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A novel simulation method for CO2 ejector containing lubricant oil.

Author(s) : LIU Y., LIU F., LIU H.

Type of article: IJR article

Summary

In this paper, a novel simulation method (zoning simulation) for the CO2 ejector containing lubricant oil is established. Firstly, the feasibility of the zoning simulation method is verified. Subsequently, the phase change model and turbulence model are selected for each section when using the zoning simulation method. The average relative discrepancy of entrainment ratio using zoning simulation is 8.696%, and the average relative discrepancy of entrainment ratio using overall simulation is 14.118%. The results demonstrate that the predicted entrainment ratio using zoning simulation outperforms entrainment ratio using overall simulation. Introducing the concepts of relative temperature and relative pressure, the average relative discrepancy of entrainment ratio using zoning simulation is reduced to 4.620 %, when both relative temperature and relative pressure greater than 1.

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Pages: 277-289

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Details

  • Original title: A novel simulation method for CO2 ejector containing lubricant oil.
  • Record ID : 30032475
  • Languages: English
  • Subject: Technology
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 165
  • Publication date: 2024/09
  • DOI: http://dx.doi.org/10.1016/j.ijrefrig.2024.06.009

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