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CFD investigation on the flow structure inside thermo vapor compressor

Author

Listed:
  • Ji, MyoungKuk
  • Utomo, Tony
  • Woo, JuSik
  • Lee, YongHun
  • Jeong, HyoMin
  • Chung, HanShik

Abstract

Thermo vapor compressor (TVC) is simply a steam ejector employed in multi-effect desalination (MED) system. A greater understanding of flow phenomena inside an ejector is important for improving ejector performance. We conducted a computational fluid dynamics (CFD) investigation into the flow structure inside a steam ejector. The study focused on the effects of operating pressure and ejector geometry on the flow structure and performance of the steam ejector. The CFD results were verified with available experimental data. The angle of the converging duct considered the geometrical parameter in this study was varied as 0, 0.5, 1, 2, 3.5 and 4.5°. The ejector with a converging duct angle of 1° has the best performance.

Suggested Citation

  • Ji, MyoungKuk & Utomo, Tony & Woo, JuSik & Lee, YongHun & Jeong, HyoMin & Chung, HanShik, 2010. "CFD investigation on the flow structure inside thermo vapor compressor," Energy, Elsevier, vol. 35(6), pages 2694-2702.
    • Handle: RePEc:eee:energy:v:35:y:2010:i:6:p:2694-2702
    DOI: 10.1016/j.energy.2009.12.002
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    Citations

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    Cited by:

    1. Tang, Yongzhi & Liu, Zhongliang & Shi, Can & Li, Yanxia, 2018. "A novel steam ejector with pressure regulation to optimize the entrained flow passage for performance improvement in MED-TVC desalination system," Energy, Elsevier, vol. 158(C), pages 305-316.
    2. Tang, Yongzhi & Liu, Zhongliang & Li, Yanxia & Shi, Can & Lv, Chen, 2019. "A combined pressure regulation technology with multi-optimization of the entrainment passage for performance improvement of the steam ejector in MED-TVC desalination system," Energy, Elsevier, vol. 175(C), pages 46-57.
    3. Luo, Chending & Zhang, Na & Lior, Noam & Lin, Hu, 2011. "Proposal and analysis of a dual-purpose system integrating a chemically recuperated gas turbine cycle with thermal seawater desalination," Energy, Elsevier, vol. 36(6), pages 3791-3803.
    4. Feng, Haodong & Yao, Ailing & Han, Qingyang & Zhang, Hailun & Jia, Lei & Sun, Wenxu, 2024. "Effect of droplets in the primary flow on ejector performance of MED-TVC systems," Energy, Elsevier, vol. 293(C).
    5. Lamberts, Olivier & Chatelain, Philippe & Bourgeois, Nicolas & Bartosiewicz, Yann, 2018. "The compound-choking theory as an explanation of the entrainment limitation in supersonic ejectors," Energy, Elsevier, vol. 158(C), pages 524-536.
    6. Ariafar, Kavous & Buttsworth, David & Al-Doori, Ghassan & Malpress, Ray, 2015. "Effect of mixing on the performance of wet steam ejectors," Energy, Elsevier, vol. 93(P2), pages 2030-2041.
    7. Sharifi, Navid & Boroomand, Masoud & Kouhikamali, Ramin, 2012. "Wet steam flow energy analysis within thermo-compressors," Energy, Elsevier, vol. 47(1), pages 609-619.
    8. Song, Tao & Tian, Jinyi & Ni, Long & Shen, Chao & Yao, Yang, 2018. "Experimental study on enhanced separation of a novel de-foulant hydrocyclone with a reflux ejector," Energy, Elsevier, vol. 163(C), pages 490-500.
    9. Ravi Koirala & Quoc Linh Ve & Eliza Rupakheti & Kiao Inthavong & Abhijit Date, 2023. "Design Enhancement of Eductor for Active Vapor Transport and Condensation during Two-Phase Single-Species Flow," Energies, MDPI, vol. 16(3), pages 1-22, January.
    10. Yang Tang & Peng Zhao & Xiaoyu Fang & Guorong Wang & Lin Zhong & Xushen Li, 2022. "Numerical Simulation on Erosion Wear Law of Pressure-Controlled Injection Tool in Solid Fluidization Exploitation of the Deep-Water Natural Gas Hydrate," Energies, MDPI, vol. 15(15), pages 1-17, July.
    11. Tashtoush, Bourhan M. & Al-Nimr, Moh'd A. & Khasawneh, Mohammad A., 2019. "A comprehensive review of ejector design, performance, and applications," Applied Energy, Elsevier, vol. 240(C), pages 138-172.
    12. Sharifi, Navid & Sharifi, Majid, 2014. "Reducing energy consumption of a steam ejector through experimental optimization of the nozzle geometry," Energy, Elsevier, vol. 66(C), pages 860-867.
    13. Ariafar, Kavous & Buttsworth, David & Al-Doori, Ghassan & Sharifi, Navid, 2016. "Mixing layer effects on the entrainment ratio in steam ejectors through ideal gas computational simulations," Energy, Elsevier, vol. 95(C), pages 380-392.
    14. Li, Qubo & Piechna, Janusz & Müller, Norbert, 2011. "Numerical simulation of novel axial impeller patterns to compress water vapor as refrigerant," Energy, Elsevier, vol. 36(5), pages 2773-2781.
    15. 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.
    16. Ahmadpour, A. & Noori Rahim Abadi, S.M.A. & Meyer, J.P., 2017. "On the performance enhancement of thermo-compressor and steam turbine blade cascade in the presence of spontaneous nucleation," Energy, Elsevier, vol. 119(C), pages 675-693.
    17. Zhu, Hongjun & Lin, Pengzhi & Pan, Qian, 2014. "A CFD (computational fluid dynamic) simulation for oil leakage from damaged submarine pipeline," Energy, Elsevier, vol. 64(C), pages 887-899.
    18. Li, Shengyu & Yan, Jia & Liu, Zhan & Yao, Yong & Li, Xianbi & Wen, Na & Zou, Guorong, 2019. "Optimization on crucial ejector geometries in a multi-evaporator refrigeration system for tropical region refrigerated trucks," Energy, Elsevier, vol. 189(C).

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