Browse > Article
http://dx.doi.org/10.6110/KJACR.2014.26.11.529

A Study on the Performance Improvement of a Heat Pump System with a Dehumidification Function  

Ko, Gwang-Soo (Department of Mechanical Engineering, Graduate School, Jeju National University)
Kim, Taehyung (Department of Mechanical Engineering, Graduate School, Jeju National University)
Park, Youn Cheol (Department of Mechanical Engineering, Jeju National University)
Publication Information
Korean Journal of Air-Conditioning and Refrigeration Engineering / v.26, no.11, 2014 , pp. 529-534 More about this Journal
Abstract
This research developed a hybrid heat pump system with the functions of dehumidification and heating, which uses simulated air that is like underground air, from an environmental chamber as a heat source. The system consisted of three evaporators and three condensers that were installed in series in the air passage, between the underground and load space. As results, the total amount of dehumidification was 2.726 kg/h, and the heating $COP_h$ was 1.84 at air intake temperature $17^{\circ}C$ and relative humidity 70%, which is a similar condition to underground air. We found that the total amount of dehumidification also increased with the air temperature and humidity. The system $COP_s$ was reached at 2.5, if we include the latent heat of dehumidification in the conventional heat pump system's COP.
Keywords
Geothermal; Heat pump; Dehumidification; Series evaporator;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
연도 인용수 순위
1 Ko, J. W., Park, Y. C., and Ko, G. S., 2012, The performance evaluation of a ground air source heat for an air conditioning system, Proceedings of the SAREK 2012 Summer Annual Conference, pp. 781-784.
2 Park, Y. C. and Park, S. K., 2008, In-situ performance evaluation of a ground source heat pump for an air conditioning system, Journal of the Korean Society of Marine Engineering, pp. 66-72.   과학기술학회마을   DOI
3 Ko, D. G., 2010, A study on heating system applied ground source heat pump(GSHP) for the agriculture, MS thesis, Graduate School of Jeju National University.
4 Kim, J, Y., Jang, J. C., Kang, E. C., Chang, K. C., and Lee, E. J., 2009, A study on analysis of horizontal GSHP system operating for greenhouse, Proceedings of the KSME 2009 Autumn Annual Conference, pp. 2-3.
5 Ozgener, O. and Hepbasli, A., 2005, Experimental performance analysis of a solar assisted ground-source heat pump greenhouse heating system, Energy and Buildings, Vol. 37, No. 1, pp. 101-110.   DOI   ScienceOn
6 Hepbasli, A., 2002, Performance evaluation of a vertical ground-source heat pump system in Izmir, Turkey, International Journal of Energy Research, Vol. 26, No. 13, pp. 1121-1139.   DOI   ScienceOn
7 Hepbasli, A., Akdemir, O., and Hancioglu, E., 2003, Experimental study of a closed loop vertical ground source heat pump system, Energy Conversion and Management, Vol. 44, No. 4, pp. 527-548.   DOI   ScienceOn
8 Zhao, P. C., Zhao, L., Ding, G. L., and Zhang, C. L., 2002, Experimental research on geothermal heat pump system with non-azeotropic working fluids, Applied Thermal Engineering, Vol. 22, No. 15, pp. 1749-1761.   DOI   ScienceOn
9 Ko, J. W., Park, Y. C., Ko, G. S., 2014, An experimental study on a heat pump with dehumidification function to utilizing underground air heat, Korean Journal of Air-Conditioning and Refrigeration Engineering, Vol. 26, No. 2, pp. 55-61.   DOI
10 Ko, W. B., Ko, J. W., and Park, Y. C., 2014, Study on the development of heat pump system with a multistage dehumidification and heating function, Journal of the Korean Society of Marine Engineering, Vol. 38, No. 6, pp. 609-614.   DOI
11 Song, Y. H., 1998, Dehumidification by refrigeration, Korean Journal of Air-Conditioning and Refrigeration Engineering, Vol. 27, No. 6, pp. 548-552.   과학기술학회마을
12 Hong, S. E., 1997, Refrigeration engineering, Sejinsa, pp. 58-59.