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Ejectors are utilized across various industries, including petrochemical, power plants, refrigeration cycles, and desalination plants, highlighting the significance of analyzing this equipment. In this research, the aim is to investigate the effects of primary flow at different temperatures and pressures on shocks within the ejector. To achieve this goal, eight cases were examined and compared with the original case. Water was chosen as the working fluid, and the ejector was modeled as two-phase. Ultimately, the results indicated that increasing the inlet temperature delays condensation shock and reduces the Droplet Nucleation Rate (DNR). Moreover, increasing the inlet pressure decreases the Liquid Mass Fraction (LMF).

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Numerical Investigation the Effects Inlet Conditions on the Location of the Nonequilibrium Condensation and Aerodynamic Shocks in the Multiphase Ejector

  • 会议论文

  • 发表日期：

    2025年

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  • Esmail Lakzian,
  • Daryoush Dadpour,
  • Mohammad Gholizadeh,
  • Heuy Dong Kim

摘要

Ejectors are utilized across various industries, including petrochemical, power plants, refrigeration cycles, and desalination plants, highlighting the significance of analyzing this equipment. In this research, the aim is to investigate the effects of primary flow at different temperatures and pressures on shocks within the ejector. To achieve this goal, eight cases were examined and compared with the original case. Water was chosen as the working fluid, and the ejector was modeled as two-phase. Ultimately, the results indicated that increasing the inlet temperature delays condensation shock and reduces the Droplet Nucleation Rate (DNR). Moreover, increasing the inlet pressure decreases the Liquid Mass Fraction (LMF).