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Wet steam flow energy analysis within thermo-compressors

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  • Sharifi, Navid
  • Boroomand, Masoud
  • Kouhikamali, Ramin

Abstract

Thermo-compressors are widely used in industries for steam compression through a thermal process. Common methods of thermo-compressors analysis are based on the hypothesis of considering steam as a perfect gas. In this study, the deviation of thermo-compressor performance at wet steam conditions from the performance under the ideal gas assumption has been investigated. Firstly, a numerical method has been implemented to evaluate the formation of droplets due to condensation in a convergent–divergent nozzle. The results have been validated using existing experimental data for single nozzles. Afterwards, the verified numerical scheme has been applied to internal flow of the thermo-compressor. The formation of droplets due to condensation effect and the resulting supersonic core in the thermo-compressor have been deeply investigated. Finally, the effect of wet steam assumption on the performance characteristics of thermo-compressors has been presented.

Suggested Citation

  • Sharifi, Navid & Boroomand, Masoud & Kouhikamali, Ramin, 2012. "Wet steam flow energy analysis within thermo-compressors," Energy, Elsevier, vol. 47(1), pages 609-619.
    • Handle: RePEc:eee:energy:v:47:y:2012:i:1:p:609-619
    DOI: 10.1016/j.energy.2012.09.003
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    References listed on IDEAS

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    Citations

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    Cited by:

    1. Wang, Xiaodong & Dong, Jingliang & Li, Ao & Lei, Hongjian & Tu, Jiyuan, 2014. "Numerical study of primary steam superheating effects on steam ejector flow and its pumping performance," Energy, Elsevier, vol. 78(C), pages 205-211.
    2. 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.
    3. Momeni Dolatabadi, Amir & Moslehi, Jamshid & Saffari Pour, Mohsen & Mousavi Ajarostaghi, Seyed Soheil & Poncet, Sébastien & Arıcı, Müslüm, 2022. "Modified model of reduction condensing losses strategy into the wet steam flow considering efficient energy of steam turbine based on injection of nano-droplets," Energy, Elsevier, vol. 242(C).
    4. 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.
    5. Zhang, Guojie & Zhang, Xinzhe & Wang, Fangfang & Wang, Dingbiao & Jin, Zunlong & Zhou, Zhongning, 2019. "Design and optimization of novel dehumidification strategies based on modified nucleation model in three-dimensional cascade," Energy, Elsevier, vol. 187(C).
    6. Aliabadi, Mohammad Ali Faghih & Lakzian, Esmail & Khazaei, Iman & Jahangiri, Ali, 2020. "A comprehensive investigation of finding the best location for hot steam injection into the wet steam turbine blade cascade," Energy, Elsevier, vol. 190(C).
    7. 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.

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