to be quite large. When the air velocity increased by 20%, the heat transfer capacity and dehumidification performance increased 43%/11%, 48%/13% and 54%/23% for PF1, PF2 and PF3, respectively.

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References

  1. Son, Y. W., Lee, J. H., Kim, M. H., and Shin, D. S., 2008, Experimental performance of plate fin-tube condenser for the household refrigerator, Proceedings of the SAREK, pp. 94-99.
  2. Oh, S. K., Ko, C. S., Jang, D. Y., Sa, Y. C., Oh, S. Y., and Chung, B. Y., 2003, An experimental study on the wet performance of flat tube heat exchanger, Proceedings of the SAREK 2003, Summer Annual Conference, pp. 263-267.
  3. Bae, T. S. and Han, C. S., 1996, A feasibility steady on room air conditioner with parallel flow condenser, Proceedings of the SAREK, pp. 402-407.
  4. Kim, M. H., Youn, B., and Bullard, C. W., 2001, Effect of inclination on the air-side performance of a brazed aluminum heat exchanger under dry and wet conditions, Int. Journal of Heat and Mass Transfer Vol. 44, pp. 4613-4623. https://doi.org/10.1016/S0017-9310(01)00104-1
  5. Lee, K. W., Lee, K. J., Kim, J. S., Kwon, Y. C., and Chang, K. S., 2011, Experimental study on performance of PF heat exchanger for heat pump dryer, Proceedings of the SAREK, pp. 1104-1106.
  6. Korean Standards Association, 2003, KS air-conditioner: KS C 9306.
  7. Kim, D. Y., Cho, J. P., Kim, N. H., Park, N. H., and Hwang, J. H., 2008, Air-side performance of aluminum heat exchangers at different inclination angle, Proceedings of the SAREK, pp. 181-188.

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  1. A Study on Evaporator Front Air Velocity of Small Refrigeration Ceiling Dehumidifier vol.28, pp.4, 2016, https://doi.org/10.13000/JFMSE.2016.28.4.1107