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Dehumidifier of vapor compression type is widely used to remove moisture of air in small capacity situations of dehumidification because of such advantages as lower price and very convenience. However, lower evaporating temperature than dew-point of air supply resulting in low energy efficiency is the main drawback. To overcome the barrier, a novel dehumidification system with zeotropic refrigerants has been proposed in the paper. The proposed system can achieve dual evaporating temperature and dual condensing temperature by using one regular single-stage compressor. Based on verified models, the performance for the proposed dehumidification system under different conditions has been investigated. The results implied that (1) compared to regular dehumidification system, the proposed system can enhance COP by 10.6%~14.5% and dehumidification efficiency by 7%~13.6% under different conditions; (2) the proposed system has good potential for small capacity dehumidification applications.
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- Original title: A novel dehumidification system using zeotropic refrigerants.
- Record ID : 30026788
- Languages: English
- Source: Proceedings of the 25th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
- Publication date: 2019/08/24
- DOI: http://dx.doi.org/10.18462/iir.icr.2019.1354
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