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The Potential and Utilization of Unused Energy Sources for Large-Scale Horticulture Facility Applications under Korean Climatic Conditions

Author

Listed:
  • In Tak Hyun

    (Department of Architectural Engineering, Hanbat National University, San 16-1, Dukmyung-Dong, Yuseong-Gu, Daejeon 305-719, Korea)

  • Jae Ho Lee

    (Department of Architectural Engineering, Hanbat National University, San 16-1, Dukmyung-Dong, Yuseong-Gu, Daejeon 305-719, Korea)

  • Yeo Beom Yoon

    (Department of Architectural Engineering, Hanbat National University, San 16-1, Dukmyung-Dong, Yuseong-Gu, Daejeon 305-719, Korea)

  • Kwang Ho Lee

    (Department of Architectural Engineering, Hanbat National University, San 16-1, Dukmyung-Dong, Yuseong-Gu, Daejeon 305-719, Korea)

  • Yujin Nam

    (Department of Architectural Engineering, Cheongju University, 298, Daesungro, Sangdang-Gu, Cheongju 360-764, Korea)

Abstract

As the use of fossil fuel has increased, not only in construction, but also in agriculture due to the drastic industrial development in recent times, the problems of heating costs and global warming are getting worse. Therefore, introduction of more reliable and environmentally-friendly alternative energy sources has become urgent and the same trend is found in large-scale horticulture facilities. In this study, among many alternative energy sources, we investigated the reserves and the potential of various different unused energy sources which have infinite potential, but are nowadays wasted due to limitations in their utilization. In addition, we utilized available unused energy as a heat source for a heat pump in a large-scale horticulture facility and analyzed its feasibility through EnergyPlus simulation modeling. Accordingly, the discharge flow rate from the Fan Coil Unit (FCU) in the horticulture facility, the discharge air temperature, and the return temperature were analyzed. The performance and heat consumption of each heat source were compared with those of conventional boilers. The result showed that the power load of the heat pump was decreased and thus the heat efficiency was increased as the temperature of the heat source was increased. Among the analyzed heat sources, power plant waste heat which had the highest heat source temperature consumed the least electric energy and showed the highest efficiency.

Suggested Citation

  • In Tak Hyun & Jae Ho Lee & Yeo Beom Yoon & Kwang Ho Lee & Yujin Nam, 2014. "The Potential and Utilization of Unused Energy Sources for Large-Scale Horticulture Facility Applications under Korean Climatic Conditions," Energies, MDPI, vol. 7(8), pages 1-21, July.
    • Handle: RePEc:gam:jeners:v:7:y:2014:i:8:p:4781-4801:d:38531
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    Citations

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    Cited by:

    1. Sabina Kordana-Obuch & Mariusz Starzec, 2022. "Horizontal Shower Heat Exchanger as an Effective Domestic Hot Water Heating Alternative," Energies, MDPI, vol. 15(13), pages 1-22, July.
    2. Min Gyung Yu & Yujin Nam, 2016. "Feasibility Assessment of Using Power Plant Waste Heat in Large Scale Horticulture Facility Energy Supply Systems," Energies, MDPI, vol. 9(2), pages 1-16, February.
    3. Jae Ho Lee & In Tak Hyun & Yeo Beom Yoon & Kwang Ho Lee & Yu Jin Nam, 2015. "Energetic and Economic Assessment of Pipe Network Effects on Unused Energy Source System Performance in Large-Scale Horticulture Facilities," Energies, MDPI, vol. 8(5), pages 1-23, April.

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