Influence of Roller Blinds Shading Strategy on West and South Facing Buildings

Tzu-Yang Hu, Chun-Kuei Chen, Feng-Yi Lin and Ta-Hui Lin ()
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Tzu-Yang Hu: Department of Mechanical Engineering, National Cheng Kung University, Tainan 70101, Taiwan
Chun-Kuei Chen: Research Center for Energy Technology and Strategy, National Cheng Kung University, Tainan 70101, Taiwan
Feng-Yi Lin: Green Energy and Environment Research Laboratories, Industrial Technology Research Institute, 195, Sec. 4, Chung Hsing Rd., Chutung, Hsinchu 310401, Taiwan
Ta-Hui Lin: Department of Mechanical Engineering, National Cheng Kung University, Tainan 70101, Taiwan

Energies, 2023, vol. 16, issue 2, 1-17

Abstract: This study investigates the impact of roller blinds as an energy-saving strategy in a subtropical climate. Lighting control experiments were performed on west-facing and south-facing windows in the Subtropical Performance-Testbed for Innovative eNergy Research in Buildings Laboratory (SPINLab). This study accepts sunlight below 8000 lux and requires the indoor lighting of at least a reading of 500 lux. For the west-facing window experiment, the curtain energy-saving strategy implemented in this study resulted in 10% less energy consumption for air-conditioning and saved 90% of the lighting power consumption of the west facing window building. For the south-facing window experiment, we found that sunlight can fully supplement the lighting without adjusting the roller blinds because the window opening is different from the sunlight direction. In addition, the significant heat flux difference between the west-facing and south-facing windows experiments is also reflected in the energy consumption of the air conditioners.

Keywords: building energy efficiency strategies; energy efficient buildings; roller blinds; air conditioning energy saving (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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