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Efficiency of Thermopressor Application in an Ejector Refrigeration Machine

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Advances in Design, Simulation and Manufacturing IV (DSMIE 2021)

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Abstract

This paper investigates the influence of using thermopressor devices in the heat using ejector refrigeration machine cycles. The thermopressor is a multifunctional apparatus in which refrigerant vapor is cooled, and a simultaneous pressure is increased. A calculation method was used to determine the thermodynamic and energy efficiency of a thermopressor as part of an ejector refrigeration machine. It is proposed to use the apparatus for cooling the vapor in front of the condenser. The calculation considered the pressure loss in the nozzle (confuser), the working chamber, the diffuser, and the frontal resistance of the injected liquid droplets. The thermopressor application in the ejector refrigeration machine cycle allows increasing the ejection coefficient and the ejector refrigeration machine thermal coefficient due to increasing the pressure. The expected increase in the thermal coefficient is 1.5–2.0%. The results obtained are an important contribution to the development of thermopressor technologies and can be used to design jet devices.

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Authors and Affiliations

  1. Admiral Makarov National University of Shipbuilding, 9, Heroes of Ukraine Avenue, Mykolayiv, 54025, Ukraine

    Dmytro Konovalov, Halina Kobalava, Andrii Radchenko, Oleksii Zielikov & Viktor Khaldobin

Authors
  1. Dmytro Konovalov
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  2. Halina Kobalava
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  3. Andrii Radchenko
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  4. Oleksii Zielikov
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  5. Viktor Khaldobin
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Editor information

Editors and Affiliations

  1. Sumy State University, Sumy, Ukraine

    Vitalii Ivanov

  2. Sumy State University, Sumy, Ukraine

    Ivan Pavlenko

  3. Sumy State university, Sumy, Ukraine

    Oleksandr Liaposhchenko

  4. University of Minho, Guimaräes, Portugal

    José Machado

  5. University of West Bohemia, Pilsen, Czech Republic

    Milan Edl

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Konovalov, D., Kobalava, H., Radchenko, A., Zielikov, O., Khaldobin, V. (2021). Efficiency of Thermopressor Application in an Ejector Refrigeration Machine. In: Ivanov, V., Pavlenko, I., Liaposhchenko, O., Machado, J., Edl, M. (eds) Advances in Design, Simulation and Manufacturing IV. DSMIE 2021. Lecture Notes in Mechanical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-030-77823-1_33

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  • DOI: https://doi.org/10.1007/978-3-030-77823-1_33

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  • Print ISBN: 978-3-030-77822-4

  • Online ISBN: 978-3-030-77823-1

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