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Advanced Method of Variable Refrigerant Flow (VRF) System Design to Forecast on Site Operation—Part 3: Optimal Solutions to Minimize Sizes

Author

Listed:
  • Mykola Radchenko

    (Machinebuilding Institute, Admiral Makarov National University of Shipbuilding, Heroes of Ukraine Avenue 9, 54025 Mykolayiv, Ukraine)

  • Andrii Radchenko

    (Machinebuilding Institute, Admiral Makarov National University of Shipbuilding, Heroes of Ukraine Avenue 9, 54025 Mykolayiv, Ukraine)

  • Eugeniy Trushliakov

    (Department of Air Conditioning and Refrigeration, Admiral Makarov National University of Shipbuilding, Heroes of Ukraine Avenue 9, 54025 Mykolayiv, Ukraine)

  • Anatoliy Pavlenko

    (Department of Building Physics and Renewable Energy, Kielce University of Technology, Avenue of 1000 Years of the Polish State, 7, 25-314 Kielce, Poland)

  • Roman Radchenko

    (Machinebuilding Institute, Admiral Makarov National University of Shipbuilding, Heroes of Ukraine Avenue 9, 54025 Mykolayiv, Ukraine)

Abstract

Outdoor air conditioning systems (ACS) are used as autonomic systems as well as in combined outdoor and indoor ACS of the variable refrigerant flow (VRF) type, with variable speed compressors (VSC) as their advanced version. Methods for determining the optimal value of refrigeration capacity and providing the maximum rate of the summarized annual refrigeration energy generation increment, according to its needs at minimum compressor sizes and rational values, are applied to reveal the reserves for reducing the designed (installed) refrigeration capacity, thus enabling us to practically achieve maximum annual refrigeration energy generation as the primary criterion at the second stage of the general design methodology previously developed by the authors. The principle of sharing the total thermal load on the ACS between the ranges of changeable loads for outdoor air precooling, and a relatively stable load range for further processing air are used as its basis. According to this principle, the changeable thermal load range is chosen as the object for energy saving by recuperating the excessive refrigeration generated at lowered loading in order to compensate for the increased loads, thereby matching actual duties at a reduced designed refrigeration capacity. The method allows us to determine the corresponding level of regulated loads (LRL) of SRC and the load range of compressor operation to minimize sizes.

Suggested Citation

  • Mykola Radchenko & Andrii Radchenko & Eugeniy Trushliakov & Anatoliy Pavlenko & Roman Radchenko, 2023. "Advanced Method of Variable Refrigerant Flow (VRF) System Design to Forecast on Site Operation—Part 3: Optimal Solutions to Minimize Sizes," Energies, MDPI, vol. 16(5), pages 1-18, March.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:5:p:2417-:d:1086467
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    References listed on IDEAS

