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Author:

Sun, Yuying (Sun, Yuying.) | Li, Yunhe (Li, Yunhe.) | Xu, Wenjing (Xu, Wenjing.) | Wang, Wei (Wang, Wei.) (Scholars:王伟) | Wei, Wenzhe (Wei, Wenzhe.) | Zhang, Chunxiao (Zhang, Chunxiao.)

Indexed by:

EI Scopus SCIE

Abstract:

Split-pane electrochromic (EC) windows enable the control of glare and the effective utilization of sunlight by adjusting the color of individual window panes. However, existing EC control methods are often limited to specific cases or require extensive simulation work, resulting in a deficiency of generic control approaches. To solve this issue, this paper proposed a novel approach to EC window zoning control based on glare prediction. This method evaluated real-time discomfort glare for each EC window pane and effectively adjusted the tinting state of the split panes to mitigate glare. A typical office setting in Beijing was selected to simulate the impact of utilizing this method on the light environment and energy conservation. The simulation results demonstrate that this approach could effectively keep the discomfort glare probability (DGP) below 0.4, which belongs to perceptible glare. Compared to EC whole window control, it reduced the tinting area multiplier hours by 63.64%-71.43%, managed UDI values within the range of 40%-90%, and reduced lighting energy consumption by over 40.98%. The results confirmed the accuracy of the proposed method in glare control, the improvement of the lighting environment, and the significant reduction in lighting energy consumption, enhancing its substantial energy-saving potential.

Keyword:

Electrochromic window Visual environment Glare predictive control strategy Energy saving

Author Community:

  • [ 1 ] [Sun, Yuying]Beijing Univ Technol, Fac Architecture Civil & Transportat Engn, 100 Pingleyuan Rd, Beijing 100124, Peoples R China
  • [ 2 ] [Li, Yunhe]Beijing Univ Technol, Fac Architecture Civil & Transportat Engn, 100 Pingleyuan Rd, Beijing 100124, Peoples R China
  • [ 3 ] [Wang, Wei]Beijing Univ Technol, Fac Architecture Civil & Transportat Engn, 100 Pingleyuan Rd, Beijing 100124, Peoples R China
  • [ 4 ] [Wei, Wenzhe]Beijing Univ Technol, Fac Architecture Civil & Transportat Engn, 100 Pingleyuan Rd, Beijing 100124, Peoples R China
  • [ 5 ] [Sun, Yuying]Beijing Univ Technol, Beijing Key Lab Green Built Environm & Energy Effi, Beijing, Peoples R China
  • [ 6 ] [Li, Yunhe]Beijing Univ Technol, Beijing Key Lab Green Built Environm & Energy Effi, Beijing, Peoples R China
  • [ 7 ] [Wang, Wei]Beijing Univ Technol, Beijing Key Lab Green Built Environm & Energy Effi, Beijing, Peoples R China
  • [ 8 ] [Wei, Wenzhe]Beijing Univ Technol, Beijing Key Lab Green Built Environm & Energy Effi, Beijing, Peoples R China
  • [ 9 ] [Xu, Wenjing]Qingdao Urban Architectural Design Inst Co Ltd, 247 Liaoning Rd, Qingdao 266000, Peoples R China
  • [ 10 ] [Wang, Wei]Beijing Inst Petrochem Technol, 19 Qingyuan Rd, Beijing 102627, Peoples R China
  • [ 11 ] [Zhang, Chunxiao]Henan Univ Sci & Technol, Inst Bldg Energy & Thermal Sci, Luoyang 471023, Peoples R China

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Source :

RENEWABLE ENERGY

ISSN: 0960-1481

Year: 2023

Volume: 218

8 . 7 0 0

JCR@2022

ESI Discipline: ENGINEERING;

ESI HC Threshold:19

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 10

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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