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Heating Performances of a Large-Scale Factory Evaluated through Thermal Comfort and Building Energy Consumption

Author

Listed:
  • Daehyun Kim

    (Department of Mechanical and Information Engineering, University of Seoul, Seoul 02504, Korea
    Co-first authors.)

  • Hyunmuk Lim

    (Department of Mechanical and Information Engineering, University of Seoul, Seoul 02504, Korea
    Co-first authors.)

  • Jongmin Moon

    (Department of Mechanical and Information Engineering, University of Seoul, Seoul 02504, Korea
    Siemens Digital Industries Software, Seoul 06292, Korea)

  • Jinsoo Park

    (Department of Mechanical and Information Engineering, University of Seoul, Seoul 02504, Korea)

  • Gwanghoon Rhee

    (Department of Mechanical and Information Engineering, University of Seoul, Seoul 02504, Korea)

Abstract

Workshops with a large area and a high ceiling height without compartments, such as large-scale assembly factories, have an uneven thermal comfort during heating, making it difficult to establish an effective heating strategy. In this study, we evaluate the heating performance of a large-scale factory based on thermal comfort and energy flow and discuss effective heating methods. In addition, an analysis of the heating performance of a large-scale factory is attempted for the first time. To analyze the heating performance, computational fluid dynamics (CFD) and building energy simulation (BES) were used to confirm thermal comfort distribution and energy flow in a large-scale factory. Temperature distribution and thermal comfort were evaluated through CFD, and the temperature of a large-scale assembly factory was compared with experimental data. Based on the CFD results, the current heating level of large factories was predicted to be 15.4 °C, and the ADPI rev was 70%. Moreover, the BES results show that the energy losses due to forced ventilation and the inflow of outside air contributed 35.5% and 27.8%, respectively. The heating strategy proposed in this study could improve thermal comfort by 79% compared to the same energy consumption. Therefore, to improve the heating performance compared to the heating energy consumption of large-scale factory, the imbalance in thermal comfort caused by the inflow of outside air must be resolved.

Suggested Citation

  • Daehyun Kim & Hyunmuk Lim & Jongmin Moon & Jinsoo Park & Gwanghoon Rhee, 2021. "Heating Performances of a Large-Scale Factory Evaluated through Thermal Comfort and Building Energy Consumption," Energies, MDPI, vol. 14(18), pages 1-16, September.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:18:p:5617-:d:630913
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    References listed on IDEAS

    as
    1. Alibabaei, Nima & Fung, Alan S. & Raahemifar, Kaamran & Moghimi, Arash, 2017. "Effects of intelligent strategy planning models on residential HVAC system energy demand and cost during the heating and cooling seasons," Applied Energy, Elsevier, vol. 185(P1), pages 29-43.
    2. Yang, Liu & Yan, Haiyan & Lam, Joseph C., 2014. "Thermal comfort and building energy consumption implications – A review," Applied Energy, Elsevier, vol. 115(C), pages 164-173.
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