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Design and Energy Performance of a Buoyancy Driven Exterior Shading Device for Building Application in Taiwan

Author

Listed:
  • Kuo-Tsang Huang

    (Department of Bioenvironmental Systems Engineering, National Taiwan University, No. 1, Sec. 4, Roosevelt Rd., Taipei 10617, Taiwan)

  • Kevin Fong-Rey Liu

    (Department of Safety, Health and Environmental Engineering, Ming Chi University of Technology, No. 84 Gungjuan Rd., Taishan District, New Taipei City 24301, Taiwan)

  • Han-Hsi Liang

    (Department of Architecture, National United University, No. 1, Lien-Da, Miaoli 36003, Taiwan)

Abstract

Traditional dynamic shading systems are usually driven by electricity for continuously controlling the angle of blind slats to minimize the indoor solar heat gain over times. This paper proposed a novel design of buoyancy driven dynamic shading system, using only minimum amount of electricity. The energy performance and the improved thermal comfort induced by the system were simulated by EnergyPlus for a typical office space under the context of Taiwanese climate. The design processes are composed of three parts: an alterable angle of blind slats that raises the energy performance to be suitable for every orientation, the buoyancy driven transmission mechanism, and a humanized controller that ensures its convenience. The environmental friendly design aspects and control mechanisms to fulfill demands for manufacturing, assembling, maintenance and recycling, etc. , were also presented as readily for building application. Besides, the effectiveness of cooling energy saving and thermal comfort enhancing were compared against the cases without exterior blinds and with traditional fixed blinds installed. The results show that the cooling energy is drastically reduced over times and the blind system is effectively enhancing the indoor thermal comfort.

Suggested Citation

  • Kuo-Tsang Huang & Kevin Fong-Rey Liu & Han-Hsi Liang, 2015. "Design and Energy Performance of a Buoyancy Driven Exterior Shading Device for Building Application in Taiwan," Energies, MDPI, vol. 8(4), pages 1-23, March.
    • Handle: RePEc:gam:jeners:v:8:y:2015:i:4:p:2358-2380:d:47276
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    References listed on IDEAS

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    1. Sigrid Adriaenssens & Landolf Rhode-Barbarigos & Axel Kilian & Olivier Baverel & Victor Charpentier & Matthew Horner & Denisa Buzatu, 2014. "Dialectic Form Finding of Passive and Adaptive Shading Enclosures," Energies, MDPI, vol. 7(8), pages 1-20, August.
    2. Cristina Carletti & Fabio Sciurpi & Leone Pierangioli, 2014. "The Energy Upgrading of Existing Buildings: Window and Shading Device Typologies for Energy Efficiency Refurbishment," Sustainability, MDPI, vol. 6(8), pages 1-24, August.
    3. Datta, Gouri, 2001. "Effect of fixed horizontal louver shading devices on thermal perfomance of building by TRNSYS simulation," Renewable Energy, Elsevier, vol. 23(3), pages 497-507.
    4. Li, Danny H.W. & Wong, S.L., 2007. "Daylighting and energy implications due to shading effects from nearby buildings," Applied Energy, Elsevier, vol. 84(12), pages 1199-1209, December.
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    Cited by:

    1. Simona Moretti & Alvaro Marucci, 2019. "A Photovoltaic Greenhouse with Passive Variation in Shading by Fixed Horizontal PV Panels," Energies, MDPI, vol. 12(17), pages 1-18, August.
    2. Ángel Gómez-Moreno & Pedro José Casanova-Peláez & José Manuel Palomar-Carnicero & Fernando Cruz-Peragón, 2016. "Modeling and Experimental Validation of a Low-Cost Radiation Sensor Based on the Photovoltaic Effect for Building Applications," Energies, MDPI, vol. 9(11), pages 1-16, November.
    3. Ahmed M. Abdel-Ghany & Pietro Picuno & Ibrahim Al-Helal & Abdullah Alsadon & Abdullah Ibrahim & Mohamed Shady, 2015. "Radiometric Characterization, Solar and Thermal Radiation in a Greenhouse as Affected by Shading Configuration in an Arid Climate," Energies, MDPI, vol. 8(12), pages 1-10, December.

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