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Performance Enhancement of Hybrid Solid Desiccant Cooling Systems by Integrating Solar Water Collectors in Taiwan

Author

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  • Win-Jet Luo

    (Graduate Institute of Precision Manufacturing Engineering, National Chin-Yi University of Technology, Zhongshan Rd., Taiping Dist., Taichung 41170, Taiwan)

  • Dini Faridah

    (Graduate Institute of Precision Manufacturing Engineering, National Chin-Yi University of Technology, Zhongshan Rd., Taiping Dist., Taichung 41170, Taiwan)

  • Fikri Rahmat Fasya

    (Department of Refrigeration, Air Conditioning and Energy Engineering, National Chin-Yi University of Technology, Zhongshan Rd., Taiping Dist., Taichung 41170, Taiwan)

  • Yu-Sheng Chen

    (Department of Refrigeration, Air Conditioning and Energy Engineering, National Chin-Yi University of Technology, Zhongshan Rd., Taiping Dist., Taichung 41170, Taiwan)

  • Fikri Hizbul Mulki

    (Department of Refrigeration, Air Conditioning and Energy Engineering, National Chin-Yi University of Technology, Zhongshan Rd., Taiping Dist., Taichung 41170, Taiwan)

  • Utami Nuri Adilah

    (Department of Refrigeration and Air Conditioning Engineering, Politeknik Negeri Bandung, Gegerkalong Hilir Rd., Parongpong Dist., Bandung 40012, Indonesia)

Abstract

A hybrid solid desiccant cooling system (SDCS), which combines a solid desiccant system and a vapor compression system, is considered to be an excellent alternative for commercial and residential air conditioning systems. In this study, a solar-assisted hybrid SDCS system was developed in which solar-heated water is used as an additional heat source for the regeneration process, in addition to recovering heat from the condenser of an integrated heat pump. A solar thermal collector sub-system is used to generate solar regeneration water. Experiments were conducted in the typically hot and humid weather of Taichung, Taiwan, from the spring to fall seasons. The experimental results show that the overall performance of the system in terms of power consumption can be enhanced by approximately 10% by integrating a solar-heated water heat exchanger in comparison to the hybrid SDCS system. The results show that the system performs better when the outdoor humidity ratio is large. In addition, regarding the effect of ambient temperature on the coefficient of performance (COP) of the systems, a critical value of outdoor temperature exists. The COP of the systems gradually rises with the increase in ambient temperature. However, when the ambient temperature is greater than the critical value, the COP gradually decreases with the increase in ambient temperature. The critical outdoor temperature of the hybrid SDCS is from 26 °C to 27 °C, and the critical temperature of the solar-assisted hybrid SDCS is from 27 °C to 30 °C.

Suggested Citation

  • Win-Jet Luo & Dini Faridah & Fikri Rahmat Fasya & Yu-Sheng Chen & Fikri Hizbul Mulki & Utami Nuri Adilah, 2019. "Performance Enhancement of Hybrid Solid Desiccant Cooling Systems by Integrating Solar Water Collectors in Taiwan," Energies, MDPI, vol. 12(18), pages 1-18, September.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:18:p:3470-:d:265461
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    References listed on IDEAS

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    Cited by:

    1. Kun-Ying Li & Win-Jet Luo & Bo-Yi Tsai & Yean-Der Kuan, 2020. "Performance Analysis of Two-Stage Solid Desiccant Densely Coated Heat Exchangers," Sustainability, MDPI, vol. 12(18), pages 1-19, September.
    2. Shuo Liu & Chang-Ho Jeong & Myoung-Souk Yeo, 2020. "Effect of Evaporator Position on Heat Pump Assisted Solid Desiccant Cooling Systems," Energies, MDPI, vol. 13(22), pages 1-21, November.
    3. Elena Belyanovskaya & Miroslav Rimár & Roman D. Lytovchenko & Miroslav Variny & Kostyantyn M. Sukhyy & Oleksandr O. Yeromin & Mikhailo P. Sykhyy & Elena M. Prokopenko & Irina V. Sukha & Mikhailo V. Gu, 2020. "Performance of an Adsorptive Heat-Moisture Regenerator Based on Silica Gel–Sodium Sulphate," Sustainability, MDPI, vol. 12(14), pages 1-15, July.
    4. Teen-Hang Meen & Wenbing Zhao & Cheng-Fu Yang, 2020. "Special Issue on Selected Papers from IEEE ICKII 2019," Energies, MDPI, vol. 13(8), pages 1-5, April.
    5. Win-Jet Luo & Cheng-Yan Lin & Nai-Feng Wu & Zhi-Qun Xu, 2020. "Performance Enhancement of a Sludge Continuous Feed Heat Pump Drying System by Air Deflectors and Auxiliary Cooling Subsystems," Energies, MDPI, vol. 13(24), pages 1-22, December.
    6. Win Jet Luo & Kun Ying Li & Jeng Min Huang & Chong Kai Yu, 2020. "Water Heating and Operational Mode Switching Effects on the Performance of a Multifunctional Heat Pump," Energies, MDPI, vol. 13(18), pages 1-25, September.
    7. Bivas Panigrahi & Yu Sheng Chen & Win Jet Luo & Hung Wei Wang, 2020. "Dehumidification Effect of Polymeric Superabsorbent SAP-LiCl Composite Desiccant-Coated Heat Exchanger with Different Cyclic Switching Time," Sustainability, MDPI, vol. 12(22), pages 1-16, November.

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