Online from: 2012
Subject Area: Built Environment
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|Title:||Network of buildings’ impact on indoor thermal performance|
|Author(s):||Anna Laura Pisello, (Department of Industrial Engineering, University of Perugia, Perugia, Italy), Xiaoqi Xu, (Department of Civil Engineering and Engineering Mechanics, Columbia University, New York, New York, USA), John E. Taylor, (Charles E. Via, Jr Department of Civil and Environmental Engineering, Virginia Tech, Blacksburg, Virginia, USA), Franco Cotana, (Department of Industrial Engineering, University of Perugia, Perugia, Italy)|
|Citation:||Anna Laura Pisello, Xiaoqi Xu, John E. Taylor, Franco Cotana, (2012) "Network of buildings’ impact on indoor thermal performance", Smart and Sustainable Built Environment, Vol. 1 Iss: 1, pp.73 - 86|
|Keywords:||Buildings, Dynamic simulation, Indoor operative temperature, Indoor thermal behaviour, Network of buildings, Thermal testing, United States of America|
|Article type:||Research paper|
|DOI:||10.1108/20466091211227061 (Permanent URL)|
|Publisher:||Emerald Group Publishing Limited|
|Acknowledgements:||This material is based in part upon work supported by the National Science Foundation under Grant No. 1142379. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation. The authors’ acknowledgements are due to H2CU (Honors Center of Italian Universities) for supporting the international cooperation among the authors.|
Purpose – The development of strategies for energy efficiency optimization in buildings has become a fundamental way to reduce buildings’ environmental impact because the amount of energy consumed by buildings is responsible for one-third of total global energy consumption. The purpose of this research is to evaluate the performance of buildings in terms of their indoor operative temperature dynamics considering the impact of other neighbouring buildings. The goal of the paper is to verify whether close spatial relationships of buildings and urban morphology within a local network of buildings could cause a considerable effect on indoor thermal behaviour.
Design/methodology/approach – The authors simulated buildings in an existing city block in Albany, New York, USA. The block consisted of six single-family houses.
Findings – The results demonstrate that buildings mutually impact the indoor thermal behaviour of other buildings in the network with indoor operative temperature differences of over 20 percent in summer and over 40 percent in winter for the test case examined. The research also compares this result with improvements in indoor operative temperature achieved through traditional envelope improvements. It was found that during the summer, certain envelope improvement strategies have nearly the same impact in terms of indoor thermal behaviour. During winter, the presence of neighbouring buildings causes a variation that is more than double the value of the effect caused by a typical envelope modification.
Originality/value – It is concluded that this mutual impact on indoor operative temperature across spatially proximal buildings should be included in dynamic analyses of buildings. Future research should examine the effect of these indoor operative temperature deviations on the energy performance predictions of buildings in urban and quasi-urban settings.
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