Solar energy systems installed on Chinese-style buildings

Johnston, David (2007) Solar energy systems installed on Chinese-style buildings. Energy and Buildings, 39 (4). pp. 385-392. ISSN 0378-7788

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A building-integrated solar energy system is proposed, with the panels installed such that the overall morphology resembles that of a traditional Chinese building, i.e., roofing (eaves) at each storey, in addition to that on top of the building. The panels include photovoltaic cells and solar thermal collectors, thus producing electric power as well as heating. The particular morphology provides a number of advantages, in terms of solar energy collection and shading, and their matching to temporal and locational variations in energy demand. These are in addition to the advantages of solar energy generally. Solar heating and photovoltaic power generation were calculated for a number of locations. These were compared with the space heating and air conditioning demands, respectively. The requirement for supplementary energy was calculated. Equivalent calculations for similar buildings without solar panels allowed the saving in non-solar energy to be estimated. Calculations were made for Beijing in winter, as an example of high space heating demand, for Hong Kong in summer, as an example of high air conditioning demand, and for Shanghai, as an intermediate example. These showed potential savings of up to 15% in space heating, and up to 55% in air conditioning energy demand.

Item Type: Article
Uncontrolled Keywords: Solar buildings, Solar energy, Solar thermal energy, Photovoltaic power generation
Subjects: H800 Chemical, Process and Energy Engineering
K200 Building
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User: EPrint Services
Date Deposited: 04 Mar 2010 09:16
Last Modified: 12 Oct 2019 19:06

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