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Simulation investigation on solar powered desiccant coated heat exchanger cooling system


  • Ge, T.S.
  • Dai, Y.J.
  • Li, Y.
  • Wang, R.Z.


Solar powered solid desiccant cooling system is a good alternative to conventional vapor compression system. In this paper, a novel solar driven desiccant coated heat exchanger cooling (SDCC) system is proposed. In order to validate the feasibility of such system and to predict system performance, an integrated system model is established by combing the mathematical models of different components. The model is adopted to evaluate system performance under Shanghai summer condition with high temperature as well as high humidity ratio. It is found that SDCC system can provide satisfied supply air to conditioned indoor space from 8:00 to 17:00 in June and July, the biggest cooling powers are 2.9kW and 3.5kW, and corresponding solar COP are 0.22 and 0.24 respectively. In August, the system needs relatively short switch time (less than 2min) to provide satisfied supply air, and the corresponding cooling power can reach to 5kW. To make a good compromise between system performance and system constitution, 2min is recommended as the switch time under simulated condition in August. Also, effects of main design parameters on system performance are calculated and discussed.

Suggested Citation

  • Ge, T.S. & Dai, Y.J. & Li, Y. & Wang, R.Z., 2012. "Simulation investigation on solar powered desiccant coated heat exchanger cooling system," Applied Energy, Elsevier, vol. 93(C), pages 532-540.
  • Handle: RePEc:eee:appene:v:93:y:2012:i:c:p:532-540
    DOI: 10.1016/j.apenergy.2011.11.089

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    References listed on IDEAS

    1. Eicker, Ursula & Schneider, Dietrich & Schumacher, Jürgen & Ge, Tianshu & Dai, Yanjun, 2010. "Operational experiences with solar air collector driven desiccant cooling systems," Applied Energy, Elsevier, vol. 87(12), pages 3735-3747, December.
    2. Enteria, Napoleon & Yoshino, Hiroshi & Satake, Akira & Mochida, Akashi & Takaki, Rie & Yoshie, Ryuichiro & Baba, Seizo, 2010. "Development and construction of the novel solar thermal desiccant cooling system incorporating hot water production," Applied Energy, Elsevier, vol. 87(2), pages 478-486, February.
    3. Ge, T.S. & Dai, Y.J. & Wang, R.Z. & Peng, Z.Z., 2010. "Experimental comparison and analysis on silica gel and polymer coated fin-tube heat exchangers," Energy, Elsevier, vol. 35(7), pages 2893-2900.
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    Cited by:

    1. Ramadan, M. & Khaled, M. & El Hage, H. & Harambat, F. & Peerhossaini, H., 2016. "Effect of air temperature non-uniformity on water–air heat exchanger thermal performance – Toward innovative control approach for energy consumption reduction," Applied Energy, Elsevier, vol. 173(C), pages 481-493.
    2. repec:eee:energy:v:137:y:2017:i:c:p:468-478 is not listed on IDEAS
    3. Chiang, Yuan-Ching & Chen, Chih-Hao & Chiang, Yi-Chin & Chen, Sih-Li, 2016. "Circulating inclined fluidized beds with application for desiccant dehumidification systems," Applied Energy, Elsevier, vol. 175(C), pages 199-211.
    4. Angrisani, Giovanni & Roselli, Carlo & Sasso, Maurizio, 2013. "Effect of rotational speed on the performances of a desiccant wheel," Applied Energy, Elsevier, vol. 104(C), pages 268-275.
    5. Baniyounes, Ali M. & Ghadi, Yazeed Yasin & Rasul, M.G. & Khan, M.M.K., 2013. "An overview of solar assisted air conditioning in Queensland's subtropical regions, Australia," Renewable and Sustainable Energy Reviews, Elsevier, vol. 26(C), pages 781-804.
    6. repec:spr:endesu:v:19:y:2017:i:4:d:10.1007_s10668-016-9796-5 is not listed on IDEAS
    7. Rambhad, Kishor S. & Walke, Pramod V. & Tidke, D.J., 2016. "Solid desiccant dehumidification and regeneration methods—A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 59(C), pages 73-83.
    8. Chua, K.J. & Chou, S.K. & Yang, W.M. & Yan, J., 2013. "Achieving better energy-efficient air conditioning – A review of technologies and strategies," Applied Energy, Elsevier, vol. 104(C), pages 87-104.
    9. repec:eee:energy:v:142:y:2018:i:c:p:96-107 is not listed on IDEAS
    10. Angrisani, Giovanni & Roselli, Carlo & Sasso, Maurizio, 2015. "Experimental assessment of the energy performance of a hybrid desiccant cooling system and comparison with other air-conditioning technologies," Applied Energy, Elsevier, vol. 138(C), pages 533-545.
    11. Kojok, Farah & Fardoun, Farouk & Younes, Rafic & Outbib, Rachid, 2016. "Hybrid cooling systems: A review and an optimized selection scheme," Renewable and Sustainable Energy Reviews, Elsevier, vol. 65(C), pages 57-80.
    12. Wang, H.H. & Ge, T.S. & Zhang, X.L. & Zhao, Y., 2016. "Experimental investigation on solar powered self-cooled cooling system based on solid desiccant coated heat exchanger," Energy, Elsevier, vol. 96(C), pages 176-186.
    13. Zhang, Guiying & Tian, Changqing & Shao, Shuangquan, 2014. "Experimental investigation on adsorption and electro-osmosis regeneration of macroporous silica gel desiccant," Applied Energy, Elsevier, vol. 136(C), pages 1010-1017.
    14. Bao, Huashan & Ma, Zhiwei & Roskilly, Anthony Paul, 2017. "Chemisorption power generation driven by low grade heat – Theoretical analysis and comparison with pumpless ORC," Applied Energy, Elsevier, vol. 186(P3), pages 282-290.
    15. Guo, Jinyi & Lin, Simao & Bilbao, Jose I. & White, Stephen D. & Sproul, Alistair B., 2017. "A review of photovoltaic thermal (PV/T) heat utilisation with low temperature desiccant cooling and dehumidification," Renewable and Sustainable Energy Reviews, Elsevier, vol. 67(C), pages 1-14.


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