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    1. Andrii Radchenko & Mykola Radchenko & Hanna Koshlak & Roman Radchenko & Serhiy Forduy, 2022. "Enhancing the Efficiency of Integrated Energy Systems by the Redistribution of Heat Based on Monitoring Data," Energies, MDPI, vol. 15(22), pages 1-18, November.
    2. Zongming Yang & Volodymyr Korobko & Mykola Radchenko & Roman Radchenko, 2022. "Improving Thermoacoustic Low-Temperature Heat Recovery Systems," Sustainability, MDPI, vol. 14(19), pages 1-16, September.
    3. Anatoliy M. Pavlenko & Hanna Koshlak, 2021. "Application of Thermal and Cavitation Effects for Heat and Mass Transfer Process Intensification in Multicomponent Liquid Media," Energies, MDPI, vol. 14(23), pages 1-19, November.
    4. Marcin Kruzel & Tadeusz Bohdal & Krzysztof Dutkowski & Mykola Radchenko, 2022. "The Effect of Microencapsulated PCM Slurry Coolant on the Efficiency of a Shell and Tube Heat Exchanger," Energies, MDPI, vol. 15(14), pages 1-11, July.
    5. Yusung Lee & Woohyun Kim, 2021. "Development of an Optimal Start Control Strategy for a Variable Refrigerant Flow (VRF) System," Energies, MDPI, vol. 14(2), pages 1-17, January.
    6. Marcin Kruzel & Tadeusz Bohdal & Krzysztof Dutkowski & Waldemar Kuczyński & Katarzyna Chliszcz, 2022. "Current Research Trends in the Process of Condensation of Cooling Zeotropic Mixtures in Compact Condensers," Energies, MDPI, vol. 15(6), pages 1-16, March.
    7. Wajs, Jan & Mikielewicz, Dariusz & Jakubowska, Blanka, 2018. "Performance of the domestic micro ORC equipped with the shell-and-tube condenser with minichannels," Energy, Elsevier, vol. 157(C), pages 853-861.
    8. Waldemar Kuczyński & Marcin Kruzel & Katarzyna Chliszcz, 2022. "Regression Model of Dynamic Pulse Instabilities during Condensation of Zeotropic and Azeotropic Refrigerant Mixtures R404A, R448A and R507A in Minichannels," Energies, MDPI, vol. 15(5), pages 1-24, February.
    9. Andrii Radchenko & Mykola Radchenko & Dariusz Mikielewicz & Anatoliy Pavlenko & Roman Radchenko & Serhiy Forduy, 2022. "Energy Saving in Trigeneration Plant for Food Industries," Energies, MDPI, vol. 15(3), pages 1-14, February.
    10. Zongming Yang & Victoria Kornienko & Mykola Radchenko & Andrii Radchenko & Roman Radchenko, 2022. "Research of Exhaust Gas Boiler Heat Exchange Surfaces with Reduced Corrosion When Water-Fuel Emulsion Combustion," Sustainability, MDPI, vol. 14(19), pages 1-21, September.
    11. Zongming Yang & Roman Radchenko & Mykola Radchenko & Andrii Radchenko & Victoria Kornienko, 2022. "Cooling Potential of Ship Engine Intake Air Cooling and Its Realization on the Route Line," Sustainability, MDPI, vol. 14(22), pages 1-15, November.
    12. Andrii Radchenko & Eugeniy Trushliakov & Krzysztof Kosowski & Dariusz Mikielewicz & Mykola Radchenko, 2020. "Innovative Turbine Intake Air Cooling Systems and Their Rational Designing," Energies, MDPI, vol. 13(23), pages 1-22, November.
    13. Bai, Zhang & Liu, Qibin & Gong, Liang & Lei, Jing, 2019. "Application of a mid-/low-temperature solar thermochemical technology in the distributed energy system with cooling, heating and power production," Applied Energy, Elsevier, vol. 253(C), pages 1-1.
    14. Freschi, F. & Giaccone, L. & Lazzeroni, P. & Repetto, M., 2013. "Economic and environmental analysis of a trigeneration system for food-industry: A case study," Applied Energy, Elsevier, vol. 107(C), pages 157-172.
    15. Chen, Guangming & Ierin, Volodymyr & Volovyk, Oleksii & Shestopalov, Kostyantyn, 2019. "An improved cascade mechanical compression–ejector cooling cycle," Energy, Elsevier, vol. 170(C), pages 459-470.
    16. Zidong Yu & Serhii Shevchenko & Mykola Radchenko & Oleksandr Shevchenko & Andrii Radchenko, 2022. "Methodology of Designing Sealing Systems for Highly Loaded Rotary Machines," Sustainability, MDPI, vol. 14(23), pages 1-17, November.
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    Cited by:

    1. Serhiy Serbin & Mykola Radchenko & Anatoliy Pavlenko & Kateryna Burunsuz & Andrii Radchenko & Daifen Chen, 2023. "Improving Ecological Efficiency of Gas Turbine Power System by Combusting Hydrogen and Hydrogen-Natural Gas Mixtures," Energies, MDPI, vol. 16(9), pages 1-23, April.

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