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Author:

Mendis, Thushini (Mendis, Thushini.) | Huang, Zhaojian (Huang, Zhaojian.) | Xu, Shen (Xu, Shen.) | Zhang, Weirong (Zhang, Weirong.)

Indexed by:

SSCI EI Scopus SCIE

Abstract:

Building integrated photovoltaics (BIPV) are becoming a viable solution for clean on-site energy production and utilisation. In tropical climates, although rooftops are ideal for photovoltaic (PV) module integration, the available area may be insufficient to meet building energy demand due to the increase in high-rise urban buildings, causing a requirement for the utilisation of facades. However, the high solar elevation angle means that facades are unfavourably oriented towards receiving incident irradiation. Also, the issue exists of high solar heat gains into built spaces. This paper evaluates the utilisation of horizontally inclined PV integrated shading strategies to combat these issues based on the urban context of Colombo, Sri Lanka. Various strategies are evaluated in terms of their inclination angles and the distance between installations, and urban blocks in Colombo are analysed in terms of how they affect the solar potential in the urban canyon. The results are analysed in terms of economic potential to determine the optimised installation strategies based on urban block type. The results suggest that installations inclined at 30 at a distance-to-length ratio of 4 provide the greatest economic viability in this context. (C) 2020 Elsevier Ltd. All rights reserved.

Keyword:

Building integrated photovoltaics Photovoltaic integrated shading systems Optimisation Urban density Facades Sri Lanka

Author Community:

  • [ 1 ] [Mendis, Thushini]Huazhong Univ Sci & Technol, Sch Architecture & Urban Planning, 1037 Luoyu Rd, Wuhan, Hubei, Peoples R China
  • [ 2 ] [Huang, Zhaojian]Huazhong Univ Sci & Technol, Sch Architecture & Urban Planning, 1037 Luoyu Rd, Wuhan, Hubei, Peoples R China
  • [ 3 ] [Xu, Shen]Huazhong Univ Sci & Technol, Sch Architecture & Urban Planning, 1037 Luoyu Rd, Wuhan, Hubei, Peoples R China
  • [ 4 ] [Mendis, Thushini]Gen Sir John Kotelawala Def Univ, Colombo, Sri Lanka
  • [ 5 ] [Xu, Shen]Hubei New Technol Res Ctr Urbanizat, Wuhan, Peoples R China
  • [ 6 ] [Xu, Shen]South China Univ Technol, State Key Lab Subtrop Bldg Sci, Guangzhou, Peoples R China
  • [ 7 ] [Huang, Zhaojian]Xiamen Urban Planning & Design Inst, Xiamen, Peoples R China
  • [ 8 ] [Zhang, Weirong]Beijing Univ Technol, Coll Architecture & Civil Engn, Beijing, Peoples R China

Reprint Author's Address:

  • [Xu, Shen]Huazhong Univ Sci & Technol, Sch Architecture & Urban Planning, 1037 Luoyu Rd, Wuhan, Hubei, Peoples R China

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Related Keywords:

Source :

ENERGY

ISSN: 0360-5442

Year: 2020

Volume: 194

9 . 0 0 0

JCR@2022

ESI Discipline: ENGINEERING;

ESI HC Threshold:115

Cited Count:

WoS CC Cited Count: 37

SCOPUS Cited Count: 41

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 13

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