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Cooling Capacity and Energy Performance of Open-Type Ceiling Radiant Cooling Panel System with Air Circulators

Author

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  • Mi-Su Shin

    (Department of Architectural Engineering, Pukyong National University, Busan 48513, Korea)

  • Ji-Su Choi

    (Division of Architectural and Fire Protection Engineering, Graduate School, Pukyong National University, Busan 48513, Korea)

  • Kyu-Nam Rhee

    (Department of Architectural Engineering, Pukyong National University, Busan 48513, Korea)

Abstract

Ceiling radiant cooling panel (CRCP) systems are being increasingly applied to commercial buildings due to their high thermal comfort level and energy efficiency. It is recommended that CRCP systems should be operated at a relatively high chilled water temperature to prevent condensation and save energy. However, even though a high chilled water temperature is effective for achieving condensation-free operation and high chiller efficiency, it can lead to insufficient cooling capacity. In this study, a method of enhancing the cooling capacity of CRCP systems was investigated through mock-up chamber tests. The open-type installation of CRCPs and the combination of air circulators were used to enhance the cooling capacity and energy performance of CRCP systems. Experimental results showed that compared to a conventional CRCP system, the cooling capacity of an open-type CRCP system with air circulators increased by up to 26.2%, and its cooling energy consumption decreased by up to 26.4%. Additionally, the open-type CRCP system with air circulators reduced the difference between the room air temperature and mean chilled water temperature. Thus, the proposed system can operate at a relatively high chilled water temperature, which is effective for reducing condensation risk and cooling energy consumption.

Suggested Citation

  • Mi-Su Shin & Ji-Su Choi & Kyu-Nam Rhee, 2020. "Cooling Capacity and Energy Performance of Open-Type Ceiling Radiant Cooling Panel System with Air Circulators," Energies, MDPI, vol. 14(1), pages 1-15, December.
    • Handle: RePEc:gam:jeners:v:14:y:2020:i:1:p:5-:d:466222
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    References listed on IDEAS

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    1. Sun-Hye Mun & Younghoon Kwak & Yeonjung Kim & Jung-Ho Huh, 2019. "A Comprehensive Thermal Comfort Analysis of the Cooling Effect of the Stand Fan Using Questionnaires and a Thermal Manikin," Sustainability, MDPI, vol. 11(18), pages 1-18, September.
    2. Sang-Hoon Park & Dong-Woo Kim & Goo-Sang Joe & Seong-Ryong Ryu & Myoung-Souk Yeo & Kwang-Woo Kim, 2020. "Establishing Boundary Conditions Considering Influence Factors of the Room Equipped with a Ceiling Radiant Cooling Panel," Energies, MDPI, vol. 13(7), pages 1-21, April.
    3. Marcel Bruelisauer & Kian Wee Chen & Rupesh Iyengar & Hansjürg Leibundgut & Cheng Li & Mo Li & Matthias Mast & Forrest Meggers & Clayton Miller & Dino Rossi & Esmail M. Saber & Kwok Wai Tham & Arno Sc, 2013. "BubbleZERO—Design, Construction and Operation of a Transportable Research Laboratory for Low Exergy Building System Evaluation in the Tropics," Energies, MDPI, vol. 6(9), pages 1-21, September.
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    Cited by:

    1. Karl-Villem Võsa & Andrea Ferrantelli & Jarek Kurnitski, 2022. "Cooling Thermal Comfort and Efficiency Parameters of Ceiling Panels, Underfloor Cooling, Fan-Assisted Radiators, and Fan Coil," Energies, MDPI, vol. 15(11), pages 1-19, June.

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