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Experimental Investigation of the Steam Ejector in a Single-Effect Thermal Vapor Compression Desalination System Driven by a Low-Temperature Heat Source

Author

Listed:
  • Jingming Dong

    (Institute of Marine Engineering and Thermal Science, Marine Engineering College, Dalian Maritime University, Dalian 116026, China)

  • Weining Wang

    (Institute of Marine Engineering and Thermal Science, Marine Engineering College, Dalian Maritime University, Dalian 116026, China)

  • Zhitao Han

    (Institute of Marine Engineering and Thermal Science, Marine Engineering College, Dalian Maritime University, Dalian 116026, China)

  • Hongbin Ma

    (Department of Mechanical & Aerospace Engineering, University of Missouri, Columbia, MO 65211, USA)

  • Yangbo Deng

    (Institute of Marine Engineering and Thermal Science, Marine Engineering College, Dalian Maritime University, Dalian 116026, China)

  • Fengmin Su

    (Institute of Marine Engineering and Thermal Science, Marine Engineering College, Dalian Maritime University, Dalian 116026, China)

  • Xinxiang Pan

    (Institute of Marine Engineering and Thermal Science, Marine Engineering College, Dalian Maritime University, Dalian 116026, China)

Abstract

The paper presents an experimental investigation of a steam ejector in a single-effect thermal vapor compression (S-TVC) desalination system driven by a low-temperature (below 100 °C) heat source. To investigate the performance of the steam ejector in the S-TVC desalination system, an experimental steam ejector system was designed and built. The influences of the nozzle exit position (NXP), operating temperatures, and the area ratio of the ejector (AR) on the steam ejector performance were investigated at primary steam temperatures ranging from 40 °C to 70 °C, and at secondary steam temperatures ranging from 10 °C to 25 °C. The experimental results showed that the steam ejector can work well in the S-TVC desalination system driven by a low-temperature heat source below 100 °C. The steam ejector could achieve a higher coefficient of performance (COP) by decreasing the primary steam temperature, increasing the secondary steam temperature, and increasing the AR. The steam ejector could also be operated at a higher critical condensation temperature by increasing the primary steam temperature and secondary steam temperature, and decreasing the AR. This study will allow S-TVC desalination to compete with adsorption desalination (AD).

Suggested Citation

  • Jingming Dong & Weining Wang & Zhitao Han & Hongbin Ma & Yangbo Deng & Fengmin Su & Xinxiang Pan, 2018. "Experimental Investigation of the Steam Ejector in a Single-Effect Thermal Vapor Compression Desalination System Driven by a Low-Temperature Heat Source," Energies, MDPI, vol. 11(9), pages 1-13, August.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:9:p:2282-:d:166625
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    References listed on IDEAS

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    4. Thu, Kyaw & Kim, Young-Deuk & Shahzad, Muhammad Wakil & Saththasivam, Jayaprakash & Ng, Kim Choon, 2015. "Performance investigation of an advanced multi-effect adsorption desalination (MEAD) cycle," Applied Energy, Elsevier, vol. 159(C), pages 469-477.
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    Cited by:

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    2. Shizhen Li & Wei Li & Yanjun Liu & Chen Ji & Jingzhi Zhang, 2020. "Experimental Investigation of the Performance and Spray Characteristics of a Supersonic Two-Phase Flow Ejector with Different Structures," Energies, MDPI, vol. 13(5), pages 1-17, March.
    3. Bartosz Gil & Zbigniew Rogala & Paweł Dorosz, 2019. "Pool Boiling Heat Transfer Coefficient of Low-Pressure Glow Plasma Treated Water at Atmospheric and Reduced Pressure," Energies, MDPI, vol. 13(1), pages 1-13, December.
    4. Tongchana Thongtip & Natthawut Ruangtrakoon, 2021. "Real Air-Conditioning Performance of Ejector Refrigerator Based Air-Conditioner Powered by Low Temperature Heat Source," Energies, MDPI, vol. 14(3), pages 1-20, January.

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