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Experimental investigation on solar powered self-cooled cooling system based on solid desiccant coated heat exchanger

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  • Wang, H.H.
  • Ge, T.S.
  • Zhang, X.L.
  • Zhao, Y.

Abstract

The objective of this paper is to validate the practical performance of a novel self-cooled solid desiccant cooling system which consists of DCHE (desiccant coated heat exchanger) and regenerative evaporative cooler. In the system, part of the outlet air from the desiccant coated heat exchanger is pumped into the evaporative cooler to produce cooling water adopted in the dehumidification process. The heating water required in the regeneration process is coming from the vacuum tube solar collector system. An experimental setup is designed and built to test the performance of the new system. The average moisture removal Dave and thermal coefficient of performance COPth are utilized as the performance indices. It is found that the SDCHE (self-cooled solid desiccant coated heat exchanger) system has better moisture removal capacity compared with the solid desiccant coated heat exchanger system, and higher thermal coefficient of performance COPth is also obtained by SDCHE system. The average moisture removal Dave and COPth of SDCHE system are about 17% and 6% higher than that of DCHE system under similar operating condition. While other parameters remaining the same, the moisture removal Dave and thermal coefficient of performance COPth increases significantly with increasing inlet humidity ratio.

Suggested Citation

  • 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.
    • Handle: RePEc:eee:energy:v:96:y:2016:i:c:p:176-186
    DOI: 10.1016/j.energy.2015.12.067
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    References listed on IDEAS

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    Cited by:

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    3. Vivekh, P. & Kumja, M. & Bui, D.T. & Chua, K.J., 2018. "Recent developments in solid desiccant coated heat exchangers – A review," Applied Energy, Elsevier, vol. 229(C), pages 778-803.
    4. Bianfeng, Yang & Cong, Wang & Ji, Xu & Yuan, Yang & Yingxu, Chen & Junneng, Nie, 2024. "Solar regenerated carbon-based composite desiccant coated heat exchangers for air dehumidification," Energy, Elsevier, vol. 299(C).
    5. Venegas, Tomas & Qu, Ming & Nawaz, Kashif & Wang, Lingshi, 2021. "Critical review and future prospects for desiccant coated heat exchangers: Materials, design, and manufacturing," Renewable and Sustainable Energy Reviews, Elsevier, vol. 151(C).
    6. Feng, Y.H. & Dai, Y.J. & Wang, R.Z. & Ge, T.S., 2022. "Insights into desiccant-based internally-cooled dehumidification using porous sorbents: From a modeling viewpoint," Applied Energy, Elsevier, vol. 311(C).
    7. Zheng, Xu & Wan, Tinghao & Zhang, Yu & Ma, Qianling, 2024. "Experimental investigation of a thermo-responsive composite coated heat exchanger for ultra-low grade heat utilization," Energy, Elsevier, vol. 293(C).
    8. Sun, X.Y. & Dai, Y.J. & Ge, T.S. & Zhao, Y. & Wang, R.Z., 2017. "Comparison of performance characteristics of desiccant coated air-water heat exchanger with conventional air-water heat exchanger – Experimental and analytical investigation," Energy, Elsevier, vol. 137(C), pages 399-411.
    9. She, Xiaohui & Cong, Lin & Nie, Binjian & Leng, Guanghui & Peng, Hao & Chen, Yi & Zhang, Xiaosong & Wen, Tao & Yang, Hongxing & Luo, Yimo, 2018. "Energy-efficient and -economic technologies for air conditioning with vapor compression refrigeration: A comprehensive review," Applied Energy, Elsevier, vol. 232(C), pages 157-186.
    10. Wansheng Yang & Hao Deng & Zhangyuan Wang & Xudong Zhao & Song He, 2017. "Performance Investigation of the Novel Solar-Powered Dehumidification Window for Residential Buildings," Energies, MDPI, vol. 10(9), pages 1-17, September.
    11. Mamourian, Mojtaba & Milani Shirvan, Kamel & Mirzakhanlari, Soroush, 2016. "Two phase simulation and sensitivity analysis of effective parameters on turbulent combined heat transfer and pressure drop in a solar heat exchanger filled with nanofluid by Response Surface Methodol," Energy, Elsevier, vol. 109(C), pages 49-61.
    12. Valarezo, Andres S. & Sun, X.Y. & Ge, T.S. & Dai, Y.J. & Wang, R.Z., 2019. "Experimental investigation on performance of a novel composite desiccant coated heat exchanger in summer and winter seasons," Energy, Elsevier, vol. 166(C), pages 506-518.
    13. Xu, F. & Bian, Z.F. & Ge, T.S. & Dai, Y.J. & Wang, C.H. & Kawi, S., 2019. "Analysis on solar energy powered cooling system based on desiccant coated heat exchanger using metal-organic framework," Energy, Elsevier, vol. 177(C), pages 211-221.

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