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Statistical Entropy Analysis of Subcritical Refrigeration Cycles with Ejector as an Expansion Device

  • PROCESSES AND EQUIPMENT OF CHEMICAL AND OIL-AND-GAS TECHNOLOGIES
  • Section “Refrigeration and Air Conditioning”
  • Published:
Chemical and Petroleum Engineering Aims and scope

General expressions for statistical entropy analysis of vapor-compression refrigeration cycles are given. An open-source software for statistical entropy analysis of vapor-compression refrigeration cycles has been developed. Using the statistical entropy analysis method, two different refrigeration cycles that use an ejector as an expansion device were compared with 5 other cycles in which throttle valves are used as expansion devices. Calculations were made for two temperature levels: medium-temperature and low-temperature. Energy consumption levels are shown to depend on the cycle used and the boiling. The results showed the expedience and prospects of use of ejectors as expansion devices not only in transcritical, but also in subcritical refrigeration cycles.

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Notes

  1. Open Source projects licensed by MIT.

  2. From a cross between C# (C Sharp) и CoolProp.

  3. Vapor-compression refrigeration cycle.

  4. All other initial data remained unchanged.

References

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Authors and Affiliations

  1. Bauman Moscow State Technical University, Moscow, Russia

    V. V. Shishov & V. A. Portyanikhin

  2. Journal “Kholodil’naya Tekhnika” (Journal of Refrigeration Engineering), St. Petersburg, Russia

    M. S. Talyzin

Authors
  1. V. V. Shishov
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  2. V. A. Portyanikhin
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  3. M. S. Talyzin
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Corresponding author

Correspondence to V. A. Portyanikhin.

Additional information

Translated from Khimicheskoe i Neftegazovoe Mashinostroenie, Vol. 58, No. 12, pp. 17–22, December, 2022.

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Shishov, V.V., Portyanikhin, V.A. & Talyzin, M.S. Statistical Entropy Analysis of Subcritical Refrigeration Cycles with Ejector as an Expansion Device. Chem Petrol Eng 58, 1019–1029 (2023). https://doi.org/10.1007/s10556-023-01194-5

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  • DOI: https://doi.org/10.1007/s10556-023-01194-5

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