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Author:

Wen, Shikang (Wen, Shikang.) | Hu, Xiao (Hu, Xiao.) | Hua, Guanjun (Hua, Guanjun.) | Xue, Peng (Xue, Peng.) | Lai, Dayi (Lai, Dayi.)

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EI

Abstract:

This study presents a method for selecting and designing shading strategies that reduce glare and maintain satisfactory daylight levels in buildings. The proposed method employs a multi-objective genetic algorithm to construct Pareto sets, using two indicators: the spatial glare autonomy (sGA), a dynamic glare evaluation indicator, and the spatial daylight vote autonomy (sDVA), based on daylight subjective vote (DSV). DSV is a daylight index developed through a field survey, which builds the relationship between horizontal illuminance levels and subjective satisfaction. The performance of four shading strategies is compared in a university library in Shanghai, namely vertical slats (Vs), perforated aluminum sheet (PAS), serrated windows with southern orientation (Sw_S), and serrated windows with northern orientation (Sw_N). The results reveal that the Sw_N strategy is most effective in reducing glare, while the Vs strategy provides a more satisfactory illuminance level. In the performance of the optimal parameter of the different shading strategies designs, the near-optimal designs for PAS, Vs, Sw_N, and Sw_S greatly reduced the complementary sGA0.35/95%, by 9%, 22%, 8%, and 8%, respectively. The proposed method can facilitate the design of an appropriate daylighting environment. © 2023 IBPSA.All rights reserved.

Keyword:

Libraries Glare Genetic algorithms Lighting

Author Community:

  • [ 1 ] [Wen, Shikang]Department of Architecture, School of Design, Shanghai Jiao Tong University, Shanghai; 200240, China
  • [ 2 ] [Hu, Xiao]Department of Architecture, School of Design, Shanghai Jiao Tong University, Shanghai; 200240, China
  • [ 3 ] [Hua, Guanjun]Department of Architecture, School of Design, Shanghai Jiao Tong University, Shanghai; 200240, China
  • [ 4 ] [Xue, Peng]Beijing Key Laboratory of Green Built Environment and Energy Efficient Technology, Beijing University of Technology, Beijing; 100124, China
  • [ 5 ] [Lai, Dayi]Department of Architecture, School of Design, Shanghai Jiao Tong University, Shanghai; 200240, China

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Source :

ISSN: 2522-2708

Year: 2023

Volume: 18

Page: 138-145

Language: English

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 6

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