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An Innovative Air Conditioning System for Changeable Heat Loads

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Advanced Manufacturing Processes (InterPartner 2019)

Part of the book series: Lecture Notes in Mechanical Engineering ((LNME))

Abstract

The efficiency of air conditioning (AC) systems depends on the operation of their air coolers at varying heat loads in response to current changeable climatic conditions. In general case, an overall heat load of any AC system comprises the unstable range, corresponding to ambient air processing with heat load fluctuations, and a comparatively stable part for subsequent air subcooling. Following from this approach, a rational design overall heat load is chosen to provide a maximum annular refrigeration capacity generation and divided into a comparatively stable basic part and a remaining part for ambient air precooling at changeable heat loads. The ambient air precooling mode with considerable heat load fluctuation needs load modulation, whereas the comparatively stable heat load range can be covered by operation at about nominal mode. According to modern trend in AC systems the load modulation is performed by varying refrigerant feed to air coolers in Variable Refrigerant Flow (VRF) system. But with this the problem of inefficient operation of air coolers caused by dry-out of inner walls at the final stage of inside tube refrigerant evaporation followed by dropping the intensity of heat transfer remains unsolved. As alternative approach of the heat load modulation in AC systems there is a concept of incomplete refrigerant evaporation with overfilling air coils that leads to excluding a dry-out of inner surface of air coils and is realized through liquid refrigerant recirculation by injector (jet pump).

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Author information

Authors and Affiliations

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

    Eugeniy Trushliakov, Mykola Radchenko, Roman Radchenko & Serhiy Kantor

  2. Koszalin University of Technology, 2 Śniadeckich Street, 75-453, Koszalin, Poland

    Tadeush Bohdal

Authors
  1. Eugeniy Trushliakov
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  2. Mykola Radchenko
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  3. Tadeush Bohdal
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  4. Roman Radchenko
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  5. Serhiy Kantor
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Corresponding author

Correspondence to Mykola Radchenko .

Editor information

Editors and Affiliations

  1. Odessa National Polytechnic University, Odessa, Ukraine

    Volodymyr Tonkonogyi

  2. Sumy State University, Sumy, Ukraine

    Vitalii Ivanov

  3. Poznan University of Technology, Poznan, Poland

    Justyna Trojanowska

  4. Odessa National Polytechnic University, Odessa, Ukraine

    Gennadii Oborskyi

  5. University of West Bohemia, Plzeň, Czech Republic

    Milan Edl

  6. University of Zilina, Zilina, Slovakia

    Ivan Kuric

  7. Sumy State University, Sumy, Ukraine

    Ivan Pavlenko

  8. High Technical Mechanical School of Professional Studies, Trstenik, Serbia

    Predrag Dasic

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Trushliakov, E., Radchenko, M., Bohdal, T., Radchenko, R., Kantor, S. (2020). An Innovative Air Conditioning System for Changeable Heat Loads. In: Tonkonogyi, V., et al. Advanced Manufacturing Processes. InterPartner 2019. Lecture Notes in Mechanical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-030-40724-7_63

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  • DOI: https://doi.org/10.1007/978-3-030-40724-7_63

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-40723-0

  • Online ISBN: 978-3-030-40724-7

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